Middlesex County, New Jersey
|Middlesex County, New Jersey|
Location in the state of New Jersey
New Jersey's location in the U.S.
|Named for||Historic English county of Middlesex|
|Largest city||Edison (population)
Monroe Township (area)
|• Total||322.83 sq mi (836 km2)|
|• Land||308.91 sq mi (800 km2)|
|• Water||13.91 sq mi (36 km2), 4.31%|
|• Density||2,612/sq mi (1,008.5/km²)|
|Congressional districts||6th, 12th|
Middlesex County is a county located in north-central New Jersey, United States. As of the 2010 census, its population was 809,858, making it the second-most populous county in the state. Middlesex is part of the New York metropolitan area, and its county seat is New Brunswick. The center of population of the state of New Jersey is located in Middlesex County, in East Brunswick Township, just east of the New Jersey Turnpike. The 2000 Census showed that the county ranked 63rd in the United States among the highest-income counties by median household. The Bureau of Economic Analysis ranked the county as having the 143rd-highest per capita income of all 3,113 counties in the United States (and the 10th-highest in New Jersey) as of 2009.
The county was established as of March 7, 1683, as part of the Province of East Jersey and was partitioned as of October 31, 1693, into the townships of Piscataway, Perth Amboy and Woodbridge. Somerset County was established on May 14, 1688, from portions of Middlesex County.
The county's first court met in June 1683 in Piscataway, and held session at alternating sites over the next century in Perth Amboy, Piscataway and Woodbridge before relocating permanently to New Brunswick in 1778.
According to the 2010 Census, the county had a total area of 322.83 square miles (836.1 km2), of which 308.91 square miles (800.1 km2) of it (95.7%) was land and 13.91 square miles (36.0 km2) of it (4.3%) was water. The county is named after the historic English county of Middlesex.
Bisected by the Raritan River, the county is topographically typical of Central Jersey in that it is largely flat, with minimal relief. The highest point is a hill scaled by Major Road near Route 1 in South Brunswick Township of approximately 300 feet (91 m) above sea level; the low elevation is sea level.
- Union County, New Jersey – north
- Monmouth County, New Jersey – southeast
- Mercer County, New Jersey – southwest
- Somerset County, New Jersey – northwest
- Richmond County, New York – northeast
|Historical sources: 1790-1990
1970-2010 2000 2010
* = Lost territory in previous decade.
At the 2010 United States Census, there were 809,858 people, 281,186 households, and 203,016 families residing in the county. The population density was 2,621.6 per square mile (1,012.2/km2). There were 294,800 housing units at an average density of 954.3 per square mile (368.5/km2). The racial makeup of the county was 58.60% (474,589) White, 9.69% (78,462) Black or African American, 0.34% (2,777) Native American, 21.40% (173,293) Asian, 0.03% (251) Pacific Islander, 6.99% (56,569) from other races, and 2.95% (23,917) from two or more races. Hispanics or Latinos of any race were 18.40% (148,975) of the population.
There were 281,186 households, of which 34.4% had children under the age of 18 living with them, 55.9% were married couples living together, 11.8% had a female householder with no husband present, and 27.8% were non-families. 22.5% of all households were made up of individuals, and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.8 and the average family size was 3.29.
In the county, 22.9% of the population were under the age of 18, 10.2% from 18 to 24, 28.3% from 25 to 44, 26.3% from 45 to 64, and 12.3% who were 65 years of age or older. The median age was 37.2 years. For every 100 females there were 96.4 males. For every 100 females age 18 and over, there were 94 males.
As of the 2010 Census, there were 170,070 people of Asian descent in Middlesex County accounting for 21% of the county's total population. At 61.57% of the population of Asian descent, Asian Indians account a majority of the county's Asian population or 12.93% (104,705 people) of the county's total population, more than that of all the other sub-groups combined. Middlesex County had the largest population of Asian Indians of all the counties in New Jersey. Only Santa Clara County, California (117,596) and Queens County, New York (117,550) had a larger population of Asian Indians.
Middlesex County has the largest and fastest growing population of Chinese Americans of all counties in New Jersey in places such as East Brunswick, Edison is also developing a sprawling suburban Chinatown, with other Chinese communities in Highland Park, Milltown, New Brunswick, Old Bridge, South River, and Spotswood.
As of the 2000 United States Census there were 750,162 people, 265,815 households, and 190,855 families residing in the county. The population density was 2,422 people per square mile (935/km²). There were 273,637 housing units at an average density of 884 per square mile (341/km²). The racial makeup of the county was 68.42% White, 9.13% Black or African American, 0.20% Native American, 13.89% Asian, 0.04% Pacific Islander, 5.71% from other races, and 2.60% from two or more races. 13.59% of the population were Hispanic or Latino of any race. Among residents listing their ancestry, 16.1% were of Italian, 13.8% Irish, 10.2% German and 9.8% Polish ancestry according to the 2000 Census. 
There were 265,815 households out of which 34.20% had children under the age of 18 living with them, 57.00% were married couples living together, 10.80% had a female householder with no husband present, and 28.20% were non-families. 22.40% of all households were made up of individuals and 8.70% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.23.
In the county the population was spread out with 23.70% under the age of 18, 9.50% from 18 to 24, 32.80% from 25 to 44, 21.70% from 45 to 64, and 12.30% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 96.40 males. For every 100 females age 18 and over, there were 93.50 males.
The median income for a household in the county was $61,446, and the median income for a family was $70,749. Males had a median income of $49,683 versus $35,054 for females. The per capita income for the county was $26,535. About 4.2% of families and 6.6% of the population were below the poverty line, including 7.2% of those under age 18 and 6.0% of those age 65 or over.
Middlesex County is governed by a Board of Chosen Freeholders, whose seven members are elected at-large on a partisan basis to serve three-year terms of office on a staggered basis, with either two or three seats coming up for election each year as part of the November general election. At an annual reorganization meeting held in January, the board selects from among its members a Freeholder Director and Deputy Director. The Freeholder Director appoints Freeholders to serve as Chairpersons and members on the various committees which oversee county departments. Middlesex County also elects three "constitutional officers" whose existence is laid out in the New Jersey Constitution. The County Clerk and Surrogate serve five year terms and the Sheriff serves a three year term of office.
As of 2015[update], Middlesex County's Freeholders (with party affiliation, term-end year, residence and committee chairmanship listed in parentheses) are Freeholder Director Ronald G. Rios (D, term ends December 31, 2015, Carteret; Ex-officio on all committees), Freeholder Deputy Director Carol Barrett Bellante (D, 2017; Monmouth Junction, South Brunswick Township; County Administration), Kenneth Armwood (D, 2016, Piscataway; Business Development and Education), Charles Kenny ( D, 2016, Woodbridge Township; Finance), H. James Polos (D, 2015, Highland Park; Public Safety and Health), Charles E. Tomaro (D, 2017, Edison; Infrastructure Management) and Blanquita B. Valenti (D, 2016, New Brunswick; Community Services).
Constitutional officers are County Clerk Elaine M. Flynn (D, Old Bridge Township), Sheriff Mildred S. Scott (D, 2016, Piscataway) and Surrogate Kevin J. Hoagland (D, 2017; New Brunswick).
The 6th and 12th Congressional Districts cover the county. New Jersey's Sixth Congressional District is represented by Frank Pallone (D, Long Branch). New Jersey's Twelfth Congressional District is represented by Bonnie Watson Coleman (D, Ewing Township).
The county is part of the 12th, 14th, 16th, 17th, 18th, 19th and 22nd Districts in the New Jersey Legislature. For the 2014-2015 Session, the 12th District of the New Jersey Legislature is represented in the State Senate by Samuel D. Thompson (R, Old Bridge Township) and in the General Assembly by Robert D. Clifton (R, Matawan) and Ronald S. Dancer (R, Plumsted Township). For the 2014-2015 Session, the 14th District of the New Jersey Legislature is represented in the State Senate by Linda R. Greenstein (D, Plainsboro Township) and in the General Assembly by Daniel R. Benson (D, Hamilton Township, Mercer County) and Wayne DeAngelo (D, Hamilton Township). For the 2014-2015 Session, the 16th District of the New Jersey Legislature is represented in the State Senate by Christopher Bateman (R, Somerville) and in the General Assembly by Jack Ciattarelli (R, Hillsborough Township) and Donna Simon (R, Readington Township).  For the 2014-2015 Session, the 17th District of the New Jersey Legislature is represented in the State Senate by Bob Smith (D, Piscataway) and in the General Assembly by Joseph Danielsen (D, Franklin Township) and Joseph V. Egan (D, New Brunswick) For the 2014-15 Session, the 18th District of the New Jersey Legislature is represented in the State Senate by Peter J. Barnes III (D, Edison) and in the General Assembly by Patrick J. Diegnan (D, South Plainfield) and Nancy Pinkin (D, East Brunswick). For the 2014-2015 Session, the 19th District of the New Jersey Legislature is represented in the State Senate by Joseph Vitale (D, Woodbridge Township) and in the General Assembly by Craig Coughlin (D, Woodbridge Township) and John Wisniewski (D, Sayreville). For the 2014-2015 Session, the 22nd Legislative District of the New Jersey Legislature is represented in the State Senate by Nicholas Scutari (D, Linden) and in the General Assembly by Jerry Green (D, Plainfield) and Linda Stender (D, Scotch Plains).
As of March 23, 2011, there were a total of 455,044 registered voters in Middlesex County, of which 169,718 (37.3%) were registered as Democrats, 57,711 (12.7%) were registered as Republicans and 227,355 (50.0%) were registered as Unaffiliated. There were 260 voters registered to other parties.
After being a Republican stronghold in the late 19th and early 20th centuries, Middlesex County leaned Democratic for much of the 20th century beginning with Franklin Roosevelt's victory in the county in 1932. Throughout the twentieth century, in close elections the county would always vote Democratic, sometimes by solid margins, but the county was willing to flip Republican in the midst of nationwide Republican landslides in the 1970s and 80s. However, since the 1990s, Middlesex County has become a Democratic stronghold at the national level, mirroring the state's heavy swing to the Democrats. Democrat Bill Clinton carried the county in 1992 and it has remained reliably blue in every election since. In the nationally close 2000 election, Democrat Al Gore won the county decisively with 59.88% of the vote to Republican George W. Bush's 36.14%, a Democratic victory margin of 23.74%, while winning the state overall by a 56-40 margin. In the 2004 U.S. Presidential election, many of the suburban counties surrounding New York City, including Middlesex County, swung Republican in response to the 9/11 terrorist attacks, but Democrat John Kerry still carried the county comfortably by a 13.57% margin over George W. Bush, Kerry taking 56.33% of the vote to Bush's 42.76%, while Kerry carried the state overall by 6.68% over Bush. In 2008, Barack Obama carried Middlesex County by a much larger 21.78% margin over John McCain, Obama taking 60.21% of the vote to McCain's 38.43%, while Obama won New Jersey overall by 15.53% over McCain. In 2012, Obama won an even more commanding victory in the county, receiving 63.24% of the vote to Republican Mitt Romney's 35.61%, a Democratic victory margin of 27.63%, while carrying New Jersey overall by 17.79%. Like much of the New York City metro area, Middlesex County was one of the few parts of the country to actually swing even harder in Obama's favor in 2012 compared to 2008, even as he lost ground nationally, indicating a long-term trend toward Democratic dominance in Middlesex County.
However, in local and state level elections, Middlesex County is still somewhat competitive. While in the 2005 Gubernatorial Election, the county went to Democrat Jon Corzine by a 56-39 margin, in the 2009 Gubernatorial Election, Republican Chris Christie received 47% of the vote, defeating incumbent Democrat Corzine, who received around 45%.
Middlesex County hosts various county routes, state routes, US Routes, Interstates and toll highways. As of May 2010[update], the county had a total of 2,584.38 miles (4,159.16 km) of roadways, of which 2,118.08 miles (3,408.72 km) were maintained by the municipality, 292.16 miles (470.19 km) by Middlesex County and 131.48 miles (211.60 km) by the New Jersey Department of Transportation and 42.66 miles (68.65 km) by the New Jersey Turnpike Authority.
County roads include County Route 501, County Route 514, County Route 516 (only in Old Bridge), County Route 520, County Route 522, County Route 527, County Route 529, County Route 531, County Route 535 and County Route 539.
The state routes are: Route 18, Route 26 (only in North Brunswick Township – entirely concurrent with Livingston Avenue), Route 27, Route 28, Route 32, Route 33 (only in Monroe Township), Route 34 (only in Old Bridge), Route 35, Route 91 (concurrent with Jersey Avenue in North Brunswick Township and entering New Brunswick), Route 171, Route 172 (only in New Brunswick), Route 184 and Route 440.
Middlesex County hosts a few highways/interstates as well. Middlesex County hosts the southern end of the Middlesex Freeway (Interstate 287) which then turns into Route 440 that connects to the Outerbridge Crossing. The Garden State Parkway passes through the eastern edge of the county, which features nine interchanges and the northern start/end of the split-roadways (Express & Local Lanes). The New Jersey Turnpike carries Interstate 95 through the center of the county. The Turnpike has five interchanges in Middlesex: Exit 12 in Carteret, Exit 11 in Woodbridge, Exit 10 in Edison, Exit 9 in East Brunswick Township and Exit 8A in Monroe Township.
The Turnpike Authority planned to build Route 92, which was to start near the intersection of Ridge Road & Route 1 in South Brunswick Township to Interchange 8A in Monroe Township. This plan was cancelled on December 1, 2006.
The southern end of the "dual-dual" configuration (inner car lanes and outer truck lanes) used to be one mile south of Interchange 8A at the border of Cranbury Township and Monroe Township. It was relocated to Exit 6 in Mansfield Township in Burlington County after the Turnpike widening project was completed in early November of 2014.
Middlesex County is served by New Jersey Transit for rail service and both New Jersey Transit and Coach USA for bus service. There are bus routes that serve all townships in the county. The main rail lines that serve Middlesex County are the North Jersey Coast Line, Northeast Corridor Line and Raritan Valley Line. The North Jersey Coast Line runs through the eastern part of the county. The Northeast Corridor Line runs through the northern and central part of the county. The Raritan Valley Line serves Dunellen and is accessible to other communities along the county's northern border with Union County and Somerset County .
Intercity rail service is also provided by Amtrak. The routes that runs through Middlesex County are the Acela Express, Keystone, Northeast Regional, and Vermonter services, although only the Keystone and Northeast Regional have regular stops within Middlesex County, at either New Brunswick or Metropark. Acela also occasionally stops at Metropark.
- Middlesex County College (Edison)
- Rutgers-New Brunswick (New Brunswick, Piscataway)
- University of Medicine and Dentistry of New Jersey (New Brunswick)
- Princeton University – Forrestal Campus (Plainsboro)
- DeVry University (North Brunswick)
The county boasts capacity of more than 1,900 hospital beds among five major hospitals.
- John F. Kennedy Medical Center
- Robert Wood Johnson University Hospital
- Raritan Bay Medical Center (Old Bridge)
- Raritan Bay Medical Center (Perth Amboy)
- St. Peter's University Hospital
- University Medical Center of Princeton at Plainsboro
Major non-governmental employers in Middlesex County include the following, grouped by ranges of employees:
- 9,010: Rutgers, The State University
- 3,500 – 3,749: Bristol-Myers Squibb
- 3,000 – 3,249: Merrill Lynch & Company
- 2,750 – 2,999: Johnson & Johnson, Prudential Insurance Company, Robert Wood Johnson University Hospital, Silverline Building Products, St. Peter's University Hospital, Telcordia Technologies
- 2,500 – 2,749: JFK Medical Center, Raritan Bay Medical Center
- 2,000 – 2,249: Pathmark
- 1,750 – 1,999: Home Depot, United Parcel Service
- 1,500 – 1,749: Amerada Hess Corporation, Dow Jones & Company, Siemens AG
- 1,250 – 1,499: AT&T, BASF (formerly Engelhard)
- 1,000 – 1,249: Aetna, Fujitsu
- ?????: Canon, Japanese company specializing in imaging products.
Municipalities in Middlesex County (with 2010 Census data for population, housing units and area in square miles) are: Other, unincorporated communities in the county are listed next to their parent municipality. Most of these areas are census-designated places that have been created by the United States Census Bureau for enumeration purposes within a Township. Other communities and enclaves that exist within a municipality are marked as non-CDP next to the name.
|Cranbury Township||Township||3,857||1,371||13.40||0.15||13.25||291.2||103.5||Cranbury CDP (2,181)|
|East Brunswick Township||Township||47,512||17,367||22.27||0.57||21.70||2,189.6||800.4|
|Edison Township||Township||99,967||36,302||30.64||0.70||29.94||3,339.0||1,212.5||Bonhamtown non-CDP|
|Monroe Township||Township||39,132||18,002||42.23||0.26||41.97||932.3||428.9||Applegarth non-CDP
Clearbrook Park (2,667)
|North Brunswick Township||Township||40,742||15,045||12.27||0.27||12.00||3,396.2||1,254.1|
|Old Bridge Township||Township||65,375||24,638||40.78||2.72||38.06||1,717.7||647.3||Browntown non-CDP
Laurence Harbor (6,536)
Madison Park (7,144)
Old Bridge CDP (23,753)
|Piscataway Township||Township||56,044||17,777||19.03||0.19||18.83||2,975.5||943.8||Raritan Landing non-CDP
Society Hill (3,829)
|South Brunswick Township||Township||43,417||15,708||41.04||0.39||40.65||1,068.1||386.4||Dayton (7,063)
Kendall Park (9,339)
Monmouth Junction (2,887)
|Woodbridge Township||Township||99,585||36,124||24.51||1.29||23.21||4,290.0||1,556.2||Avenel (17,011)
Menlo Park Terrace non-CDP
Port Reading (3,728)
Woodbridge CDP (19,265)
- Donaldson Park
- Carteret Park
- Carteret Waterfront Park
- Edison Park
- Fords Park
- Johnson Park
- Medwick Park
- Merrill Park
- Raritan Bay Waterfront Park
- Roosevelt Park
- Spring Lake Park
- Thompson Park
- Warren Park
- Old Bridge Waterfront Walkway
- Alvin P. Williams Memorial Park
- Ambrose & Doty's Brooks Park
- Davidson's Mill Pond Park
- Ireland Brook Park
- Jamesburg Park Conservation Area
- John A. Phillips Open Space Preserve
- John A. Phillips Park
- Catherine Von Ohlen Park
Climate and weather
|New Brunswick, New Jersey|
|Climate chart (explanation)|
In recent years, average temperatures in the county seat of New Brunswick have ranged from a low of 22 °F (−6 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −13 °F (−25 °C) was recorded in January 1984 and a record high of 103 °F (39 °C) was recorded in July 1999. Average monthly precipitation ranged from 2.98 inches (76 mm) in February to 5.08 inches (129 mm) in July.
- Middlesex County, NJ, National Association of Counties. Accessed January 21, 2013.
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- NJ Labor Market Views, New Jersey Department of Labor and Workforce Development, March 15, 2011. Accessed October 6, 2013.
- New Jersey: 2010 - Population and Housing Unit Counts; 2010 Census of Population and Housing at the Wayback Machine (archived July 31, 2013), p. 6, CPH-2-32. United States Census Bureau, August 2012, backed up by the Internet Archive as of July 31, 2013. Accessed October 3, 2013.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
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- History of the Grand Jury, Middlesex County, New Jersey. Accessed October 1, 2013. "By June 19, 1683, the first County Court was held at Piscataway. It sat alternately in Piscataway and Woodbridge until 1688 when Perth Amboy was added as one of the three alternate sites. In 1778 New Brunswick became the most prime town in the county and at that time the Middlesex County Courts were transferred there."
- Census 2010 U.S. Gazetteer Files: New Jersey Counties at the Wayback Machine (archived June 11, 2012), United States Census Bureau. Accessed October 6, 2013.
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- Ensslin, John C.; and Sheingold, Dave. "Census: Asian Indians one of the fastest growing groups in North Jersey", The Record (Bergen County), May 29, 2011. Accessed January 22, 2013. "Middlesex County has by far the largest Indian-American population, with about 104,705 people, followed by Hudson County, with 37,236, and Bergen County, with 24,973."
- Haydon, Tom. "South Brunswick schools observe Hindu holiday, district becomes second in N.J. to close for Diwali", The Star-Ledger, October 23, 2011. Accessed January 22, 2013. "The 2010 Census counted 104,705 residents of Indian descent in Middlesex County, ranking it third among U.S. counties for that population behind Queens, N.Y., and Santa Clara, Calif."
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
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- DP-3 - Profile of Selected Economic Characteristics: 2000 from Census 2000 Summary File 3 (SF 3) - Sample Data for Middlesex County, New Jersey, United States Census Bureau. Accessed September 30, 2013.
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- Ronald G. Rios, Middlesex County, New Jersey. Accessed January 11, 2015.
- Carol Barrett Bellante, Middlesex County, New Jersey. Accessed January 11, 2015.
- Kenneth Armwood, Middlesex County, New Jersey. Accessed January 11, 2015.
- Charles Kenny, Middlesex County, New Jersey. Accessed January 11, 2015.
- H. James Polos, Middlesex County, New Jersey. Accessed January 11, 2015.
- Charles E. Tomaro, Middlesex County, New Jersey. Accessed January 11, 2015.
- Blanquita B. Valenti, Middlesex County, New Jersey. Accessed January 11, 2015.
- Elected County Officials, Middlesex County, New Jersey. Accessed January 11, 2015.
- County Clerk Elaine Flynn, Middlesex County, New Jersey. Accessed January 11, 2015.
- Sheriff Mildred S. Scott, Middlesex County, New Jersey. Accessed January 11, 2015.
- Surrogate Kevin J. Hoagland, Middlesex County, New Jersey. Accessed January 11, 2015.
- 2012 Congressional Districts by County, New Jersey Department of State Division of Elections. Accessed October 6, 2013.
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- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed January 27, 2014.
- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed January 28, 2014.
- District 14 Legislators, New Jersey Legislature. Accessed January 28, 2014.
- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed January 30, 2014.
- District 16 Legislators, New Jersey Legislature. Accessed January 30, 2014.
- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed January 30, 2014.
- District 17 Legislators, New Jersey Legislature. Accessed January 30, 2014.
- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed January 30, 2014.
- District 18 Legislators, New Jersey Legislature. Accessed January 30, 2014.
- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed January 30, 2014.
- District 19 Legislators, New Jersey Legislature. Accessed January 30, 2014.
- Legislative Roster 2014-2015 Session, New Jersey Legislature. Accessed February 6, 2014.
- District 22 Legislators, New Jersey Legislature. Accessed February 6, 2014.
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- U.S. Election Atlas
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- Middlesex County Mileage by Municipality and Jurisdiction, New Jersey Department of Transportation, May 2010. Accessed July 24, 2014.
- NJDOT breaks ground on project to completeRoute 18 extension to Interstate 287 in Piscataway; Project is designed to improve mobility and promote economic development in central New Jersey, New Jersey Department of Transportation press release, dated February 15, 2012. Accessed October 6, 2013.
- Gov. Christie, NJDOT Commissioner FoxPraise $2.3 Billion NJ Turnpike Infrastructure Investment Project, New Jersey Turnpike Authority. Accessed November 3, 2014.
- North Jersey Coast Line, New Jersey Transit. Accessed August 24, 2014.
- Northeast Corridor Line, New Jersey Transit. Accessed August 24, 2014.
- Raritan Valley Line, New Jersey Transit. Accessed August 24, 2014.
- Forrestal Campus, Princeton University. Accessed July 23, 2008.
- "About Middlesex County". Retrieved July 6, 2011.
- MAJOR EMPLOYERS LOCATED IN MIDDLESEX COUNTY, NEW JERSEY, Middlesex County Department of Economic Development, March 2006. Accessed July 5, 2007.
- GCT-PH1: Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place from the 2010 Census Summary File 1 for Middlesex County, New Jersey, United States Census Bureau. Accessed January 19, 2014.
- "Monthly Averages for New Brunswick, New Jersey". The Weather Channel. Retrieved October 13, 2012.
|Wikimedia Commons has media related to Middlesex County, New Jersey.|
- Middlesex County official website Retrieved July 1, 2008.
- "Middlesex: III. A central county of New Jersey". The American Cyclopædia. 1879.
||Somerset County||Union County||Richmond County, New York|
|Mercer County||Monmouth County|