|— Town —|
|• Type||Open town meeting|
|• Total||27.6 sq mi (71.5 km2)|
|• Land||27.5 sq mi (71.3 km2)|
|• Water||0.1 sq mi (0.2 km2)|
|Elevation||605 ft (184 m)|
|• Density||190/sq mi ( 72/km2)|
|Time zone||Eastern (UTC-5)|
|• Summer (DST)||Eastern (UTC-4)|
|GNIS feature ID||0618388|
Warren was first settled in 1664 and was officially incorporated on January 16, 1741 as the town of Western.
Originally a part of Quaboag Plantation, the town now known as Warren was part of Brookfield for 68 years until it was renamed Western. Warren includes land petitioned from both the Quaboag Plantation and the "Kingsfield", which included parts of Palmer and Brimfield.
On March 13, 1834, the town was renamed Warren in honor of General Joseph Warren, who died at the Battle of Bunker Hill during the American Revolutionary War. The need to rename the town came about due to confusion of the name "Western" with the town of Weston, Massachusetts. According to the History of Warren Massachusetts by Olney I. Darling, Western was renamed Warren due to "countless mistakes in the transmission of the mails." On January 13, 1834, a town meeting was held to discuss a name change. Shortly thereafter, the town petitioned the legislature to change the name, which was soon done, and the first town meeting under the name "Warren" was held on April 28, 1834.
Two other places named "Warren" had existed in Massachusetts prior to 1834. The first Warren, now in Rhode Island, was located on land combining parts of the Massachusetts Bay Colony and Plymouth Colony. In 1636, Roger Williams, banished from Salem, fled to the Indian village of Sowams, where he was sheltered by Massasoit until he settled at Providence.
Permanent English settlement east of the Indian village began. In 1653, Massasoit and his oldest son sold to certain Plymouth Colony settlers what is now Warren and parts of Barrington, Rhode Island, Swansea, Massachusetts, and Rehoboth, Massachusetts. In 1668, the township was officially incorporated with the name Sowams; in 1691, the Plymouth Colony merged with the Massachusetts Bay Colony. Warren was ceded to Rhode Island from Massachusetts in 1747. The town was named "Warren" after a British naval hero, Admiral Sir Peter Warren, following a victory at Louisburg in 1745. At the time of cession in 1747, Barrington was unified with Warren, until it was separated again in 1770.
The second "Warren, Massachusetts" is now the town of Warren, Maine. On November 7, 1776, Upper Town of St. Georges Plantation was incorporated as a town and named after Joseph Warren, the Revolutionary War hero. Maine separated from Massachusetts in 1820.
Warren in Worcester County historically contained the villages of #4 Village, Center Village, West Warren, Lower Village, and South Warren. Historical markers mark each of these areas, and West Warren and Warren each have their own zip codes.
According to the United States Census Bureau, the town has a total area of 27.6 square miles (71 km2), of which 27.5 square miles (71 km2) is land and 0.1 square miles (0.26 km2), or 0.33%, is water.
The Quaboag River runs through the center of town.
At the 2000 census, there were 4,776 people, 1,889 households and 1,286 families residing in the town. The population density was 173.5 per square mile (67.0/km²). There were 2,014 housing units at an average density of 73.2 per square mile (28.2/km²). The racial makeup of the town was 97.42% White, 0.42% Black or African American, 0.29% Native American, 0.27% Asian, 0.21% from other races, and 1.38% from two or more races. Hispanic or Latino of any race were 0.88% of the population.
There were 1,889 households of which 33.2% had children under the age of 18 living with them, 51.0% were married couples living together, 12.1% had a female householder with no husband present, and 31.9% were non-families. 26.0% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.02.
Age distribution was 26.8% under the age of 18, 7.0% from 18 to 24, 31.0% from 25 to 44, 22.0% from 45 to 64, and 13.2% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 96.2 males. For every 100 females age 18 and over, there were 94.4 males.
The median household income was $34,583, and the median family income was $39,598. Males had a median income of $32,773 versus $26,667 for females. The per capita income for the town was $17,192. About 5.0% of families and 6.1% of the population were below the poverty line, including 6.3% of those under age 18 and 6.9% of those aged 65 or over.
Warren Pumps LLC, which began operations in 1897, continues a tradition of municipal (including flood control pumps for New Orleans, Louisiana), industrial, and commercial pump manufacturing in the town that dates back to the 1790s.
|County-level state agency heads|
|Clerk of Courts:||Dennis P. McManus (D)|
|District Attorney:||Joseph D. Early, Jr. (D)|
|Register of Deeds:||Anthony J. Vigliotti (D)|
|Register of Probate:||Stephen Abraham (D)|
|County Sheriff:||Lew Evangelidis (R)|
|State Representative(s):||Todd M. Smola (R)|
|State Senator(s):||Stephen M. Brewer (D)|
|Governor's Councilor(s):||Jen Caissie (R)|
|U.S. Representative(s):||Richard E. Neal (D-1st District),|
|U.S. Senators:||Elizabeth Warren (D, Mo Cowan (D))|
Notable residents 
- Molly Bish (born 1983), murder victim who disappeared in June 2000. Her body was recovered but no one was ever charged.
- Dennis C. Haley, president of Suffolk University
- Greg Hentzi, copper artist. Greg's artwork is famous throughout America.
- Jack Larkin, published historian, expert on early 19th century United States history.
- Christopher Dagger, (born 1983). Immigrated from England to the United States in 2009. Founded Cakettes Coffee Shop in Warren, known for the popular cake balls called Caketts. Cakettes has since opened stores in Connecticut and Los Angeles, California.
See also 
- Sylvia Buck, Warren, Town in the Making, 1741-1991
- Olney I. Darling, History of Warren Massachusetts, West Brookfield (1874), p. 9
- "TOTAL POPULATION (P1), 2010 Census Summary File 1". American FactFinder, All County Subdivisions within Massachusetts. United States Census Bureau. 2010.
- "Massachusetts by Place and County Subdivision - GCT-T1. Population Estimates". United States Census Bureau. Retrieved July 12, 2011.
- "1990 Census of Population, General Population Characteristics: Massachusetts". US Census Bureau. December 1990. Table 76: General Characteristics of Persons, Households, and Families: 1990. 1990 CP-1-23. Retrieved July 12, 2011.
- "1980 Census of the Population, Number of Inhabitants: Massachusetts". US Census Bureau. December 1981. Table 4. Populations of County Subdivisions: 1960 to 1980. PC80-1-A23. Retrieved July 12, 2011.
- "1950 Census of Population". 1: Number of Inhabitants. Bureau of the Census. 1952. Section 6, Pages 21-10 and 21-11, Massachusetts Table 6. Population of Counties by Minor Civil Divisions: 1930 to 1950. Retrieved July 12, 2011.
- "1920 Census of Population". Bureau of the Census. Number of Inhabitants, by Counties and Minor Civil Divisions. Pages 21-5 through 21-7. Massachusetts Table 2. Population of Counties by Minor Civil Divisions: 1920, 1910, and 1920. Retrieved July 12, 2011.
- "1890 Census of the Population". Department of the Interior, Census Office. Pages 179 through 182. Massachusetts Table 5. Population of States and Territories by Minor Civil Divisions: 1880 and 1890. Retrieved July 12, 2011.
- "1870 Census of the Population". Department of the Interior, Census Office. 1872. Pages 217 through 220. Table IX. Population of Minor Civil Divisions, &c. Massachusetts. Retrieved July 12, 2011.
- "1860 Census". Department of the Interior, Census Office. 1864. Pages 220 through 226. State of Massachusetts Table No. 3. Populations of Cities, Towns, &c. Retrieved July 12, 2011.
- "1850 Census". Department of the Interior, Census Office. 1854. Pages 338 through 393. Populations of Cities, Towns, &c. Retrieved July 12, 2011.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
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