|— City —|
|• Mayor||Tom Orr|
|• Total||6.35 sq mi (16.45 km2)|
|• Land||6.35 sq mi (16.45 km2)|
|• Water||0 sq mi (0 km2)|
|Elevation||830 ft (253 m)|
|• Estimate (2011)||10,593|
|• Density||1,674.8/sq mi (646.6/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|ZIP codes||43725, 43750|
|GNIS feature ID||1058167|
|Website||Official Website of the City of Cambridge, Ohio|
Cambridge is a city in and the county seat of Guernsey County, Ohio, United States. It lies in southeastern Ohio, in the Appalachian Plateau of the Appalachian Mountains. The population was 11,129 at the 2010 census. It is the principal city of the Cambridge Micropolitan Statistical Area. It is located adjacent to the intersection of Interstates 70 and 77, which the Ohio Department of Transportation proclaimed in 1969 to be the world's largest interchange in terms of land area.
Cambridge is well-known among glass collectors as being the location for the Cambridge Glass, Boyd Glass and Mosser Glass plants. The Cambridge area is also famous for its "S" shaped bridges, dating back to the building of the National Road in 1828.
In 1796, Col. Ebenezer Zane received funds to blaze a road suitable for travel by horse through the Ohio wilderness from a point on the Ohio River opposite Wheeling, Virginia (now Wheeling, West Virginia) to another point opposite Maysville, Kentucky. Where this road, known as Zane's Trace, crossed Wills Creek, a ferry was established in 1798. This was followed by the first bridge authorized by the legislature of the Northwest Territory, built in 1803. The land on which part of Cambridge stands was granted to Zaccheus Biggs and Zaccheus Beatty by the government in 1801. A settlement grew up at the creek crossing. The town of Cambridge was platted there in 1806. Both Cambridge, Maryland and Cambridge, Massachusetts have been speculated by historians as having inspired the naming of the town. Also in 1806, another group of early settlers from the Isle of Guernsey in the English Channel pitched camp in Cambridge, reportedly because the women in the party refused to move on. The county for which Cambridge serves as the county seat was later named in honor of its many settlers from Guernsey.
In 1828, the federally built National Road came through Cambridge. The first railroad arrived in 1854.
The Cambridge, Ohio area experienced massive flooding in late June 1998.
Tom Orr is the current Mayor of Cambridge. He replaced Sam Salupo.
President of Council is William Cowgill, who replaces former mayor Charles Schaub, who replaced Fred Shimp.
2010 census 
As of the census of 2010, there were 10,635 people, 4,651 households, and 2,604 families residing in the city. The population density was 1,674.8 inhabitants per square mile (646.6 /km2). There were 5,313 housing units at an average density of 836.7 per square mile (323.1 /km2). The racial makeup of the city was 92.7% White, 3.4% African American, 0.3% Native American, 0.3% Asian, 0.3% from other races, and 3.0% from two or more races. Hispanic or Latino of any race were 1.2% of the population.
There were 4,651 households out of which 30.3% had children under the age of 18 living with them, 33.9% were married couples living together, 16.9% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 44.0% were non-families. 38.2% of all households were made up of individuals and 17% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.94.
The median age in the city was 38.8 years. 24.6% of residents were under the age of 18; 8.7% were between the ages of 18 and 24; 24.6% were from 25 to 44; 24.8% were from 45 to 64; and 17.3% were 65 years of age or older. The gender makeup of the city was 46.6% male and 53.4% female.
2000 census 
As of the census of 2000, there were 11,520 people, 4,924 households, and 2,954 families residing in the city. The population density was 2,055.1 people per square mile (792.9/km²). There were 5,585 housing units of an average density of 996.3 per square mile (384.4/km²). The racial makeup of the city was 92.84% White, 3.91% African American, 0.33% Native American, 0.37% Asian, 0.47% from other races, and 2.07% from two or more races. Hispanic or Latino of any race were 0.96% of the population.
There were 4,924 households out of which 30.5% had children under the age of 18, 39.2% were married couples living together, 16.3% had a female householder with no husband present, and 40.0% were non-families. 35.3% of all households were made up of individuals and 15.9% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.92.
The population of the city was spread out with 25.9% under the age of 18, 9.2% from 18 to 24, 26.5% from 25 to 44, 20.9% from 45 to 64, and 17.5% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 85.8 males and every 100 females aged 18 and over, there were 79.9 males.
The median income for a household in the city was $24,102, and the median income for a family was $30,780. Males had a median income of $26,368 versus $20,596 for females. The per capita income for the city was $14,452. About 18.1% of families and 21.2% of the population were below the poverty line, including 29.5% of those under age 18 and 12.2% of those age 65 or over.
Arts and culture 
- The Living Word, an annual Passion Play
- Salt Fork Arts and Crafts Festival, Arts festival held annually in the city park around August
- Georgetown Vineyards
- Pritchard-Laughlin Civic Center
Parks and recreation 
- Salt Fork State Park and Lodge, home of the biggest inland beach in Ohio.
- Salt Fork Lake
- Seneca Lake
- The Wilds, a natural wildlife preserve
Public schools 
Private schools 
- St. Benedict School site
Notable people 
- William Boyd - actor
- Dom Capers - defensive coordinator for the Green Bay Packers former defensive coordinator for the Miami Dolphins and Pittsburgh Steelers, also the first head coach of the NFL Houston Texans and first head coach of the NFL Carolina Panthers
- Doug Donley - former wide receiver for the Dallas Cowboys and Chicago Bears
- Tom Eyen - American experimental playwright, lyricist, and theatre director, author of Dreamgirls for which he won the 1981 Tony Award for Best Book of a Musical
- Geno Ford - Former Ohio Mr. Basketball, Ohio University player and coach; current Bradley University basketball head coach
- John Glenn - U.S. Senator and astronaut; first American to orbit Earth
- Kevin Ritz - former pitcher for the MLB Detroit Tigers and Colorado Rockies
- William Oxley Thompson - fifth president of The Ohio State University
- Sheila Ray Charles - Daughter of Ray Charles
- Josie Roberts - Broadway performer
- "US Gazetteer files 2010". United States Census Bureau. Retrieved 2013-01-06.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "American FactFinder". United States Census Bureau. Retrieved 2013-01-06.
- "Population Estimates". United States Census Bureau. Retrieved 2013-01-06.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- The Flood of June 28, 1998
- Ohio Atlas & Gazetteer. Yarmouth, Me.: DeLorme. 1991. p. 61. ISBN 0-89933-233-1.
- "Cambridge City School District". Cambridge City School District. Retrieved August 4, 2012.
Sheila Ray Charles daughter of Ray Charles
- Popular Cambridge news and information website
- City website
- Cambridge City Schools
- Reference to 1969 ODOT map
- The Daily Jeffersonian
- Cambridge newspaper refuses gay couple's wedding notice (2010)
- Living Word Passion Play