Washington County Courthouse on Nashville's public square
|Area||2.81 sq mi (7 km2)|
|- land||2.72 sq mi (7 km2)|
|- water||0.09 sq mi (0 km2)|
|Density||1,163.6/sq mi (449/km2)|
|Founded||June 8, 1830|
|Mayor||Raymond F. Kolweier|
|- summer (DST)||CDT (UTC-5)|
|Wikimedia Commons: Nashville, Illinois|
Nashville is located at (38.348076, -89.381660).
According to the 2010 census, Nashville has a total area of 2.809 square miles (7.28 km2), of which 2.72 square miles (7.04 km2) (or 96.83%) is land and 0.089 square miles (0.23 km2) (or 3.17%) is water.
Nashville is located on Nashville Creek, at the headwaters of Little Crooked Creek, which flows northwest into the Kaskaskia River. Just to the southeast of Nashville is the headwaters of Beaucoup Creek, which flows south into the Big Muddy River. Nashville is thus situated next to the Kaskaskia/Big Muddy divide.
As of the census of 2000, there were 3,147 people, 1,324 households, and 884 families residing in the city. The population density was 1,173.9 people per square mile (453.4/km²). There were 1,421 housing units at an average density of 530.1 per square mile (204.7/km²). The racial makeup of the city was 98.73% White, 0.16% African American, 0.13% Native American, 0.38% Asian, 0.10% Pacific Islander, 0.19% from other races, and 0.32% from two or more races. Hispanic or Latino of any race were 0.79% of the population.
There were 1,324 households out of which 31.6% had children under the age of 18 living with them, 54.3% were married couples living together, 10.3% had a female householder with no husband present, and 33.2% were non-families. 30.4% of all households were made up of individuals and 17.4% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.92.
In the city the population was spread out with 24.6% under the age of 18, 7.4% from 18 to 24, 27.5% from 25 to 44, 22.3% from 45 to 64, and 18.3% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 87.1 males. For every 100 females age 18 and over, there were 85.2 males.
The median income for a household in the city was $42,097, and the median income for a family was $51,875. Males had a median income of $34,020 versus $24,010 for females. The per capita income for the city was $21,935. About 1.9% of families and 4.4% of the population were below the poverty line, including 2.8% of those under age 18 and 9.6% of those age 65 or over.
- One public school-Nashville Grade School
- Two parochial schools-Trinity-St. John Lutheran School and St. Ann Catholic School
- One public high school-Nashville Community High School District 99
- Harry Blackmun, U.S. Supreme Court Justice, was born in Nashville in 1908
- William St. John Forman, former U.S. Representative and mayor of Nashville
- Hugh Green, Illinois politician, was born near Nashville
- Byron O. House, Chief Justice of the Illinois Supreme Court, lived in Nashville
- Lloyd A. Karmeier, Illinois Supreme Court Justice, lives in Nashville and was a Circuit Court judge for the area
- Ralph L. Maxwell, Illinois Supreme Court justice, was born in Nashville
- Thomas B. Needles, Illinois politician
- Kirk Rueter, former pitcher for the San Francisco Giants, lives just outside Nashville
- "Race, Hispanic or Latino, Age, and Housing Occupancy: 2010 Census Redistricting Data (Public Law 94-171) Summary File (QT-PL), Nashville city, Illinois". U.S. Census Bureau, American FactFinder 2. Retrieved October 31, 2011.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "G001 - Geographic Identifiers - 2010 Census Summary File 1". United States Census Bureau. Retrieved 2015-12-27.
- History of Washington County, Illinois: With Illustrations Descriptive of Its Scenery, and Biographical Sketches of Some of Its Prominent Men and Pioneers. Brink, McDonough. 1879. p. 43.
- "Washington County". Jim Forte Postal History. Retrieved 4 January 2015.
- "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
- "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
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