Nashville is a city in Washington County, Illinois, United States. As of the 2020 census, the city population was 3,105. It is the county seat of Washington County. Geography Nashville is located at (38.348076, -89.381660). According to the 2010 census, Nashville has a total area of , of which (or 96.83%) is land and (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. History Nashville was originally called New Nashville, and under the latter name was laid out in 1830. The local post office was established as Nashville in 1831. On June 28, 2020, Nashville was the site of a successful attempt at the world record for most pogo stick jumps with no hands. Caleb Klein set the record with 13,015 consecutive jumps. Demographics 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 . There were 1,421 housing units at an average density of . 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 people 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