Carrollton is a city in and the county seat of Greene County, Illinois, United States. The population was 2,484 as of the 2010 census. Geography Carrollton is located in south-central Greene County at (39.296662, -90.408059). U.S. Route 67 passes through the city as 5th Street, leading north to Jacksonville and south to Alton on the Mississippi River. Illinois Route 108 (Main Street) crosses US 67 in the center of town, leading east to Carlinville and west to Kampsville on the Illinois River. According to the 2010 census, Carrollton has a total area of , of which (or 99.89%) is land and (or 0.11%) is water. It is located southwest of Springfield, the state capital, and is north of St. Louis, Missouri. Greene County borders the Metro East area. Business Banks There are two banks in Carrollton: Carrollton Bank and CNB Bank. Records show CNB Bank to be the oldest continuously active bank headquartered in Illinois. Education Carrollton is home to three schools: Carrollton High School (Carrollton, Illinois), Carrollton Grade School, and St. John the Evangelist Catholic School. Demographics As of the census of 2000, there were 2,605 people, 1,077 households, and 724 families residing in the city. The population density was . There were 1,175 housing units at an average density of . The racial makeup of the city was 98.77% White, 0.04% African American, 0.23% Native American, 0.31% Asian, 0.08% Pacific Islander, 0.19% from other races, and 0.38% from two or more races. Hispanic or Latino of any race were 0.50% of the population. There were 1,077 households, out of which 31.1% had children under the age of 18 living with them, 53.7% were married couples living together, 9.8% had a female householder with no husband present, and 32.7% were non-families. 29.9% of all households were made up of individuals, and 17.6% 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 23.7% under the age of 18, 8.2% from 18 to 24, 24.3% from 25 to 44, 22.1% from 45 to 64, and 21.7% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 88.0 males. For every 100 females age 18 and over, there were 83.8 males. The median income for a household