Madison is a city in Madison and St. Clair counties in the U.S. state of Illinois. The population was 3,171 at the 2020 census, down from 3,891 in 2010. It is home to World Wide Technology Raceway at Gateway and the first Bulgarian Orthodox church in the United States. History Madison was founded in 1820. There have been three villages named Madison. Geography Madison is located in southwestern Madison County at (38.683700, -90.151047). The central city area is bordered by Granite City to the north and Venice to the southwest. However, the Madison city limits now extend south, east, and north of the city center, so that it is also bordered by Hartford to the extreme north, Pontoon Beach to the east, Fairmont City to the southeast, and Brooklyn to the southwest. The Mississippi River forms the western boundary of Madison north of Venice, with St. Louis, Missouri, across the river. Illinois Route 203 passes through the center of Madison as MC Cambridge Avenue and Edwardsville Road, leading north into Granite City and south to Interstates 55 and 70 at their Exit 4 in the southernmost part of town. Illinois Route 3 (Cedar Street) crosses the western part of Madison, leading south into Venice before crossing the Mississippi into St. Louis, and north through Granite City to Hartford. According to the U.S. Census Bureau, Madison has a total area of , of which are land and , or 20.91%, are water. Demographics At the 2000 census there were 4,545 people, 1,881 households, and 1,117 families living in the city. The population density was . There were 2,322 housing units at an average density of . The racial makup of the city was 55.36% White, 42.13% African American, 0.29% Native American, 0.11% Asian, 0.02% Pacific Islander, 0.92% from other races, and 1.17% from two or more races. Hispanic or Latino of any race were 1.96%. Of the 1,881 households 29.8% had children under the age of 18 living with them, 31.2% were married couples living together, 22.0% had a female householder with no husband present, and 40.6% were non-families. 34.9% of households were one person and 14.7% were one person aged 65 or older. The average household size was 2.42 and the average family size was 3.13. In the city, the age distribution of the population shows 29.8% under the age of 18, 8.6% from 18 to 24, 26.8% from 25