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 17.88 square miles (46.31 km2), of which 14.15 square miles (36.65 km2) are land and 3.74 square miles (9.69 km2), or 20.91%, are water.[1]
Madison city, Illinois – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
At the 2000 census there were 4,545 people, 1,881 households, and 1,117 families living in the city. The population density was 648.3 inhabitants per square mile (250.3/km2). There were 2,322 housing units at an average density of 331.2 per square mile (127.9/km2). 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%.[11]
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 to 44, 19.2% from 45 to 64, and 15.5% 65 or older. The median age was 34 years. For every 100 females, there were 96.0 males. For every 100 females age 18 and over, there were 88.4 males.
The median household income was $24,828 and the median family income was $29,926. Males had a median income of $27,363 versus $21,250 for females. The per capita income for the city was $13,090. About 19.6% of families and 24.0% of the population were below the poverty line, including 35.4% of those under age 18 and 12.0% of those age 65 or over.
Amtrak's Texas Eagle as well as its Lincoln Service pass through Madison, but don't stop in the small city. A regional bus service is provided for the community.