Fairmont City is a village in St. Clair and Madison counties, Illinois, United States. The population is currently 2,635 at the 2010 census. In the 1990s Fairmont City's Hispanic population doubled, and as of 2010, over 71% of the population is of Hispanic descent. The Fairmont City Library was International Grand Prize First Place for the Libraryaware for Library-community interaction in 2017 beating out the Kansas City Public Library and Catawba County Library in North Carolina.
Geography
Fairmont City is located at . According to the 2010 census, Fairmont City has a total area of, of which is land and is water. Fairmont City is built atop portions of the Cahokia Mounds, a UNESCO World Heritage Site. The highest point in the village is Sam Chuloco Mound, an old Indian mound. In April 2016, EPA added the Old American Zinc Fairmont City site to the National Priorities List following the Illinois EPA discovering high levels of lead, arsenic, cadmium and zinc in soil samples. Collected soil samples from properties and alleyways showed residue of arsenic, cadmium and zinc Fairmont City is only about 5 minutes from the Gateway Arch of St. Louis. Sunset often provides picturesque views of the arch and St. Louis' skyline. Collinsville Road runs the length of the village. Along this route once contained an accumulation of vintage, in situ roadside Americana advertising signage, most of which has not been removed or destroyed over time. National City, a former company town to the west of Fairmont City, dissolved in 1997 and was annexed by Fairmont City.
Demographics
As of the census of 2000, there were 2,436 people, 871 households, and 580 families residing in the village. The population density was 1,013.1 people per square mile. There were 939 housing units at an average density of 390.5 per square mile. The racial makeup of the village was 41.54% White, 1.23% African American, 0.94% Native American, 0.08% Asian, 27.50% from other races, and 3.69% from two or more races. Hispanic or Latino of any race were 55.38% of the population. There were 871 households out of which 29.9% had children under the age of 18 living with them, 45.9% were married couplesliving together, 11.7% had a female householder with no husband present, and 33.4% were non-families. 29.2% of all households were made up of individuals and 14.7% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.45. In the village, the population was spread out with 26.7% under the age of 18, 11.7% from 18 to 24, 28.7% from 25 to 44, 18.6% from 45 to 64, and 14.2% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 116.0 males. For every 100 females age 18 and over, there were 114.7 males. The median income for a household in the village was $27,070, and the median income for a family was $31,296. Males had a median income of $21,766 versus $21,576 for females. The per capita income for the village was $12,203. About 14.7% of families and 18.4% of the population were below the poverty line, including 26.5% of those under age 18 and 10.7% of those age 65 or over.