Collinsville, Illinois | |
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Motto: "Horseradish Capital of the World" | |
Coordinates: 38°40′28″N 89°59′43″W / 38.67444°N 89.99528°W | |
Country | United States |
State | Illinois |
Counties | Madison, St. Clair |
Townships | Collinsville, Nameoki, Caseyville, Canteen |
Government | |
• Type | Council–manager government |
Area | |
• Total | 15.26 sq mi (39.53 km2) |
• Land | 15.08 sq mi (39.05 km2) |
• Water | 0.19 sq mi (0.48 km2) |
Elevation | 525 ft (160 m) |
Population | |
• Total | 24,366 |
• Density | 1,616.10/sq mi (624.00/km2) |
Time zone | UTC−6 (CST) |
• Summer (DST) | UTC−5 (CDT) |
ZIP code | 62234[4] |
Area code | 618 |
FIPS code | 17-15599 |
GNIS feature ID | 2393598[2] |
Website | www |
Collinsville is a city located mainly in Madison County and partially in St. Clair County, Illinois, United States. As of the 2020 census, the city had a population of 24,366.[3] Collinsville is approximately 14 miles (23 km) east of St. Louis, Missouri, and is part of that city's Metro East area.[5]
Collinsville is the location of Cahokia Mounds State Historic Site, a National Historic Landmark and UNESCO World Heritage Site. This prehistoric urban complex is estimated to have had a population of thousands at its peak, long before European exploration in the area. The city is also known for the Brooks Catsup Bottle Water Tower,[6] the world's largest ketchup bottle, and is billed as the world's horseradish capital.[7]