Collinsville, Illinois
Collinsville is a city in Madison County, Illinois, with an estimated population of 23,779 in 2023. It sits at 38.6757, -90.0058 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Collinsville |
| Type | city |
| State | Illinois (IL) |
| County | Madison County |
| Population (2023 est.) | 23,779 |
| Land area | 15.24 sq mi (39.47 km²) |
| Coordinates | 38.6757, -90.0058 |
| Time zone | America/Chicago |
| ZIP codes | 62234 |
| Telephone area codes | 618 |
This place also extends into St. Clair County.
ZIP codes and area codes for Collinsville
Collinsville covers 1 ZIP code: 62234. Telephone area codes serving the area: 618. Browse all ZIP codes in Illinois for the full list.
Where is Collinsville?
Collinsville is located in Illinois, in Madison County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Caseyville 6 km · ILMaryville 7 km · ILPontoon Beach 7 km · ILMadison 8 km · ILFairmont City 9 km · ILFairview Heights 9 km · ILWashington Park 9 km · ILGlen Carbon 9 km · IL
Other places in Madison County
Granite City 26,908Edwardsville 26,698Alton 25,006Godfrey 17,597Glen Carbon 13,868Troy 11,209Wood River 10,270Highland 9,961Bethalto 9,170Maryville 8,316
Related
Frequently asked questions
What county is Collinsville, IL in?
Collinsville is in Madison County, Illinois.
What is the population of Collinsville, IL?
The 2023 Census Bureau estimate is 23,779.
What time zone is Collinsville in?
Collinsville is in the America/Chicago time zone.