Troy, Illinois
Troy is a city in Madison County, Illinois, with an estimated population of 11,209 in 2023. It sits at 38.7397, -89.8825 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Troy |
| Type | city |
| State | Illinois (IL) |
| County | Madison County |
| Population (2023 est.) | 11,209 |
| Land area | 5.69 sq mi (14.75 km²) |
| Coordinates | 38.7397, -89.8825 |
| Time zone | America/Chicago |
| ZIP codes | 62294 |
ZIP codes and area codes for Troy
Troy covers 1 ZIP code: 62294. Browse all ZIP codes in Illinois for the full list.
Where is Troy?
Troy 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
Maryville 7 km · ILGlen Carbon 9 km · ILMarine 10 km · ILSt. Jacob 11 km · ILEdwardsville 11 km · ILCollinsville 13 km · ILO'Fallon 16 km · ILPontoon Beach 16 km · IL
Other places in Madison County
Granite City 26,908Edwardsville 26,698Alton 25,006Collinsville 23,779Godfrey 17,597Glen Carbon 13,868Wood River 10,270Highland 9,961Bethalto 9,170Maryville 8,316
Related
Frequently asked questions
What county is Troy, IL in?
Troy is in Madison County, Illinois.
What is the population of Troy, IL?
The 2023 Census Bureau estimate is 11,209.
What time zone is Troy in?
Troy is in the America/Chicago time zone.