Troy, Illinois
Troy, Illinois | |
|---|---|
Location in Madison County, Illinois | |
| Coordinates: 38°43′05″N 89°52′35″W / 38.71806°N 89.87639°W | |
| Country | United States |
| State | Illinois |
| County | Madison |
| Townships | Jarvis, Pin Oak |
| Area | |
• Total | 5.67 sq mi (14.69 km2) |
| • Land | 5.62 sq mi (14.56 km2) |
| • Water | 0.054 sq mi (0.14 km2) |
| Elevation | 558 ft (170 m) |
| Population (2020) | |
• Total | 10,960 |
| • Density | 1,950.2/sq mi (752.96/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 62294 |
| Area code | 618 |
| FIPS code | 17-76199 |
| GNIS feature ID | 2397061 |
| Website | www |
Troy is a city in Madison County, Illinois, United States. The population was 10,960 at the 2020 census, up from 9,888 in 2010.
Troy is part of the St. Louis Metropolitan Statistical Area. Its namesake in Lincoln County, Missouri, is also part of this MSA, making it (along with the two O'Fallons in Illinois and Missouri) one of the few pairs of like-named municipalities to be part of the same MSA.