Troy, Illinois

Troy, Illinois
William W. Jarvis House
Locationin Madison County, Illinois
Locationin Madison County, Illinois
Troy is located in the United States
Troy
Troy
Location in the United States
Coordinates: 38°43′45″N 89°53′30″W / 38.72917°N 89.89167°W / 38.72917; -89.89167
Country United States
State Illinois
CountyMadison
TownshipsJarvis, Pin Oak
Area
 • Total5.67 sq mi (14.69 km2)
 • Land5.62 sq mi (14.56 km2)
 • Water0.05 sq mi (0.14 km2)
Elevation558 ft (170 m)
Population
 • Total10,960
 • Density1,950.18/sq mi (752.96/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62294
Area code618
FIPS code17-76199
GNIS feature ID2397061[2]
Wikimedia CommonsTroy, Illinois
Websitewww.troyil.us

Troy is a city in Madison County, Illinois, United States. The population was 10,960 at the 2020 census,[3] 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.

  1. ^ "2022 U.S. Gazetteer Files: Illinois". United States Census Bureau. Retrieved February 13, 2023.
  2. ^ a b U.S. Geological Survey Geographic Names Information System: Troy, Illinois
  3. ^ a b "P1. Race – Troy city, Illinois: 2020 DEC Redistricting Data (PL 94-171)". U.S. Census Bureau. Retrieved February 13, 2023.