Troy Flag

Troy

County:
Madison County
County Seat:
No
Area (mi²):
5.694
State:
Illinois

Troy is a city located in Madison County, Illinois. Troy has a 2025 population of 11,899 . Troy is currently growing at a rate of 0.75% annually and its population has increased by 3.89% since the most recent census, which recorded a population of 11,454 in 2020.

The average household income in Troy is $114,146 with a poverty rate of 1.55%. The median age in Troy is 35.8 years: 35.2 years for males, and 36.8 years for females. For every 100 females there are 85.9 males.

11.9K
Total Population
2,090
Density (mi²)
89 0.75%
Growth

Troy Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)