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.
Data after 2023 is projected based on recent change
The racial composition of Troy includes 91.32% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.
White (91.32%)
Two or more races (4.53%)
Black or African American (1.7%)
Other race (1.63%)
Asian (0.83%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,944 | 91.32% |
| Two or more races | 493 | 4.53% |
| Black or African American | 185 | 1.7% |
| Other race | 177 | 1.63% |
| Asian | 90 | 0.83% |
Married
Widowed
Divorced
Separated
Never Married
Troy's average per capita income is $59,877. Household income levels show a median of $97,825. The poverty rate stands at 1.55%.
Name | Median | Mean |
|---|---|---|
| Married Families | $133,676 | - |
| Families | $116,965 | $130,669 |
| Households | $97,825 | $114,146 |
| Non Families | $57,688 | $72,906 |
Average Income
Median Household Income
Poverty Rate