Troy Flag

Troy

County:
Madison County
County Seat:
No
Area (mi²):
6.239
State:
Illinois

Troy is a city located in Madison County, Illinois. Troy has a 2026 population of 11,988. Troy is currently growing at a rate of 0.75% annually and its population has increased by 4.66% since the most recent census, which recorded a population of 11,454 in 2020.

The median household income in Troy is $112,434 with a poverty rate of 1.99%. The median age in Troy is 35.2 years: 34.2 years for males, and 37.3 years for females. For every 100 females there are 89.6 males.

12K
Total Population
1,922
Density (mi²)
89 0.75%
Growth

Troy Population

Troy Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,988890.75%
202511,899890.75%
202411,810890.76%
202311,721740.64%
202211,6471040.9%
202111,543970.85%
202011,4541,09310.55%
201910,361850.83%
201810,276720.71%
201710,204940.93%
201610,110600.6%
201510,050330.33%
201410,01790.09%
201310,008370.37%
20129,97150.05%
20119,966370.37%
20109,929410.41%
20008,5242,47840.99%
19906,0462,27460.29%
19803,77200%

Median Age

Overall: 35.2 years
Female: 37.3 years
Male: 34.2 years

Troy Adults

There are 8,172 adults, (1,626 of whom are seniors) in Troy.

Sex Ratio

Female: 6,144 (52.8%)
Male: 5,503 (47.2%)

Demographics

The racial composition of Troy includes 89.49% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10,42389.49%
Two or more races8106.95%
Other race1751.5%
Black or African American1481.27%
Asian780.67%
Native American130.11%
Race
Population ↓
Percentage (of total)
Two or more races1871.61%
Other race1561.34%
White680.58%
Native American130.11%
Race
Population ↓
Percentage (of total)
White10,35588.91%
Two or more races6235.35%
Black or African American1481.27%
Asian780.67%
Other race190.16%

Troy Marital Status

Economics and Income Statistics

Troy 's average per capita income is $65,847. Household income levels show a median of $112,434. The poverty rate stands at 1.99%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$143,082-
Families$128,443$135,372
Households$112,434$125,490
Non Families$59,271$92,267

$65,847

Average Income

$112,434

Median Household Income

1.99%

Poverty Rate

Nearby Cities

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)