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 11,381. Troy is currently growing at a rate of 0.76% annually and its population has increased by 3.94% since the most recent census, which recorded a population of 10,950 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.

11.4K
Total Population
1,999
Density (mi²)
86 0.76%
Growth

Troy Population

Troy Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Troy includes 91.32% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White9,94491.32%
Two or more races4934.53%
Black or African American1851.7%
Other race1771.63%
Asian900.83%
Native American00%
Native Hawaiian or Pacific Islander00%

Troy Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

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$133,676-
Families$116,965$130,669
Households$97,825$114,146
Non Families$57,688$72,906

$59,877

Average Income

$97,825

Median Household Income

1.55%

Poverty Rate

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)