Harrisburg

County:: Saline County
County Seat:: Yes
Area (mi²):: 6.612
State:: Illinois

Harrisburg is a city located in Saline County, Illinois. Harrisburg has a 2025 population of 7,713. It is also the county seat of Saline County. Harrisburg is currently declining at a rate of -1.24% annually and its population has decreased by -5.9% since the most recent census, which recorded a population of 8,197 in 2020.

The average household income in Harrisburg is $62,908 with a poverty rate of 25.13%.The median age in Harrisburg is 37.5 years: 36.1 years for males, and 42.6 years for females.

Demographics

The racial composition of Harrisburg includes 91.82% White, 3.36% Black or African American, and smaller percentages for Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	7,904	91.82%
Two or more races	397	4.61%
Black or African American	289	3.36%
Asian	18	0.21%

Harrisburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Harrisburg's average per capita income is $37,861. Household income levels show a median of $48,488. The poverty rate stands at 25.13%.

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	$82,353	-
Families	$64,100	$74,390
Households	$48,488	$62,908
Non Families	$28,929	$43,433

$37,861

Average Income

$48,488

Median Household Income

25.13%

Poverty Rate