Peoria County Flag

Peoria County

State:
Illinois
County Seat:
Peoria

Peoria County's estimated 2025 population is 176,539 with a growth rate of -0.28% in the past year according to the most recent United States census data. Peoria County is the 12th largest county in Illinois. The 2010 population was 186,224 and has seen a growth of -5.2% since that time.

176,539
Total Population
285
Population Density (mi²)
12
Population Rank (State)
-487 -0.28%
Annual Population Growth

Peoria County Population

Peoria County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Peoria County includes 68.58% White, 17.52% Black or African American, 4.5% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White123,32868.58%
Black or African American31,50917.52%
Two or more races12,1816.77%
Asian8,1014.5%
Other race4,1732.32%
Native American4410.25%
Native Hawaiian or Pacific Islander980.05%

Peoria County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Peoria County's average per capita income is $48,471. Household income levels show a median of $64,938. The poverty rate stands at 15.43%.

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$111,981$142,098
Families$88,576$116,705
Households$64,938$92,111
Non Families$39,236$55,833

$48,471

Average Income

$64,938

Median Household Income

15.43%

Poverty Rate