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

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

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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