Peoria County, IL — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
179,831
Male
87,674
48.8%
Female
92,157
51.2%
Median Age
38.1 yrs
Avg Household Size
2.3
Foreign Born
6.9%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher23.2%
High School or Higher41.8%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
4.5%
Disability
0.0%
Non-English Home
4.5%
Married
36.7%
Peoria County, IL has a population of 179,831 according to 2023 Census Bureau estimates. The median age is 38.1 years. The largest racial or ethnic group is White at 68.6% of the population. 23.2% of residents hold a bachelor's degree or higher. 6.9% of residents are foreign-born.