Peoria County, IL Demographics

This page shows a collection of maps for Peoria County (pop: 181,830) of different demographic data.

Peoria County, IL Household Size Map

This map shows household size in Peoria County by neighborhood or county. Peoria County has an average of 2.44 individuals per household. Red areas have larger household sizes, which generally means more children. Green areas have smaller household sizes, and there will typically be fewer young children.

 

Peoria County, IL Map of Household Size by Area
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Household Size Key

Smaller Households
Medium Size Households
Larger Households

Peoria County, IL Resident Age Map

The median age of residents in Peoria County is 39.74. This is older than the median age of 38.1 in the United States.

The areas in green are among the youngest areas in the county. Areas in red show Peoria County neighborhoods where the median resident is older, and areas in yellow show areas where the median age is between the late 30s and early 40s.

 

Peoria County, IL Map of Household Size by Area
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Resident Age Key

Young
Middle Age
Older

Peoria County, IL Single Parent Homes Map

This map shows where single-parent households live. In Peoria County, 10.76% of households have a single parent. Neighborhoods with very few one-parent households are green, and areas with many single-parent households are red.

 

Peoria County, IL Map of Single Parent Households
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% Single Parent Homes Key

Few Single Parent Homes
Some Single Parent Homes
Many Single Parent Homes

Home Services

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Updated 2023 using the most recent data available (2021)