Peoria County IL Information


Peoria County Subdivisions

Peoria County IL Data & Demographics (As of July 1, 2018)


Total Population 185,034
Population in Households 180,152
Population in Familes 140,162
Population in Group Qrtrs 4,882
Population Density2 299
Diversity Index3 51


Median Household Income $54,706
Average Household Income $78,089
Per Capita Income $32,448


Total Housing Units 84,365 (100%)
Owner Occupied HU 47,597 (56.4%)
Renter Occupied HU 27,951 (33.1%)
Vacant Housing Units 8,817 (10.5%)
Median Home Value $132,488
Average Home Value $174,867


Total Households 75,548
Average Household Size 2.38
Family Households 46,331
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.1% -0.38%
Households -0.04% -0.35%
Families -0.24% -0.49%
Median Household Income   1.34%
Per Capita Income   2.23%


Peoria County IL - Peer Comparisons by Rank and Percentile

The table below compares Peoria County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 12 89th
Population Density # 12 89th
Diversity Index # 16 85th
Median Household Income # 29 73rd
Per Capita Income # 12 89th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.