Peoria County IL Information


Peoria County Subdivisions

Peoria County IL Data & Demographics (As of July 1, 2015)


Total Population 189,399
Population in Households 184,420
Population in Familes 143,196
Population in Group Qrtrs 4,979
Population Density1 306
Diversity Index2 49


Total Households 77,437
Average Household Size 2.38
Family Households 47,762
Average Family Size 3


Total Housing Units 85,360 (100%)
Owner Occupied HU 49,866 (58.4%)
Renter Occupied HU 27,571 (32.3%)
Vacant Housing Units 7,923 ( 9.3%)
Median Home Value $153,211
Average Home Value $194,366


Median Household Income $52,177
Average Household Income $70,223
Per Capita Income $29,091
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.29% 0.4%
Households 0.41% 0.43%
Families 0.21% 0.3%
Median Household Income   2.51%
Per Capita Income   2.53%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2015 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 Density1 # 12 89th
Diversity Index2 # 16 85th
Median Household Income # 31 71st
Per Capita Income # 16 85th

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