Whiteside County IL Information


Whiteside County Subdivisions

Whiteside County IL Data & Demographics (As of July 1, 2016)


Total Population 57,418
Population in Households 56,406
Population in Familes 45,587
Population in Group Qrtrs 1,012
Population Density1 84
Diversity Index2 35


Total Households 23,486
Average Household Size 2.4
Family Households 15,678
Average Family Size 3


Total Housing Units 25,744 (100%)
Owner Occupied HU 16,962 (65.9%)
Renter Occupied HU 6,524 (25.3%)
Vacant Housing Units 2,258 ( 8.8%)
Median Home Value $105,986
Average Home Value $135,401


Median Household Income $48,826
Average Household Income $61,201
Per Capita Income $25,219
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.3% -0.43%
Households -0.17% -0.35%
Families -0.33% -0.45%
Median Household Income   0.99%
Per Capita Income   1.48%
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.


Whiteside County IL - Peer Comparisons by Rank and Percentile

The table below compares Whiteside County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2016 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 # 25 76th
Population Density1 # 29 73rd
Diversity Index2 # 24 76th
Median Household Income # 45 57th
Per Capita Income # 50 52nd

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