Cass County IL Information


Cass County Subdivisions

Cass County IL Data & Demographics (As of July 1, 2014)


Total Population 13,525
Population in Households 13,341
Population in Familes 10,730
Population in Group Qrtrs 184
Population Density1 36
Diversity Index2 52


Total Households 5,221
Average Household Size 2.56
Family Households 3,505
Average Family Size 3


Total Housing Units 5,860 (100%)
Owner Occupied HU 3,697 (63.1%)
Renter Occupied HU 1,524 (26.0%)
Vacant Housing Units 639 (10.9%)
Median Home Value $70,320
Average Home Value $79,808


Median Household Income $50,415
Average Household Income $56,186
Per Capita Income $21,719
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.2% -0.39%
Households -0.22% -0.44%
Families -0.37% -0.54%
Median Household Income   1.3%
Per Capita Income   1.82%
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.


Cass County IL - Peer Comparisons by Rank and Percentile

The table below compares Cass County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2014 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 # 82 21st
Population Density1 # 69 33rd
Diversity Index2 # 11 90th
Median Household Income # 42 60th
Per Capita Income # 76 26th

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