Carroll County IL Information


Carroll County Subdivisions

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


Total Population 15,200
Population in Households 14,918
Population in Familes 11,858
Population in Group Qrtrs 282
Population Density1 34
Diversity Index2 15


Total Households 6,499
Average Household Size 2.3
Family Households 4,216
Average Family Size 3


Total Housing Units 8,437 (100%)
Owner Occupied HU 4,941 (58.6%)
Renter Occupied HU 1,558 (18.5%)
Vacant Housing Units 1,938 (23.0%)
Median Home Value $112,556
Average Home Value $151,655


Median Household Income $48,012
Average Household Income $62,986
Per Capita Income $27,091
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.2% -0.43%
Households -0.3% -0.47%
Families -0.47% -0.58%
Median Household Income   1.74%
Per Capita Income   1.81%
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.


Carroll County IL - Peer Comparisons by Rank and Percentile

The table below compares Carroll 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 # 74 29th
Population Density1 # 70 32nd
Diversity Index2 # 62 40th
Median Household Income # 49 53rd
Per Capita Income # 31 71st

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