Carroll County IL Information


Carroll County Subdivisions

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


Total Population 14,968
Population in Households 14,612
Population in Familes 11,653
Population in Group Qrtrs 356
Population Density2 34
Diversity Index3 16


Median Household Income $52,108
Average Household Income $66,064
Per Capita Income $28,470


Total Housing Units 8,437 (100%)
Owner Occupied HU 4,953 (58.7%)
Renter Occupied HU 1,451 (17.2%)
Vacant Housing Units 2,033 (24.1%)
Median Home Value $116,287
Average Home Value $164,224


Total Households 6,404
Average Household Size 2.28
Family Households 4,139
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 -0.33% -0.59%
Households -0.4% -0.57%
Families -0.58% -0.7%
Median Household Income   1.02%
Per Capita Income   1.96%


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, 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 # 73 29th
Population Density # 70 32nd
Diversity Index # 62 40th
Median Household Income # 41 61st
Per Capita Income # 33 69th

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