Carroll County IA Information


Carroll County Subdivisions

Carroll County IA Data & Demographics (As of July 1, 2017)


Total Population 20,733
Daytime Population: Workers 12,934
Daytime Population: Residents 9,246
Total Daytime Population (TDP) 22,180
Ratio TDP/Total Population1 1.07
Population in Households 20,266
Population in Familes 16,213
Population in Group Qrtrs 467
Population Density2 36
Diversity Index3 12


Median Household Income $51,492
Average Household Income $65,334
Per Capita Income $27,607


Total Housing Units 9,470 (100%)
Owner Occupied HU 6,387 (67.4%)
Renter Occupied HU 2,298 (24.3%)
Vacant Housing Units 785 ( 8.3%)
Median Home Value $125,654
Average Home Value $152,842


Total Households 8,685
Average Household Size 2.33
Family Households 5,527
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 -0.06% -0.2%
Households 0.0% -0.16%
Families -0.16% -0.26%
Median Household Income   1.73%
Per Capita Income   2.37%


Carroll County IA - Peer Comparisons by Rank and Percentile

The table below compares Carroll County to the other 99 counties and county equivalents in Iowa by rank and percentile using July 1, 2017 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 # 31 70th
Population Density # 32 69th
Diversity Index # 62 38th
Median Household Income # 50 51st
Per Capita Income # 42 59th

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