Clarke County IA Information


Clarke County Subdivisions

Clarke County IA Data & Demographics (As of July 1, 2018)


Total Population 9,582
Population in Households 9,430
Population in Familes 7,520
Population in Group Qrtrs 152
Population Density1 22
Diversity Index2 38


Median Household Income $52,360
Average Household Income $63,169
Per Capita Income $25,331


Total Housing Units 4,214 (100%)
Owner Occupied HU 2,568 (60.9%)
Renter Occupied HU 1,249 (29.6%)
Vacant Housing Units 397 ( 9.4%)
Median Home Value $109,500
Average Home Value $151,051


Total Households 3,817
Average Household Size 2.47
Family Households 2,505
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.38% 0.4%
Households 0.37% 0.4%
Families 0.22% 0.29%
Median Household Income   1.16%
Per Capita Income   1.84%


Clarke County IA - Peer Comparisons by Rank and Percentile

The table below compares Clarke County to the other 99 counties and county equivalents in Iowa 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 # 78 22nd
Population Density # 66 34th
Diversity Index # 12 89th
Median Household Income # 51 49th
Per Capita Income # 89 11th

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