Clarke County IA Information


Clarke County Subdivisions

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


Total Population 9,458
Daytime Population: Workers 4,650
Daytime Population: Residents 4,708
Total Daytime Population (TDP) 9,358
Ratio TDP/Total Population1 0.99
Population in Households 9,307
Population in Familes 7,485
Population in Group Qrtrs 151
Population Density2 22
Diversity Index3 35


Median Household Income $51,366
Average Household Income $61,591
Per Capita Income $24,739


Total Housing Units 4,166 (100%)
Owner Occupied HU 2,664 (63.9%)
Renter Occupied HU 1,109 (26.6%)
Vacant Housing Units 393 ( 9.4%)
Median Home Value $102,647
Average Home Value $146,547


Total Households 3,773
Average Household Size 2.47
Family Households 2,481
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 0.25% 0.21%
Households 0.27% 0.22%
Families 0.11% 0.14%
Median Household Income   2.6%
Per Capita Income   2.85%


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, 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 # 80 20th
Population Density # 68 32nd
Diversity Index # 15 86th
Median Household Income # 54 46th
Per Capita Income # 83 17th

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