Clarke County IA Information


Clarke County Subdivisions

Clarke County IA Data & Demographics (As of July 1, 2016)


Total Population 9,383
Population in Households 9,244
Population in Familes 7,453
Population in Group Qrtrs 139
Population Density1 22
Diversity Index2 34


Total Households 3,760
Average Household Size 2.46
Family Households 2,482
Average Family Size 3


Total Housing Units 4,175 (100%)
Owner Occupied HU 2,649 (63.4%)
Renter Occupied HU 1,111 (26.6%)
Vacant Housing Units 415 ( 9.9%)
Median Home Value $101,992
Average Home Value $146,857


Median Household Income $49,604
Average Household Income $60,321
Per Capita Income $24,329
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.17% 0.07%
Households 0.25% 0.12%
Families 0.14% 0.04%
Median Household Income   1.17%
Per Capita Income   1.64%
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.


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, 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 # 81 19th
Population Density1 # 68 32nd
Diversity Index2 # 12 89th
Median Household Income # 55 45th
Per Capita Income # 79 21st

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