Clayton County IA Information


Clayton County Subdivisions

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


Total Population 18,228
Population in Households 17,946
Population in Familes 14,297
Population in Group Qrtrs 282
Population Density1 23
Diversity Index2 8


Median Household Income $53,214
Average Household Income $66,772
Per Capita Income $28,315


Total Housing Units 9,307 (100%)
Owner Occupied HU 5,812 (62.4%)
Renter Occupied HU 1,873 (20.1%)
Vacant Housing Units 1,622 (17.4%)
Median Home Value $126,619
Average Home Value $173,568


Total Households 7,685
Average Household Size 2.34
Family Households 5,010
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 0.07% -0.05%
Households 0.14% -0.01%
Families -0.02% -0.11%
Median Household Income   1.26%
Per Capita Income   1.96%


Clayton County IA - Peer Comparisons by Rank and Percentile

The table below compares Clayton 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 # 39 62nd
Population Density # 64 36th
Diversity Index # 88 13th
Median Household Income # 42 59th
Per Capita Income # 51 49th

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