Clay County IA Information


Clay County Subdivisions

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  1. Clay County 2018 Demographic Data
  2. Growth Rates forClay County (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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


Total Population 16,977
Population in Households 16,724
Population in Familes 12,956
Population in Group Qrtrs 253
Population Density2 30
Diversity Index3 17


Median Household Income $53,150
Average Household Income $65,516
Per Capita Income $28,858


Total Housing Units 8,297 (100%)
Owner Occupied HU 5,348 (64.5%)
Renter Occupied HU 2,076 (25.0%)
Vacant Housing Units 873 (10.5%)
Median Home Value $120,703
Average Home Value $145,840


Total Households 7,424
Average Household Size 2.25
Family Households 4,619
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.22% -0.01%
Households 0.23% 0.0%
Families 0.06% -0.1%
Median Household Income   2.14%
Per Capita Income   2.63%


Clay County IA - Peer Comparisons by Rank and Percentile

The table below compares Clay 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 # 45 56th
Population Density # 43 57th
Diversity Index # 43 58th
Median Household Income # 43 58th
Per Capita Income # 42 59th

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

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Iowa Census Data Comparison Tool

Compare Iowa July 1, 2018 Data
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