Clay County MO Information


Clay County Subdivisions

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


Total Population 242,051
Population in Households 239,405
Population in Familes 193,952
Population in Group Qrtrs 2,646
Population Density1 609
Diversity Index2 37


Median Household Income $65,412
Average Household Income $83,495
Per Capita Income $32,920


Total Housing Units 100,423 (100%)
Owner Occupied HU 64,406 (64.1%)
Renter Occupied HU 30,378 (30.3%)
Vacant Housing Units 5,639 ( 5.6%)
Median Home Value $173,203
Average Home Value $211,105


Total Households 94,784
Average Household Size 2.53
Family Households 63,500
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 1.06% 1.12%
Households 1.01% 1.1%
Families 0.89% 1.01%
Median Household Income   2.97%
Per Capita Income   2.86%


Clay County MO - Peer Comparisons by Rank and Percentile

The table below compares Clay County to the other 115 counties and county equivalents in Missouri 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 # 6 96th
Population Density # 5 97th
Diversity Index # 12 90th
Median Household Income # 4 97th
Per Capita Income # 4 97th

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