Johnson County KS Information


Johnson County Subdivisions

Johnson County KS Data & Demographics (As of July 1, 2018)


Total Population 601,230
Population in Households 596,064
Population in Familes 494,398
Population in Group Qrtrs 5,166
Population Density2 1,270
Diversity Index3 39


Median Household Income $83,232
Average Household Income $110,886
Per Capita Income $43,212


Total Housing Units 246,261 (100%)
Owner Occupied HU 157,411 (63.9%)
Renter Occupied HU 75,910 (30.8%)
Vacant Housing Units 12,940 ( 5.3%)
Median Home Value $240,642
Average Home Value $306,072


Total Households 233,321
Average Household Size 2.55
Family Households 157,649
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 1.22% 1.25%
Households 1.12% 1.19%
Families 1.0% 1.11%
Median Household Income   2.13%
Per Capita Income   2.11%


Johnson County KS - Peer Comparisons by Rank and Percentile

The table below compares Johnson County to the other 105 counties and county equivalents in Kansas 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 # 1 100th
Population Density # 1 100th
Diversity Index # 28 74th
Median Household Income # 1 100th
Per Capita Income # 1 100th

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