Johnson County, Kansas demographics
Population: 605,154
Median age: 37.9
Median household income: 96,059
Demographics, population, home values, social and economic characteristics of Johnson County, Kansas.
Population
| 2021 | 605,154 |
| 2020 | 597,574 |
| 2019 | 591,506 |
| 2018 | 585,502 |
| 2017 | 578,797 |
| 2016 | 572,428 |
| 2015 | 566,814 |
| 2014 | 560,025 |
| 2013 | 552,947 |
| 2012 | 546,046 |
| 2011 | 538,836 |
| 2010 | 531,228 |
| 2009 | 525,108 |
Johnson County, KS cities
Bonner Springs city - 7,858
De Soto city - 6,160
Edgerton city - 1,901
Fairway city - 4,147
Gardner city - 23,065
Lake Quivira city - 976
Leawood city - 33,748
Lenexa city - 56,755
Merriam city - 11,110
Mission city - 9,884
Mission Hills city - 3,579
Mission Woods city - 163
Olathe city - 140,339
Overland Park city - 195,249
Prairie Village city - 22,812
Roeland Park city - 6,871
Shawnee city - 67,021
Spring Hill city - 7,883
Westwood city - 1,834
Westwood Hills city - 452
Census data for Johnson County, Kansas
Demographic and housing estimates in Johnson County, Kansas
| Total population | 605,154 |
| Male | 298,675 |
| Female | 306,479 |
| Total population | 605,154 |
| Under 5 years | 37,264 |
| 5 to 9 years | 41,907 |
| 10 to 14 years | 41,593 |
| 15 to 19 years | 39,608 |
| 20 to 24 years | 34,414 |
| 25 to 34 years | 81,936 |
| 35 to 44 years | 86,199 |
| 45 to 54 years | 78,102 |
| 55 to 59 years | 38,883 |
| 60 to 64 years | 36,687 |
| 65 to 74 years | 54,575 |
| 75 to 84 years | 22,665 |
| 85 years and over | 11,321 |
| Median age (years) | 37.9 |
| Under 18 years | 146,832 |
| 16 years and over | 476,058 |
| 18 years and over | 458,322 |
| 21 years and over | 439,427 |
| 62 years and over | 110,582 |
| 65 years and over | 88,561 |
| Total population | 605,154 |
| One race | 577,062 |
| White | 504,478 |
| Black or African American | 29,187 |
| American Indian and Alaska Native | 1,381 |
| Asian | 32,228 |
| Native Hawaiian and Other Pacific Islander | 184 |
| Some other race | 9,604 |
| Two or more races | 28,092 |
| Citizen, VOTING AGE 18 and over population | 434,483 |
| Male Citizen, VOTING AGE 18 and over population | 211,260 |
| Female Citizen, VOTING AGE 18 and over population | 223,223 |
Social characteristics in Johnson County, Kansas
| Total households | 237,949 |
| Family households (families) | 133,112 |
| Married-couple family | 13,150 |
| Male householder, no wife present, family | 36,649 |
| Female householder, no husband present, family | 26,447 |
| Nonfamily households | 55,038 |
| Average household size | 62,666 |
| Average family size | 2.52 |
Economic characteristics in Johnson County, Kansas
| Total households | 237,949 |
| Less than $10,000 | 6,352 |
| $10,000 to $14,999 | 3,846 |
| $15,000 to $24,999 | 9,703 |
| $25,000 to $34,999 | 13,056 |
| $35,000 to $49,999 | 20,998 |
| $50,000 to $74,999 | 36,328 |
| $75,000 to $99,999 | 33,732 |
| $100,000 to $149,999 | 48,966 |
| $150,000 to $199,999 | 28,234 |
| $200,000 or more | 36,734 |
| Median household income (dollars) | 96,059 |
Housing characteristics in Johnson County, Kansas
| Total housing units | 248,854 |
| Occupied housing units | 237,949 |
| Vacant housing units | 10,905 |
| Total housing units | 248,854 |
| 1-unit, detached | 167,138 |
| 1-unit, attached | 20,525 |
| 2 units | 2,191 |
| 3 or 4 units | 9,407 |
| 5 to 9 units | 18,082 |
| 10 to 19 units | 12,529 |
| 20 or more units | 17,313 |
| Mobile home | 1,532 |
| Boat, RV, van, etc. | 137 |
| Total housing units | 248,854 |
| Built 2014 or later | 424 |
| Built 2010 to 2013 | 24,625 |
| Built 2000 to 2009 | 39,986 |
| Built 1990 to 1999 | 47,061 |
| Built 1980 to 1989 | 40,124 |
| Built 1970 to 1979 | 34,644 |
| Built 1960 to 1969 | 24,113 |
| Built 1950 to 1959 | 23,278 |
| Built 1940 to 1949 | 6,542 |
| Built 1939 or earlier | 8,057 |
| Total housing units | 248,854 |
| 1 room | 3,524 |
| 2 rooms | 8,311 |
| 3 rooms | 19,097 |
| 4 rooms | 26,138 |
| 5 rooms | 29,304 |
| 6 rooms | 33,135 |
| 7 rooms | 33,200 |
| 8 rooms | 32,994 |
| 9 rooms or more | 63,151 |
| Median rooms | 6.6 |
| Total housing units | 248,854 |
| No bedroom | 3,799 |
| 1 bedroom | 26,457 |
| 2 bedrooms | 45,107 |
| 3 bedrooms | 70,831 |
| 4 bedrooms | 80,260 |
| 5 or more bedrooms | 22,400 |
| Occupied housing units | 237,949 |
| Owner-occupied | 164,640 |
| Renter-occupied | 73,309 |
| Average household size of owner-occupied unit | 2.74 |
| Average household size of renter-occupied unit | 2.03 |
| Occupied housing units | 237,949 |
| Moved in 2017 or later | 26,184 |
| Moved in 2015 to 2016 | 76,509 |
| Moved in 2010 to 2014 | 40,653 |
| Moved in 2000 to 2009 | 50,341 |
| Moved in 1990 to 1999 | 24,971 |
| Moved in 1989 and earlier | 19,291 |
| Owner-occupied units | 164,640 |
| Less than $50,000 | 3,204 |
| $50,000 to $99,999 | 2,174 |
| $100,000 to $149,999 | 9,888 |
| $150,000 to $199,999 | 19,282 |
| $200,000 to $299,999 | 50,567 |
| $300,000 to $499,999 | 54,956 |
| $500,000 to $999,999 | 21,159 |
| $1,000,000 or more | 3,410 |
| Median (dollars) | 294,300 |
| Owner-occupied units | 164,640 |
| Housing units with a mortgage | 115,110 |
| Housing units without a mortgage | 49,530 |
| Occupied units paying rent | 71,352 |
| Less than $500 | 1,618 |
| $500 to $999 | 18,301 |
| $1,000 to $1,499 | 33,057 |
| $1,500 to $1,999 | 12,377 |
| $2,000 to $2,499 | 3,396 |
| $2,500 to $2,999 | 1,078 |
| $3,000 or more | 1,525 |
| Median (dollars) | 1,201 |
| No rent paid | 1,957 |
Demographic data for Johnson County, KS and each city in the county. Lists of cities by population, wealth and poverty in Johnson County, KS.
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