COUNTY · 1990 CENSUS
Johnson County
Kansas · 355,054 residents · 473.614 sq mi
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Part of the Kansas City metro area
The short version
Johnson County is significantly wealthier than the US average, with a median household income of $42,741. Population has fallen 21% since 2000, a loss of 96,032 residents. 40% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $91,200. Poverty is rare here, at 3.6% of residents. Households here earn about 57% more than the Kansas median.
At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 32.9
US median: 33.0
More educated
40% hold a bachelor's degree
US average: 20%
More affordable
home values down 20%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
2024621K
Age distribution, 1990
Under 57.9%(27,990)
5 to 97.7%(27,293)
10 to 147.2%(25,639)
15 to 196.3%(22,193)
20 to 246%(21,207)
25 to 3419.1%(67,979)
35 to 4418.4%(65,301)
45 to 5410.6%(37,544)
55 to 647.5%(26,549)
65 to 745.8%(20,743)
75 to 842.7%(9,531)
85 and over0.9%(3,085)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$42,741
−8%inflation adjusted, since 2000
vs $61,455 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$91,200
−20%inflation adjusted, since 2000
vs $149,300 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Johnson County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic89%(401,428)
Black2.6%(11,568)
Hispanic / Latino4%(17,957)
Asian2.8%(12,697)
Other0%
1990
White, non-Hispanic95.6%(339,330)
Black1.9%(6,791)
Hispanic / Latino2%(6,986)
Asian1.5%(5,440)
Other1%(3,493)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican6.2%(38,316)
Central American1%(6,216)
South American0.8%(4,907)
Puerto Rican0.5%(3,056)
Guatemalan0.4%(2,247)
Honduran0.3%(1,645)
Salvadoran0.3%(1,623)
Venezuelan0.2%(1,346)
Cuban0.2%(1,304)
Spaniard0.2%(1,288)
Colombian0.2%(1,093)
Peruvian0.2%(937)
+ 10 more hispanic origin groups with data
Ecuadorian0.1%(899)
Dominican0.1%(607)
Argentine0.1%(326)
Panamanian0%(254)
Costa Rican0%(217)
Nicaraguan0%(204)
Uruguayan0%(82)
Paraguayan0%(51)
Bolivian0%(33)
Chilean0%(29)
Asian origin
Asian Indian2.2%(13,750)
Chinese0.9%(5,879)
Vietnamese0.4%(2,450)
Filipino0.3%(1,737)
Korean0.3%(1,610)
Pakistani0.2%(1,168)
Laotian0.1%(715)
Japanese0.1%(477)
Hmong0.1%(435)
Bangladeshi0.1%(425)
Taiwanese0.1%(414)
Nepalese0.1%(414)
+ 8 more asian origin groups with data
Thai0.1%(411)
Burmese0%(237)
Indonesian0%(208)
Cambodian0%(186)
Sri Lankan0%(144)
Malaysian0%(112)
Uzbek0%(37)
Kazakh0%(21)
Pacific Islander origin
Native Hawaiian0.1%(425)
Samoan0%(98)
Chamorro0%(81)
Marshallese0%(27)
Fijian0%(9)
Tongan0%(5)
Guamanian0%(4)
Ancestry
German23.7%(147,379)
English15.4%(95,717)
Irish14%(86,670)
American4.4%(27,173)
Italian3.2%(19,732)
Scottish2.2%(13,567)
French2.1%(12,787)
Swedish1.9%(12,099)
Polish1.9%(12,066)
Norwegian1.3%(8,034)
Subsaharan African1.2%(7,390)
Dutch1.2%(7,144)
+ 49 more ancestry groups with data
Scotch-Irish1%(6,171)
Welsh0.8%(4,960)
Russian0.7%(4,617)
Czech0.7%(4,362)
Arab0.6%(3,910)
Danish0.6%(3,800)
British0.5%(3,397)
Swiss0.5%(3,065)
Croatian0.5%(2,912)
Ethiopian0.4%(2,439)
Belgian0.3%(1,993)
French Canadian0.3%(1,845)
Kenyan0.3%(1,810)
Hungarian0.3%(1,785)
Ukrainian0.3%(1,691)
Austrian0.2%(1,473)
Lebanese0.2%(1,243)
Greek0.2%(1,241)
West Indian0.2%(1,150)
Iranian0.2%(1,011)
Canadian0.1%(878)
Lithuanian0.1%(857)
Portuguese0.1%(683)
Brazilian0.1%(657)
Finnish0.1%(641)
Slovak0.1%(606)
Slovene0.1%(565)
Nigerian0.1%(523)
Romanian0.1%(474)
Jamaican0.1%(459)
Jordanian0.1%(414)
Haitian0.1%(372)
Serbian0.1%(341)
Palestinian0.1%(316)
Turkish0%(291)
Iraqi0%(250)
Ghanaian0%(235)
Armenian0%(211)
Egyptian0%(196)
Latvian0%(135)
Israeli0%(127)
Syrian0%(121)
Moroccan0%(102)
Bulgarian0%(94)
Australian0%(88)
Trinidadian & Tobagonian0%(64)
Guyanese0%(38)
Macedonian0%(16)
Somali0%(5)
Section 05
Education
High school or higher
92.9%
−2.1 ptsvs 2000
vs 94.9% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married31.5%(77,454)
Married58.9%(145,001)
Widowed1.9%(4,702)
Divorced7.8%(19,103)
Women 15+
Never married25.9%(66,165)
Married56.2%(143,353)
Widowed6.4%(16,308)
Divorced11.5%(29,391)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper
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Pop 611,708
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Compare Johnson County to nearby counties
JOHNSON COUNTY VS
Wyandotte County
Income$63,631+49%
Home value$172,300+89%
Population170,597−73%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Miami County
Income$89,000+108%
Home value$287,700+215%
Population36,240−94%
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JOHNSON COUNTY VS
Leavenworth County
Income$89,218+109%
Home value$282,900+210%
Population84,590−87%
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JOHNSON COUNTY VS
Douglas County
Income$69,746+63%
Home value$309,400+239%
Population120,920−81%
SEE FULL COMPARISON →
Frequently asked
How many people live in Johnson County, Kansas?
Johnson County, Kansas has about 355,054 residents according to the 1990 Census.
What is the median household income in Johnson County, Kansas?
The typical household in Johnson County, Kansas earns about $42,741 a year. Half of households make more than that, and half make less.
Is Johnson County, Kansas expensive?
In Johnson County, Kansas, the median home is worth about $91,200, and the typical rent is about $515 a month.
How educated are people in Johnson County, Kansas?
About 40.5% of adults age 25 and over in Johnson County, Kansas hold a bachelor's degree or higher.
What is the poverty rate in Johnson County, Kansas?
About 3.6% of people in Johnson County, Kansas live below the federal poverty line.
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154 census tracts (top 20 by population)
Census Tract 538.01Census Tract 526.13Census Tract 528.05Census Tract 537.09Census Tract 533.02Census Tract 519.09Census Tract 534.27Census Tract 532.03Census Tract 526.09Census Tract 526.08Census Tract 535.09Census Tract 528.04Census Tract 519.04Census Tract 518.05Census Tract 538.04Census Tract 530.10Census Tract 535.08Census Tract 535.07Census Tract 516Census Tract 526.1032 ZIP codes (top 30 by population)
ZIP 66062ZIP 66061ZIP 66212ZIP 66213ZIP 66030ZIP 66215ZIP 66221ZIP 66216ZIP 66223ZIP 66208ZIP 66209ZIP 66210ZIP 66203ZIP 66204ZIP 66202ZIP 66226ZIP 66207ZIP 66205ZIP 66219ZIP 66224ZIP 66214ZIP 66206ZIP 66085ZIP 66227ZIP 66218ZIP 66220ZIP 66018ZIP 66211ZIP 66217ZIP 66021Up the hierarchy
All counties in KansasDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024