COUNTY · 1990 CENSUS
Johnson County
Missouri · 42,514 residents · 829.261 sq mi
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Part of the Warrensburg micropolitan area
The short version
Johnson County has lower-than-average household income, with a median household income of $23,044. Population has declined 12% since 2000. Median home value is $54,900. At a median age of 26.2, residents skew younger than the country as a whole.
At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 26.2
US median: 33.0
Average education
21% hold a bachelor's degree
US average: 20%
More affordable
home values down 18%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
202455K
Age distribution, 1990
Under 57.6%(3,224)
5 to 97.3%(3,086)
10 to 146.2%(2,655)
15 to 1911.3%(4,797)
20 to 2415.3%(6,500)
25 to 3416.8%(7,147)
35 to 4410.9%(4,627)
45 to 548.9%(3,793)
55 to 646.4%(2,734)
65 to 744.9%(2,100)
75 to 843.2%(1,347)
85 and over1.2%(504)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$23,044
−14%inflation adjusted, since 2000
vs $35,391 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$54,900
−18%inflation adjusted, since 2000
vs $88,000 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-Hispanic88.7%(42,803)
Black4.3%(2,064)
Hispanic / Latino2.9%(1,407)
Asian1.4%(687)
Other0%
1990
White, non-Hispanic91.4%(38,838)
Black5.9%(2,526)
Hispanic / Latino1.5%(658)
Asian1.4%(587)
Other1.3%(563)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican3%(1,661)
Puerto Rican0.5%(288)
South American0.5%(269)
Central American0.4%(240)
Colombian0.3%(147)
Salvadoran0.2%(114)
Guatemalan0.2%(109)
Cuban0.1%(45)
Uruguayan0.1%(41)
Chilean0.1%(40)
Spaniard0.1%(36)
Ecuadorian0%(21)
+ 2 more hispanic origin groups with data
Peruvian0%(20)
Nicaraguan0%(17)
Asian origin
Asian Indian0.5%(256)
Filipino0.3%(189)
Korean0.3%(165)
Japanese0.2%(100)
Vietnamese0.1%(43)
Chinese0%(21)
Thai0%(17)
Nepalese0%(12)
Ancestry
German19.2%(10,533)
English12.2%(6,686)
Irish11%(6,021)
American7.1%(3,910)
Italian2.7%(1,461)
Scottish2.2%(1,201)
Scotch-Irish1.5%(800)
French1.4%(748)
Dutch1.4%(745)
Polish1.2%(661)
Subsaharan African0.8%(446)
Norwegian0.8%(431)
+ 35 more ancestry groups with data
Swedish0.7%(389)
British0.4%(243)
Kenyan0.4%(211)
Swiss0.4%(209)
Czech0.3%(187)
Welsh0.3%(173)
Hungarian0.3%(165)
Croatian0.2%(109)
Greek0.2%(104)
Ukrainian0.2%(98)
Russian0.2%(92)
Danish0.2%(90)
Romanian0.2%(84)
Arab0.1%(76)
French Canadian0.1%(66)
West Indian0.1%(61)
Portuguese0.1%(51)
Canadian0.1%(45)
Haitian0.1%(44)
Slovak0.1%(39)
Belgian0.1%(33)
Lebanese0.1%(30)
Ethiopian0%(27)
Slovene0%(25)
Lithuanian0%(23)
Israeli0%(22)
Latvian0%(21)
Serbian0%(17)
Jamaican0%(17)
Finnish0%(16)
Egyptian0%(14)
Nigerian0%(12)
Austrian0%(11)
Ghanaian0%(9)
Bulgarian0%(6)
Section 05
Education
High school or higher
80.7%
−5.3 ptsvs 2000
vs 86.0% 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 married39.4%(8,997)
Married49.1%(11,207)
Widowed2.1%(473)
Divorced9.4%(2,139)
Women 15+
Never married32.9%(7,122)
Married49.2%(10,669)
Widowed7.7%(1,665)
Divorced10.2%(2,212)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Johnson County to nearby counties
JOHNSON COUNTY VS
Lafayette County
Income$80,612+250%
Home value$216,500+294%
Population33,531−41%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Henry County
Income$57,926+151%
Home value$160,600+193%
Population22,671−60%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Pettis County
Income$60,430+162%
Home value$166,300+203%
Population44,254−22%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Cass County
Income$87,535+280%
Home value$292,400+433%
Population115,859+104%
SEE FULL COMPARISON →
Frequently asked
How many people live in Johnson County, Missouri?
Johnson County, Missouri has about 42,514 residents according to the 1990 Census.
What is the median household income in Johnson County, Missouri?
The typical household in Johnson County, Missouri earns about $23,044 a year. Half of households make more than that, and half make less.
Is Johnson County, Missouri expensive?
In Johnson County, Missouri, the median home is worth about $54,900, and the typical rent is about $341 a month.
How educated are people in Johnson County, Missouri?
About 21.4% of adults age 25 and over in Johnson County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Johnson County, Missouri?
About 15.4% of people in Johnson County, Missouri live below the federal poverty line.
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14 census tracts
Census Tract 9601.01Census Tract 9603.01Census Tract 9609Census Tract 9602Census Tract 9605.02Census Tract 9604.01Census Tract 9603.02Census Tract 9800Census Tract 9607.02Census Tract 9606Census Tract 9604.02Census Tract 9605.01Census Tract 9601.02Census Tract 9607.01Up the hierarchy
All counties in MissouriDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024