County · Missouri
Johnson County, Missouri
Johnson County, Missouri. Johnson County had 56,670 residents in 2025 by the Census Bureau's estimate, up 4.9% since 2020, faster than Missouri (+1.9%). It holds 9 places (7 cities, villages and boroughs and 2 census-designated) and 14 census tracts. GEOID 29101.
Johnson County is the county of the Warrensburg, MO micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
56,670
Census Bureau estimate (no margin published)
2020 Census count: 54,013 · ACS 2020-2024: 54,732
Median household income
$67,272
±$2,697 (90% margin)
Missouri: $70,702
Median home value
$235,700
±$8,522 (90% margin)
Missouri: $230,300
Median gross rent
$932
±$33 (90% margin)
Missouri: $1,033
How many people live in Johnson County, and is it growing?
The 2020 Census counted 54,013 residents in Johnson County. The Census Bureau estimates 56,670 for July 1, 2025, up 4.9% since 2020, faster than Missouri (+1.9%). The 2020-2024 American Community Survey puts the population at 54,732 over 829 square miles of land.
| Measure | Johnson County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Total population | 54,732 | 6,191,814 | +1,050 |
| Households | 21,087±318 | 2,508,227 | +1,223 |
| Average household size | 2.41±0.04 | 2.40 | no clear change |
| Housing units | 22,731±46 | 2,825,287 | +451 |
Johnson County's population since 2000
From 48,258 in 2000 to 56,670 in 2025: up 17.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Johnson County?
Johnson County holds 9 places: 7 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Warrensburg with 20,283 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Warrensburg | 19,337 | $57,067 |
|---|---|---|
| Whiteman AFB | 2,896 | $54,641 |
| Knob Noster | 2,782 | $62,353 |
| Holden | 2,210 | $63,056 |
| Leeton | 532 | $51,917 |
| Chilhowee | 291 | $56,458 |
| KingsvilleGEOID 2938918 | 245 | $67,171 |
| CenterviewGEOID 2912682 | 189 | $60,000 |
| La TourGEOID 2940880 | 65 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Johnson County?
The median resident of Johnson County is 31.5 years old; 22.1% are under 18 and 13.1% are 65 or older. The largest group is non-Hispanic white residents at 83.7%, then Hispanic or Latino residents (of any race) at 5.2%. 3.0% of residents were born outside the United States.
| Measure | Johnson County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median age | 31.5±0.2 | 39.0 | +1.0 |
| Under 18 years | 22.1%±0.1 pts | 22.3% | – |
| 65 years and over | 13.1%±0.2 pts | 17.9% | – |
| Hispanic or Latino (any race) | 5.2% | 5.2% | +0.8 pts |
| White alone, not Hispanic | 83.7%±0.4 pts | 76.3% | −2.1 pts |
| Black or African American alone, not Hispanic | 4.3%±0.4 pts | 10.9% | no clear change |
| Asian alone, not Hispanic | 1.5%±0.2 pts | 2.1% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.4%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.3%±0.6 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.5%±0.4 pts | 0.4% | – |
| Born outside the United States | 3.0%±0.6 pts | 4.5% | no clear change |
| Speak a language other than English at home (age 5+) | 4.9%±0.7 pts | 6.7% | – |
| Civilian veterans (age 18+) | 13.3%±1.5 pts | 7.3% | – |
| With a disability | 13.9%±1.3 pts | 14.9% | – |
| No health insurance coverage | 8.5%±1.4 pts | 8.8% | no clear change |
| High school graduate or higher (age 25+) | 93.2%±1.0 pts | 91.9% | – |
| Bachelor's degree or higher (age 25+) | 29.1%±2.2 pts | 32.4% | no clear change |
| Graduate or professional degree (age 25+) | 11.2%±1.3 pts | 12.6% | – |
| Moved from another state in the past year | 4.0%±0.8 pts | 2.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Johnson County earn?
Half of Johnson County's 21,087 households earn less than $67,272 a year (±$2,697), against $70,702 in Missouri. In 2015-2019 it was $68,024 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.8% of residents live below the poverty line.
| Measure | Johnson County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $67,272±$2,697 | $70,702 | no clear change |
| Mean household income | $83,022±$3,672 | $96,247 | – |
| Per capita income | $32,773±$1,252 | $39,695 | no clear change |
| People below the poverty line | 11.8%±1.9 pts | 12.6% | −2.7 pts |
| Children under 18 below the poverty line | 12.5%±3.8 pts | 15.8% | no clear change |
| Households receiving SNAP | 6.4%±1.2 pts | 9.8% | – |
| Households with a broadband subscription | 90.5%±1.9 pts | 89.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Johnson County?
Owners occupy 63.5% of Johnson County's occupied homes and renters 36.5%. The median owner-occupied home is valued at $235,700 by its owner (±$8,522). The median renter pays $932 a month including utilities, and 31.2% of renters pay 35% or more of their income on rent.
| Measure | Johnson County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $235,700±$8,522 | $230,300 | +$43,096 |
| Median gross rent | $932±$33 | $1,033 | −$60 |
| Renters paying 35% or more of income on rent | 31.2%±4.3 pts | 36.6% | −6.3 pts |
| Median monthly owner costs, with a mortgage | $1,488±$45 | $1,524 | – |
| Owner-occupied homes | 63.5%±2.1 pts | 68.1% | no clear change |
| Housing units | 22,731±46 | 2,825,287 | +451 |
| Homeowner vacancy rate | 1.4%±0.9 pts | 0.9% | – |
| Rental vacancy rate | 2.3%±1.4 pts | 5.0% | – |
| Single-family detached homes | 68.0%±2.1 pts | 70.5% | – |
| Mobile homes | 7.1%±1.6 pts | 5.2% | – |
| Built 2020 or later | 1.7%±0.5 pts | 1.6% | – |
| Built 1939 or earlier | 8.6%±1.4 pts | 13.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Johnson County building?
Builders took permits for 113 new housing units across Johnson County in 2025 (33 single-family), 2.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Johnson County get to work?
79.1% of Johnson County's workers drive alone and 7.0% work from home. The average trip to work takes 23.7 minutes. The unemployment rate in 2020-2024 averaged 4.7%.
| Measure | Johnson County | Missouri | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.3%±1.3 pts | 63.1% | – |
| Unemployment rate | 4.7%±1.0 pts | 4.0% | no clear change |
| Drove alone to work | 79.1%±1.9 pts | 74.8% | – |
| Carpooled | 8.5%±1.3 pts | 8.1% | – |
| Public transportation | 0.2%±0.2 pts | 0.8% | – |
| Walked | 4.2%±0.9 pts | 1.8% | – |
| Worked from home | 7.0%±1.1 pts | 13.0% | +1.8 pts |
| Mean travel time to work | 23.7 min±1.1 | 23.5 min | +2.2 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Johnson County's census tracts?
Johnson County is divided into 14 census tracts. Among those with a reliable estimate, median household income runs from $39,517 (Tract 9604.01) to $88,646 (Tract 9601.01).
| Tract 9601.0129101960101 | 6,046±616 | $88,646 |
|---|---|---|
| Tract 9601.0229101960102 | 2,998±589 | $76,818 |
| Tract 960229101960200 | 5,030±630 | $73,250 |
| Tract 9603.0129101960301 | 5,593±586 | $77,521 |
| Tract 9603.0229101960302 | 3,623±344 | $72,113 |
| Tract 9604.0129101960401 | 3,768±341 | $39,517 |
| Tract 9604.0229101960402 | 3,218±375 | $42,464 |
| Tract 9605.0129101960501 | 3,133±349 | $72,462 |
| Tract 9605.0229101960502 | 3,964±406 | $69,023 |
| Tract 960629101960600 | 3,257±427 | $46,747 |
| Tract 9607.0129101960701 | 2,126±234 | $62,353 |
| Tract 9607.0229101960702 | 3,386±448 | $66,985 |
| Tract 960929101960900 | 5,073±524 | $80,294 |
| Tract 980029101980000 | 3,517±321 | $54,641 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Johnson County compare with Missouri's other counties?
| Measure | Rank |
|---|---|
| Population | 21st of 115 |
| Growth 2020-2025 | 20th of 115 |
| Residents per square mile | 29th of 115 |
| Median household income | 26th of 115 |
| Median home value | 13th of 115 |
| Median gross rent | 18th of 115 |
| Poverty rate | 86th of 115 |
| Bachelor's degree or higher | 15th of 115 |
| Median age | 113th of 115 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Johnson County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.