Johnson County, Missouri

Johnson County, Missouri, has 56,670 residents (July 2025 estimate). Its county seat is Warrensburg. It uses Central Time and covers 829 sq mi (2,148 km²) of land.

Kansas CitySt. LouisSpringfield
Johnson County in Missouri
WarrensburgWhiteman AFBKnob NosterHoldenLeeton
Johnson County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
56,670
Land area
829 sq mi (2,148 km²)
County seat or government
Warrensburg
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$67,272 ± $2,697
Median home value
$235,700 ± $8,522
Median rent, with utilities
$932 ± $33
Homes lived in by their owners
63.5% ± 1.9 points
County type
County
Metro or micro area
Warrensburg, MO micro areaCentral county
Water area
3.93 sq mi (10.2 km²)
State
Missouri
County code (FIPS)
29101
Coordinates (central point)
38.741530, -93.811866

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Johnson County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6409328,199 people
  2. 6408014,007 people
  3. 640769,623 people
  4. 653366,519 people
  5. 640376,460 people
  6. 640406,379 people
  7. 653604,586 people
  8. 647474,201 people
  9. 640113,876 people
  10. 640703,479 people
  11. 653053,445 people
  12. 640613,161 people
All 19
  1. 640202,953 people
  2. 640192,385 people
  3. 653512,122 people
  4. 653321,949 people
  5. 647611,598 people
  6. 647331,112 people
  7. 64726278 people

19 ZIP Code areas overlap Johnson County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Johnson County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Johnson County, largest first

  1. Warrensburg Township23,560 people
  2. Washington Township8,939 people
  3. Jackson Township5,434 people
  4. Madison Township2,653 people
  5. Post Oak Township2,226 people
  6. Centerview Township1,745 people
  7. Kingsville Township1,708 people
  8. Hazel Hill Township1,591 people
  9. Montserrat Township1,429 people
  10. Columbus Township1,288 people
  11. Chilhowee Township1,241 people
  12. Rose Hill Township1,095 people
All 15
  1. Simpson Township742 people
  2. Grover Township587 people
  3. Jefferson Township494 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Missouri, by county

School districts in Johnson County, largest first

  1. Warrensburg R-VI School District25,919 people
  2. Odessa R-VII School District12,334 people
  3. Oak Grove R-VI School District11,803 people
  4. Knob Noster R-VIII School District9,798 people
  5. Holden R-III School District8,775 people
  6. Sherwood Cass R-VIII School District4,720 people
  7. Henry County R-I School District4,563 people
  8. Lone Jack C-6 School District3,727 people
  9. Concordia R-II School District3,599 people
  10. Johnson County R-VII School District3,295 people
  11. Sweet Springs R-VII School District2,486 people
  12. Kingsville R-I School District2,231 people
All 14
  1. Leeton R-X School District2,064 people
  2. Chilhowee R-IV School District1,143 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Warrensburg, Missouri (city)19,582 people
  2. Whiteman AFB, Missouri (CDP)3,517 people
  3. Knob Noster, Missouri (city)2,838 people
  4. Holden, Missouri (city)1,989 people
  5. Leeton, Missouri (city)660 people
  6. Kingsville, Missouri (city)360 people
  7. Centerview, Missouri (city)248 people
  8. Chilhowee, Missouri (town)232 people
  9. La Tour, Missouri (CDP)132 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lafayette County, Missouri23 mi north
  2. Henry County, Missouri25 mi south
  3. Pettis County, Missouri28 mi east
  4. Cass County, Missouri30 mi west
  5. Jackson County, Missouri34 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.