Barton County, Missouri

Barton County, Missouri, has 11,795 residents (July 2025 estimate). Its county seat is Lamar. It uses Central Time and covers 592 sq mi (1,533 km²) of land.

Kansas CitySt. LouisSpringfield
Barton County in Missouri
LamarLiberalGolden CityMindenminesIantha
Barton County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
11,795
Land area
592 sq mi (1,533 km²)
County seat or government
Lamar
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$51,635 ± $5,457
Median home value
$136,500 ± $28,748
Median rent, with utilities
$805 ± $58
Homes lived in by their owners
68.1% ± 4.5 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Pittsburg, KS micro area and Joplin, MO-KS metro area
Water area
4.69 sq mi (12.2 km²)
State
Missouri
County code (FIPS)
29011
Coordinates (central point)
37.500910, -94.344059

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 Barton 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. 647598,310 people
  2. 648553,039 people
  3. 647552,332 people
  4. 647621,379 people
  5. 647841,359 people
  6. 648321,286 people
  7. 647481,105 people
  8. 64769459 people

8 ZIP Code areas overlap Barton 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

Barton 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 Barton County, largest first

  1. City Township4,284 people
  2. Lamar Township1,524 people
  3. Golden City Township949 people
  4. Ozark Township896 people
  5. Union Township780 people
  6. South West Township763 people
  7. Newport Township486 people
  8. Central Township340 people
  9. Richland Township307 people
  10. Nashville Township302 people
  11. Leroy Township296 people
  12. Doylesport Township294 people
All 15
  1. Northfork Township235 people
  2. Barton City Township118 people
  3. Milford Township116 people

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

School districts in Barton County, largest first

  1. Lamar R-I School District7,082 people
  2. Liberal R-II School District2,953 people
  3. Jasper County R-V School District2,792 people
  4. Golden City R-III School District1,443 people
  5. Bronaugh R-VII School District1,138 people
  6. Sheldon R-VIII School District971 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. Lamar, Missouri (city)4,284 people
  2. Liberal, Missouri (city)747 people
  3. Golden City, Missouri (city)708 people
  4. Mindenmines, Missouri (city)312 people
  5. Iantha, Missouri (CDP)124 people
  6. Lamar Heights, Missouri (city)111 people
  7. Milford, Missouri (village)54 people
  8. Irwin, Missouri (CDP)43 people
  9. Burgess, Missouri (CDP)24 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Jasper County, Missouri20 mi south
  2. Vernon County, Missouri24 mi north
  3. Dade County, Missouri27 mi east
  4. Crawford County, Kansas28 mi west
  5. Cedar County, Missouri31 mi northeast

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.