Caldwell County, Missouri

Caldwell County, Missouri, has 9,012 residents (July 2025 estimate). Its county seat is Kingston. It uses Central Time and covers 426 sq mi (1,104 km²) of land.

Kansas CitySt. LouisSpringfield
Caldwell County in Missouri
CameronHamiltonBraymerKidderBreckenridge
Caldwell County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
9,012
Land area
426 sq mi (1,104 km²)
County seat or government
Kingston
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$64,806 ± $4,272
Median home value
$166,500 ± $9,951
Median rent, with utilities
$640 ± $51
Homes lived in by their owners
78.2% ± 2.3 points
County type
County
Metro or micro area
Kansas City, MO-KS metro areaOutlying county
Water area
3.24 sq mi (8.4 km²)
State
Missouri
County code (FIPS)
29025
Coordinates (central point)
39.658998, -93.979179

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 Caldwell 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. 6442911,449 people
  2. 640626,968 people
  3. 644653,947 people
  4. 646442,923 people
  5. 646711,986 people
  6. 646241,489 people
  7. 64649814 people
  8. 64625738 people
  9. 64650665 people
  10. 64637492 people

10 ZIP Code areas overlap Caldwell 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

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Caldwell County, largest first

  1. Hamilton Township2,107 people
  2. Grant Township1,478 people
  3. Davis Township1,124 people
  4. Kidder Township1,053 people
  5. Kingston Township751 people
  6. Breckenridge Township644 people
  7. Rockford Township514 people
  8. Lincoln Township388 people
  9. Gomer Township265 people
  10. Mirabile Township265 people
  11. New York Township197 people
  12. Fairview Township141 people

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

School districts in Caldwell County, largest first

  1. Cameron R-I School District11,357 people
  2. Lathrop R-II School District4,605 people
  3. Hamilton R-II School District3,644 people
  4. Polo R-VII School District2,014 people
  5. Braymer C-4 School District1,678 people
  6. Southwest Livingston County R-I School District1,008 people
  7. Breckenridge R-I School District729 people
  8. Mirabile C-1 School District452 people
  9. Kingston 42 School District402 people
  10. Cowgill R-VI School District356 people
  11. New York R-IV School District210 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. Cameron, Missouri (city)8,519 people
  2. Hamilton, Missouri (city)1,755 people
  3. Braymer, Missouri (city)795 people
  4. Kidder, Missouri (city)501 people
  5. Breckenridge, Missouri (city)485 people
  6. Polo, Missouri (city)480 people
  7. Kingston, Missouri (city)271 people
  8. Cowgill, Missouri (city)176 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Daviess County, Missouri21 mi north
  2. Clinton County, Missouri22 mi west
  3. Ray County, Missouri24 mi south
  4. Livingston County, Missouri24 mi east
  5. DeKalb County, Missouri28 mi northwest
  6. Carroll County, Missouri30 mi southeast

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.