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Where am ILOCATED

Warren County, Missouri

Warren County, Missouri, has 39,016 residents (July 2025 estimate). Its county seat is Warrenton. It uses Central Time and covers 429 sq mi (1,110 km²) of land.

Kansas CitySt. LouisSpringfield
Warren County in Missouri
Montgomery CountySt. Charles CountyWarrentonMarthasvilleForistell
Warren County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
39,016
Land area
429 sq mi (1,110 km²)
County seat or government
Warrenton
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$81,209 ± $5,304
Median home value
$260,400 ± $11,232
Median rent, with utilities
$995 ± $130
Homes lived in by their owners
80.2% ± 2.5 points
County type
County
Metro or micro area
St. Louis, MO-IL metro areaOutlying county
Water area
9.12 sq mi (23.6 km²)
State
Missouri
County code (FIPS)
29219
Coordinates (central point)
38.761902, -91.159306
Open this point in the location finder

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 Warren 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. 6338316,927 people
  2. 6339010,970 people
  3. 6334810,394 people
  4. 633576,536 people
  5. 650415,626 people
  6. 633492,149 people
  7. 633511,389 people
  8. 63380990 people
  9. 63363949 people
  10. 63381618 people

10 ZIP Code areas overlap Warren 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 Warren County, largest first

  1. Hickory Grove Township11,639 people
  2. North Elkhorn Township8,549 people
  3. South Elkhorn Township7,536 people
  4. Charrette Township7,045 people
  5. Pinckney Township1,074 people
  6. Camp Branch Township920 people
  7. Bridgeport Township414 people

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

School districts in Warren County, largest first

  1. Troy R-III School District42,437 people
  2. Washington School District34,631 people
  3. Warren County R-III School District20,556 people
  4. Wright City R-II of Warren County12,801 people
  5. Montgomery County R-II School District7,842 people
  6. Gasconade County R-I School District7,141 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. Warrenton, Missouri (city)9,066 people
  2. Wright City, Missouri (city)5,240 people
  3. Marthasville, Missouri (city)2,328 people
  4. Foristell, Missouri (city)1,096 people
  5. Truesdale, Missouri (city)990 people
  6. Innsbrook, Missouri (village)843 people
  7. Pendleton, Missouri (village)23 people
  8. Three Creeks, Missouri (village)3 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Montgomery County, Missouri20 mi northwest
  2. Lincoln County, Missouri23 mi northeast
  3. Franklin County, Missouri25 mi south
  4. St. Charles County, Missouri26 mi east
  5. Gasconade County, Missouri29 mi southwest

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.