Madison County, Missouri
Madison County, Missouri, has 12,858 residents (July 2025 estimate). Its county seat is Fredericktown. It uses Central Time and covers 494 sq mi (1,280 km²) of land.
- Resident population, July 2025
- 12,858
- Land area
- 494 sq mi (1,280 km²)
- County seat or government
- Fredericktown
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $54,434 ± $4,204
- Median home value
- $159,000 ± $9,436
- Median rent, with utilities
- $808 ± $68
- Homes lived in by their owners
- 73.7% ± 2.4 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Farmington, MO micro area and Cape Girardeau, MO-IL metro area
- Water area
- 3.21 sq mi (8.32 km²)
- State
- Missouri
- County code (FIPS)
- 29123
- Coordinates (central point)
- 37.474481, -90.343413
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 Madison County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-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
- 6364511,554 people
- 636503,600 people
- 636551,639 people
- 636211,632 people
- 636201,036 people
- 63964733 people
- 63636446 people
7 ZIP Code areas overlap Madison 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 Madison County, largest first
- St. Michael Township7,721 people
- Castor Township1,205 people
- Marquand Township850 people
- Polk Township762 people
- Mine La Motte Township663 people
- Liberty Township436 people
- Central Township407 people
- Twelvemile Township327 people
- Big Creek Township194 people
- St. Francois Township164 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Missouri, by county
School districts in Madison County, largest first
- Fredericktown R-I School District11,483 people
- Clearwater R-I School District5,963 people
- Arcadia Valley R-II School District5,287 people
- Marquand-Zion R-VI School District1,317 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.
- Fredericktown, Missouri (city)4,507 people
- Junction City, Missouri (village)372 people
- Mine La Motte, Missouri (CDP)370 people
- Cobalt, Missouri (village)364 people
- Marquand, Missouri (city)187 people
- Cherokee Pass, Missouri (CDP)121 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Bollinger County, Missouri21 mi southeast
- Iron County, Missouri22 mi northwest
- St. Francois County, Missouri24 mi north
- Wayne County, Missouri26 mi south
- Perry County, Missouri34 mi northeast
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