Iron County, Missouri

Iron County, Missouri, has 9,318 residents (July 2025 estimate). Its county seat is Ironton. It uses Central Time and covers 550 sq mi (1,425 km²) of land.

Kansas CitySt. LouisSpringfield
Iron County in Missouri
Madison CountyReynolds CountyIrontonViburnumPilot KnobArcadiaAnnapolis
Iron County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
9,318
Land area
550 sq mi (1,425 km²)
County seat or government
Ironton
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$48,850 ± $4,711
Median home value
$119,300 ± $6,146
Median rent, with utilities
$664 ± $52
Homes lived in by their owners
75.1% ± 3.4 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Farmington, MO micro area
Water area
1.8 sq mi (4.66 km²)
State
Missouri
County code (FIPS)
29093
Coordinates (central point)
37.625971, -90.699587

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 Iron 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. 655654,845 people
  2. 636503,600 people
  3. 636243,447 people
  4. 636211,632 people
  5. 636201,036 people
  6. 63623895 people
  7. 65566858 people
  8. 63654752 people
  9. 63663649 people
  10. 63656576 people
  11. 63631544 people
  12. 63636446 people
All 16
  1. 63625382 people
  2. 65440206 people
  3. 6543955 people
  4. 6367524 people

16 ZIP Code areas overlap Iron 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 Iron County, largest first

  1. Arcadia Township5,075 people
  2. Union Township1,318 people
  3. Iron Township1,308 people
  4. Dent Township893 people
  5. Kaolin Township439 people
  6. Liberty Township413 people

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

School districts in Iron County, largest first

  1. Arcadia Valley R-II School District5,287 people
  2. Valley R-VI School District2,492 people
  3. Iron County C-4 School District2,276 people
  4. Belleview R-III School District1,695 people
  5. South Iron County R-I School District1,599 people
  6. Lesterville R-IV School District1,248 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. Ironton, Missouri (city)1,692 people
  2. Viburnum, Missouri (city)803 people
  3. Pilot Knob, Missouri (city)653 people
  4. Arcadia, Missouri (city)586 people
  5. Annapolis, Missouri (city)427 people
  6. Des Arc, Missouri (village)181 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. St. Francois County, Missouri18 mi northeast
  2. Madison County, Missouri22 mi southeast
  3. Reynolds County, Missouri23 mi southwest
  4. Washington County, Missouri24 mi northwest
  5. Wayne County, Missouri38 mi south
  6. Crawford County, Missouri41 mi northwest
  7. Dent County, Missouri43 mi west

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.