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Where am ILOCATED

Madison County, Ohio

Madison County, Ohio, has 46,985 residents (July 2025 estimate). Its county seat is London. It uses Eastern Time and covers 467 sq mi (1,209 km²) of land.

ColumbusClevelandCincinnati
Madison County in Ohio
Clark CountyFranklin CountyLondonWest JeffersonPlain CityMount Sterling
Madison County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
46,985
Land area
467 sq mi (1,209 km²)
County seat or government
London
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$87,045 ± $4,302
Median home value
$250,100 ± $11,895
Median rent, with utilities
$943 ± $51
Homes lived in by their owners
77.5% ± 2.2 points
County type
County
Metro or micro area
Columbus, OH metro areaOutlying county
Water area
0.82 sq mi (2.13 km²)
State
Ohio
County code (FIPS)
39097
Coordinates (central point)
39.896610, -83.400887
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 Madison County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 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. 4302665,238 people
  2. 4311929,660 people
  3. 4314024,237 people
  4. 4306418,143 people
  5. 4314613,387 people
  6. 431626,896 people
  7. 431435,803 people
  8. 430444,964 people
  9. 453694,120 people
  10. 431531,112 people
  11. 43029544 people
  12. 43151233 people

12 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

  1. Jefferson Township7,489 people
  2. Union Township5,619 people
  3. Darby Township4,417 people
  4. Pleasant Township3,328 people
  5. Somerford Township3,088 people
  6. Canaan Township2,689 people
  7. Fairfield Township1,714 people
  8. Monroe Township1,430 people
  9. Deer Creek Township981 people
  10. Range Township840 people
  11. Stokes Township709 people
  12. Paint Township694 people
All 14
  1. Pike Township475 people
  2. Oak Run Township466 people

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

School districts in Madison County, largest first

  1. Miami Trace Local School District15,526 people
  2. London City School District14,848 people
  3. Madison-Plains Local School District13,277 people
  4. Jonathan Alder Local School District11,831 people
  5. Westfall Local School District8,536 people
  6. Jefferson Local School District7,477 people
  7. Fairbanks Local School District7,244 people
  8. Mechanicsburg Exempted Village School District4,479 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. London, Ohio (city)10,484 people
  2. West Jefferson, Ohio (village)4,392 people
  3. Plain City, Ohio (village)3,829 people
  4. Choctaw Lake, Ohio (CDP)1,985 people
  5. Mount Sterling, Ohio (village)1,737 people
  6. Plumwood, Ohio (CDP)346 people
  7. South Solon, Ohio (village)344 people
  8. Midway, Ohio (village)233 people
  9. Lafayette, Ohio (CDP)164 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clark County, Ohio20 mi west
  2. Franklin County, Ohio21 mi east
  3. Fayette County, Ohio24 mi south
  4. Pickaway County, Ohio25 mi southeast
  5. Champaign County, Ohio25 mi northwest
  6. Union County, Ohio28 mi north
  7. Greene County, Ohio30 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.