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Where am ILOCATED

Franklin County, Ohio

Franklin County, Ohio, has 1,361,536 residents (July 2025 estimate). Its county seat is Columbus. It uses Eastern Time and covers 532 sq mi (1,379 km²) of land.

ClevelandCincinnati
Franklin County in Ohio
Madison CountyColumbusDublinGrove CityReynoldsburgWesterville
Franklin County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
1,361,536
Land area
532 sq mi (1,379 km²)
County seat or government
Columbus
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$75,176 ± $980
Median home value
$288,400 ± $2,726
Median rent, with utilities
$1,302 ± $9
Homes lived in by their owners
52.8% ± 0.5 points
County type
County
Metro or micro area
Columbus, OH metro areaCentral county
Water area
11.2 sq mi (29 km²)
State
Ohio
County code (FIPS)
39049
Coordinates (central point)
39.969875, -83.009086
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 Franklin 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. 4312367,626 people
  2. 4302665,238 people
  3. 4308165,020 people
  4. 4306860,148 people
  5. 4322859,077 people
  6. 4323058,076 people
  7. 4322955,020 people
  8. 4323247,364 people
  9. 4320747,272 people
  10. 4314746,963 people
  11. 4306546,679 people
  12. 4301646,362 people
All 50
  1. 4323544,589 people
  2. 4322444,319 people
  3. 4311043,544 people
  4. 4320442,962 people
  5. 4301741,613 people
  6. 4321336,273 people
  7. 4322135,293 people
  8. 4320134,322 people
  9. 4321932,338 people
  10. 4300431,477 people
  11. 4311929,660 people
  12. 4322028,792 people
  13. 4320928,193 people
  14. 4322328,187 people
  15. 4305427,594 people
  16. 4321426,776 people
  17. 4308526,601 people
  18. 4322725,358 people
  19. 4314024,237 people
  20. 4321223,405 people
  21. 4323123,009 people
  22. 4321122,313 people
  23. 4320621,996 people
  24. 4320220,854 people
  25. 4306418,143 people
  26. 4321517,836 people
  27. 4312514,803 people
  28. 4314613,387 people
  29. 4320512,618 people
  30. 4321012,164 people
  31. 432038,618 people
  32. 432224,819 people
  33. 431372,415 people
  34. 432172,091 people
  35. 430021,205 people
  36. 43126306 people
  37. 43109152 people
  38. 432180 people

50 ZIP Code areas overlap Franklin 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 Franklin County, largest first

  1. Jackson Township47,984 people
  2. Washington Township43,472 people
  3. Norwich Township38,358 people
  4. Mifflin Township37,863 people
  5. Truro Township30,584 people
  6. Madison Township26,314 people
  7. Prairie Township17,140 people
  8. Sharon Township17,018 people
  9. Jefferson Township15,404 people
  10. Plain Township12,904 people
  11. Franklin Township11,249 people
  12. Blendon Township9,991 people
All 17
  1. Hamilton Township9,443 people
  2. Pleasant Township6,661 people
  3. Clinton Township4,325 people
  4. Perry Township3,853 people
  5. Brown Township3,809 people

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

School districts in Franklin County, largest first

  1. Columbus City School District572,964 people
  2. South-Western City School District144,617 people
  3. Olentangy Local School District107,015 people
  4. Westerville City School District104,173 people
  5. Hilliard City School District101,757 people
  6. Dublin City School District94,939 people
  7. Worthington City School District66,680 people
  8. Pickerington Local School District58,052 people
  9. Groveport Madison Local School District51,287 people
  10. Gahanna-Jefferson City School District51,071 people
  11. Reynoldsburg City School District43,659 people
  12. Upper Arlington City School District36,231 people
All 22
  1. Licking Heights Local School District28,140 people
  2. Teays Valley Local School District26,370 people
  3. New Albany-Plain Local School District24,993 people
  4. Canal Winchester Local School District22,902 people
  5. Whitehall City School District20,019 people
  6. Hamilton Local School District15,296 people
  7. Madison-Plains Local School District13,277 people
  8. Bexley City School District13,114 people
  9. Jonathan Alder Local School District11,831 people
  10. Grandview Heights City School District9,497 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. Columbus, Ohio (city)914,802 people
  2. Dublin, Ohio (city)49,294 people
  3. Grove City, Ohio (city)42,517 people
  4. Reynoldsburg, Ohio (city)41,224 people
  5. Westerville, Ohio (city)38,645 people
  6. Hilliard, Ohio (city)38,033 people
  7. Upper Arlington, Ohio (city)36,293 people
  8. Gahanna, Ohio (city)35,486 people
  9. Pickerington, Ohio (city)24,477 people
  10. Whitehall, Ohio (city)20,019 people
  11. Worthington, Ohio (city)14,938 people
  12. Bexley, Ohio (city)13,114 people
All 32
  1. New Albany, Ohio (city)10,896 people
  2. Canal Winchester, Ohio (city)10,170 people
  3. Lincoln Village, Ohio (CDP)8,928 people
  4. Grandview Heights, Ohio (city)8,647 people
  5. Blacklick Estates, Ohio (CDP)8,389 people
  6. Obetz, Ohio (city)7,330 people
  7. Groveport, Ohio (city)5,900 people
  8. Lake Darby, Ohio (CDP)4,608 people
  9. Huber Ridge, Ohio (CDP)4,111 people
  10. Commercial Point, Ohio (village)3,141 people
  11. Lithopolis, Ohio (village)2,522 people
  12. Minerva Park, Ohio (village)2,446 people
  13. Urbancrest, Ohio (village)1,240 people
  14. Marble Cliff, Ohio (village)850 people
  15. Valleyview, Ohio (village)742 people
  16. Darbydale, Ohio (CDP)737 people
  17. Riverlea, Ohio (village)543 people
  18. Harrisburg, Ohio (village)306 people

See all 32 cities, towns and communities in Franklin County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Delaware County, Ohio21 mi north
  2. Madison County, Ohio21 mi west
  3. Pickaway County, Ohio22 mi south
  4. Fairfield County, Ohio25 mi southeast
  5. Licking County, Ohio29 mi east
  6. Union County, Ohio29 mi northwest

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.