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Where am ILOCATED

Ohio: Time Zones, Counties, Cities & Map

Ohio uses Eastern Time.

Ohio in the United States
Eastern TimeUTC-05:00 in January; UTC-04:00 in JulyAll of OhioAmerica/New_York
ColumbusClevelandCincinnatiToledoAkron
Ohio and its counties (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
11,900,510
Land area
40,859 sq mi (105,824 km²)
Water area
3,967 sq mi (10,274 km²)
State FIPS code
39
Coordinates (central point)
40.414930, -82.711997
Open this point in the location finder

These coordinates mark a central point for the area, not a street address.

Metro and micro areas in Ohio, largest first

15 metro areas and 29 micro areas have counties in Ohio. 4 cross into another state; their populations are for the whole area. Populations are July 2025 estimates.

  1. Cincinnati, OH-KY-IN Metro Area2,312,858 people
  2. Columbus, OH Metro Area2,242,028 people
  3. Cleveland, OH Metro Area2,165,775 people
  4. Dayton-Kettering-Beavercreek, OH Metro Area826,554 people
  5. Akron, OH Metro Area701,780 people
  6. Toledo, OH Metro Area599,376 people
  7. Youngstown-Warren, OH Metro Area423,678 people
  8. Canton-Massillon, OH Metro Area400,246 people
  9. Huntington-Ashland, WV-KY-OH Metro Area365,965 people
  10. Springfield, OH Metro Area135,340 people
  11. Wheeling, WV-OH Metro Area134,089 people
  12. Mansfield, OH Metro Area124,893 people
All 44
  1. Wooster, OH Micro Area116,758 people
  2. Sandusky, OH Metro Area112,777 people
  3. Weirton-Steubenville, WV-OH Metro Area112,468 people
  4. Lima, OH Metro Area100,881 people
  5. Salem, OH Micro Area99,377 people
  6. New Philadelphia-Dover, OH Micro Area92,373 people
  7. Zanesville, OH Micro Area87,014 people
  8. Chillicothe, OH Micro Area76,429 people
  9. Findlay, OH Micro Area75,034 people
  10. Portsmouth, OH Micro Area71,365 people
  11. Marion, OH Micro Area65,115 people
  12. Mount Vernon, OH Micro Area64,002 people
  13. Athens, OH Micro Area63,197 people
  14. Fremont, OH Micro Area58,655 people
  15. Marietta, OH Micro Area58,389 people
  16. Norwalk, OH Micro Area58,250 people
  17. Tiffin, OH Micro Area54,522 people
  18. Ashland, OH Micro Area52,523 people
  19. Greenville, OH Micro Area51,520 people
  20. Sidney, OH Micro Area48,065 people
  21. Bellefontaine, OH Micro Area46,302 people
  22. Wapakoneta, OH Micro Area45,909 people
  23. Celina, OH Micro Area42,737 people
  24. Wilmington, OH Micro Area42,301 people
  25. Bucyrus, OH Micro Area41,896 people
  26. Urbana, OH Micro Area38,820 people
  27. Cambridge, OH Micro Area38,379 people
  28. Defiance, OH Micro Area38,292 people
  29. Coshocton, OH Micro Area37,188 people
  30. Gallipolis, OH Micro Area29,072 people
  31. Van Wert, OH Micro Area29,013 people
  32. Washington Court House, OH Micro Area28,552 people

Every metro and micro area in the US

Largest townships in Ohio

  1. West Chester Township, Butler County65,755 people
  2. Washington Township, Montgomery County62,601 people
  3. Green Township, Hamilton County60,068 people
  4. Colerain Township, Hamilton County59,077 people
  5. Beavercreek Township, Greene County56,722 people
  6. Plain Township, Stark County53,423 people
  7. Miami Township, Montgomery County52,159 people
  8. Sylvania Township, Lucas County50,835 people
  9. Union Township, Clermont County50,264 people
  10. Violet Township, Fairfield County48,117 people
  11. Jackson Township, Franklin County47,984 people
  12. Liberty Township, Butler County44,633 people

All 1,326 townships in Ohio, by county

Counties and equivalents, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Franklin County, Ohio1,361,536 people
  2. Cuyahoga County, Ohio1,232,925 people
  3. Hamilton County, Ohio838,418 people
  4. Montgomery County, Ohio539,598 people
  5. Summit County, Ohio538,376 people
  6. Lucas County, Ohio423,347 people
  7. Butler County, Ohio400,128 people
  8. Stark County, Ohio373,771 people
  9. Lorain County, Ohio323,219 people
  10. Warren County, Ohio257,181 people
  11. Delaware County, Ohio242,032 people
  12. Lake County, Ohio232,217 people
All 88
  1. Mahoning County, Ohio224,706 people
  2. Clermont County, Ohio216,977 people
  3. Trumbull County, Ohio198,972 people
  4. Licking County, Ohio185,564 people
  5. Medina County, Ohio185,025 people
  6. Greene County, Ohio174,322 people
  7. Fairfield County, Ohio169,752 people
  8. Portage County, Ohio163,404 people
  9. Clark County, Ohio135,340 people
  10. Wood County, Ohio134,176 people
  11. Richland County, Ohio124,893 people
  12. Wayne County, Ohio116,758 people
  13. Miami County, Ohio112,634 people
  14. Allen County, Ohio100,881 people
  15. Columbiana County, Ohio99,377 people
  16. Ashtabula County, Ohio96,713 people
  17. Geauga County, Ohio95,676 people
  18. Tuscarawas County, Ohio92,373 people

See all 88 counties and equivalents in Ohio, largest first

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. Cleveland, Ohio (city)366,097 people
  3. Cincinnati, Ohio (city)311,224 people
  4. Toledo, Ohio (city)267,463 people
  5. Akron, Ohio (city)189,247 people
  6. Dayton, Ohio (city)136,579 people
  7. Parma, Ohio (city)79,870 people
  8. Canton, Ohio (city)69,755 people
  9. Lorain, Ohio (city)65,395 people
  10. Hamilton, Ohio (city)63,468 people
  11. Youngstown, Ohio (city)59,331 people
  12. Springfield, Ohio (city)58,190 people
All 1,265
  1. Kettering, Ohio (city)57,206 people
  2. Elyria, Ohio (city)53,035 people
  3. Middletown, Ohio (city)51,617 people
  4. Cuyahoga Falls, Ohio (city)50,909 people
  5. Newark, Ohio (city)50,783 people
  6. Lakewood, Ohio (city)50,007 people
  7. Dublin, Ohio (city)49,294 people
  8. Euclid, Ohio (city)48,823 people
  9. Mansfield, Ohio (city)47,663 people
  10. Mentor, Ohio (city)47,171 people
  11. Beavercreek, Ohio (city)47,126 people
  12. Strongsville, Ohio (city)45,983 people
  13. Fairfield, Ohio (city)44,828 people
  14. Delaware, Ohio (city)44,589 people
  15. Cleveland Heights, Ohio (city)44,497 people
  16. Huber Heights, Ohio (city)43,455 people
  17. Grove City, Ohio (city)42,517 people
  18. Lancaster, Ohio (city)41,249 people

See all 1,265 cities, towns and communities in Ohio, largest first

ZIP Code areas, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. ZIP 4501175,864 people
  2. ZIP 4312367,626 people
  3. ZIP 4302665,238 people
  4. ZIP 4308165,020 people
  5. ZIP 4425664,924 people
  6. ZIP 4305563,281 people
  7. ZIP 4313062,933 people
  8. ZIP 4403562,179 people
  9. ZIP 4301561,401 people
  10. ZIP 4406060,779 people
  11. ZIP 4306860,148 people
  12. ZIP 4504059,518 people
All 1,233
  1. ZIP 4322859,077 people
  2. ZIP 4323058,076 people
  3. ZIP 4407757,325 people
  4. ZIP 4514057,211 people
  5. ZIP 4370156,402 people
  6. ZIP 4504456,217 people
  7. ZIP 4506956,037 people
  8. ZIP 4560155,836 people
  9. ZIP 4322955,020 people
  10. ZIP 4584054,559 people
  11. ZIP 4501353,998 people
  12. ZIP 4330253,702 people
  13. ZIP 4542450,725 people
  14. ZIP 4410750,018 people
  15. ZIP 4413049,679 people
  16. ZIP 4523848,351 people
  17. ZIP 4464647,741 people
  18. ZIP 4323247,364 people

See all 1,233 ZIP Code areas in Ohio, largest first

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.

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See this state 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.