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Where am ILOCATED

Hamilton County, Ohio

Hamilton County, Ohio, has 838,418 residents (July 2025 estimate). Its county seat is Cincinnati. It uses Eastern Time and covers 405 sq mi (1,050 km²) of land.

ColumbusClevelandCincinnati
Hamilton County in Ohio
CincinnatiForest ParkWhite OakNorwood
Hamilton County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
838,418
Land area
405 sq mi (1,050 km²)
County seat or government
Cincinnati
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$72,470 ± $1,214
Median home value
$241,900 ± $3,015
Median rent, with utilities
$1,075 ± $16
Homes lived in by their owners
59.3% ± 0.7 points
County type
County
Metro or micro area
Cincinnati, OH-KY-IN metro areaCentral county
Water area
7.19 sq mi (18.6 km²)
State
Ohio
County code (FIPS)
39061
Coordinates (central point)
39.196927, -84.544187
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 Hamilton 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. 4514057,211 people
  2. 4506956,037 people
  3. 4501353,998 people
  4. 4523848,351 people
  5. 4523140,463 people
  6. 4521138,049 people
  7. 4515033,527 people
  8. 4521530,586 people
  9. 4523929,607 people
  10. 4524029,600 people
  11. 4524428,511 people
  12. 4523027,501 people
All 58
  1. 4523624,513 people
  2. 4524123,955 people
  3. 4524723,617 people
  4. 4524222,623 people
  5. 4524822,576 people
  6. 4525522,313 people
  7. 4522421,900 people
  8. 4503021,640 people
  9. 4521221,526 people
  10. 4523720,903 people
  11. 4525120,254 people
  12. 4521920,012 people
  13. 4522718,893 people
  14. 4520518,651 people
  15. 4520817,943 people
  16. 4520217,869 people
  17. 4524316,103 people
  18. 4523315,981 people
  19. 4500215,413 people
  20. 4524914,490 people
  21. 4522314,182 people
  22. 4522014,109 people
  23. 4522913,529 people
  24. 4524613,527 people
  25. 4521311,139 people
  26. 4520910,570 people
  27. 4520610,299 people
  28. 452259,583 people
  29. 452169,569 people
  30. 452148,630 people
  31. 452048,412 people
  32. 452076,983 people
  33. 452176,454 people
  34. 452326,363 people
  35. 452265,796 people
  36. 452524,684 people
  37. 450524,236 people
  38. 452183,836 people
  39. 452032,436 people
  40. 451742,321 people
  41. 45001904 people
  42. 45033377 people
  43. 45051334 people
  44. 45111265 people
  45. 45041118 people
  46. 452672 people

58 ZIP Code areas overlap Hamilton 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 Hamilton County, largest first

  1. Green Township60,068 people
  2. Colerain Township59,077 people
  3. Anderson Township43,867 people
  4. Springfield Township35,635 people
  5. Delhi Township28,682 people
  6. Sycamore Township19,530 people
  7. Miami Township15,904 people
  8. Symmes Township15,621 people
  9. Harrison Township14,749 people
  10. Whitewater Township6,385 people
  11. Crosby Township6,103 people
  12. Columbia Township4,247 people

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

School districts in Hamilton County, largest first

  1. Cincinnati City School District343,722 people
  2. Northwest Local School District (Hamilton County)74,969 people
  3. Oak Hills Local School District64,330 people
  4. Forest Hills Local School District46,639 people
  5. Milford Exempted Village School District45,611 people
  6. Princeton City School District43,145 people
  7. Sycamore Community City School District36,734 people
  8. Winton Woods City School District27,941 people
  9. Southwest Local School District27,632 people
  10. Loveland City School District26,522 people
  11. Mount Healthy City School District25,136 people
  12. Norwood City School District19,114 people
All 23
  1. Three Rivers Local School District15,873 people
  2. Indian Hill Exempted Village School District14,679 people
  3. Finneytown Local School District11,441 people
  4. North College Hill City School District11,197 people
  5. Deer Park Community City School District11,137 people
  6. Reading Community City School District10,578 people
  7. Madeira City School District9,520 people
  8. Wyoming City School District8,537 people
  9. Mariemont City School District8,468 people
  10. St. Bernard-Elmwood Place City School District6,449 people
  11. Lockland Local 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. Cincinnati, Ohio (city)311,224 people
  2. Fairfield, Ohio (city)44,828 people
  3. Forest Park, Ohio (city)20,025 people
  4. White Oak, Ohio (CDP)19,216 people
  5. Norwood, Ohio (city)19,114 people
  6. Sharonville, Ohio (city)14,030 people
  7. Bridgetown, Ohio (CDP)13,464 people
  8. Blue Ash, Ohio (city)13,455 people
  9. Loveland, Ohio (city)13,197 people
  10. Harrison, Ohio (city)13,084 people
  11. Finneytown, Ohio (CDP)12,506 people
  12. Monfort Heights, Ohio (CDP)12,441 people
All 89
  1. Dent, Ohio (CDP)11,973 people
  2. Mack, Ohio (CDP)11,516 people
  3. Springdale, Ohio (city)11,033 people
  4. Montgomery, Ohio (city)10,855 people
  5. Forestville, Ohio (CDP)10,831 people
  6. Northbrook, Ohio (CDP)10,742 people
  7. Reading, Ohio (city)10,502 people
  8. North College Hill, Ohio (city)9,555 people
  9. Madeira, Ohio (city)9,484 people
  10. Wyoming, Ohio (city)8,723 people
  11. Cheviot, Ohio (city)8,660 people
  12. Kenwood, Ohio (CDP)8,326 people
  13. Groesbeck, Ohio (CDP)7,824 people
  14. Dry Run, Ohio (CDP)7,687 people
  15. Mount Healthy, Ohio (city)6,919 people
  16. Northgate, Ohio (CDP)6,723 people
  17. Covedale, Ohio (CDP)6,500 people
  18. Milford, Ohio (city)6,497 people

See all 89 cities, towns and communities in Hamilton County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Butler County, Ohio17 mi north
  2. Kenton County, Kentucky18 mi south
  3. Campbell County, Kentucky19 mi southeast
  4. Boone County, Kentucky19 mi southwest
  5. Clermont County, Ohio23 mi southeast
  6. Dearborn County, Indiana23 mi west
  7. Warren County, Ohio25 mi northeast
  8. Franklin County, Indiana32 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.