What County Is Cincinnati, Ohio In?

Cincinnati is in Hamilton County, Ohio. It is the county seat of Hamilton County. About 311,224 people live there (2020–2024 estimate). It uses Eastern Time and covers 77.9 sq mi (202 km²) of land. The nearest larger city or town is Lexington-Fayette, Kentucky, 76 mi south.

ColumbusClevelandToledo
Cincinnati in Ohio
BromleyDaytonLudlowNewportVilla HillsAddystonAmberleyArlington HeightsBridgetownCovedaleDelhi HillsElmwood PlaceFairfaxFinneytownFruit HillMackMadeiraMadison PlaceMonfort HeightsNorwoodSt. BernardSherwoodWhite Oak
Cincinnati and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
311,224 ± 60
Land area
77.9 sq mi (202 km²)
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Elevation
761 ft 232 m, ground height at the central point
Median household income
$52,909 ± $1,946
Median home value
$230,900 ± $7,744
Median rent, with utilities
$1,001 ± $20
Homes lived in by their owners
39.8% ± 1.1 points
Metro area
Cincinnati, OH-KY-INA principal city of the area
Water area
1.72 sq mi (4.46 km²)
State
Ohio
Census place code
3915000
Coordinates (central point)
39.140183, -84.505829

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

County boundaries in Cincinnati

For a point close to the city or county boundary, check the address with the office responsible for your form. Check a point on the county map.

Coordinates of Cincinnati

39.140183, -84.505829 is a central point for Cincinnati, not a street address. Convert these coordinates or share a map link.

Elevation in Cincinnati

761 ft (232 m), the USGS ground height at Cincinnati’s central point (3DEP terrain, 1 m grid, NAVD 88). Ground height varies across town. Check elevation at another spot.

Sunrise and sunset in Cincinnati

Longest day
14 hours 55 minutes around June 21
Shortest day
9 hours 25 minutes around December 21
Earliest sunrise
6:11 AM around June 14
Latest sunrise
8:10 AM the day before clocks go back in November
Earliest sunset
5:15 PM around December 7
Latest sunset
9:08 PM around June 28

Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 157:55 AM5:39 PM9 h 44 min
Feb 157:29 AM6:15 PM10 h 46 min
Mar 157:49 AM7:44 PM11 h 55 min
Apr 157:01 AM8:15 PM13 h 14 min
May 156:25 AM8:44 PM14 h 19 min
Jun 156:11 AM9:05 PM14 h 54 min
Jul 156:24 AM9:03 PM14 h 39 min
Aug 156:51 AM8:33 PM13 h 42 min
Sep 157:19 AM7:46 PM12 h 27 min
Oct 157:47 AM6:59 PM11 h 12 min
Nov 157:21 AM5:23 PM10 h 2 min
Dec 157:50 AM5:16 PM9 h 26 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Time zones in Cincinnati

Cincinnati uses Eastern Time (America/New_York).

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. 4523848,351 people
  2. 4523140,463 people
  3. 4521138,049 people
  4. 4521530,586 people
  5. 4523929,607 people
  6. 4524428,511 people
  7. 4523027,501 people
  8. 4524822,576 people
  9. 4522421,900 people
  10. 4521221,526 people
  11. 4523720,903 people
  12. 4521920,012 people
All 34
  1. 4522718,893 people
  2. 4520518,651 people
  3. 4520817,943 people
  4. 4520217,869 people
  5. 4523315,981 people
  6. 4522314,182 people
  7. 4522014,109 people
  8. 4522913,529 people
  9. 4521311,139 people
  10. 4520910,570 people
  11. 4520610,299 people
  12. 452259,583 people
  13. 452169,569 people
  14. 452148,630 people
  15. 452048,412 people
  16. 452076,983 people
  17. 452176,454 people
  18. 452326,363 people
  19. 452265,796 people
  20. 452032,436 people
  21. 45001904 people
  22. 452672 people

34 ZIP Code areas overlap Cincinnati. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Bordering areas, nearest first

Distances are straight lines between map points.

  1. St. Bernard, Ohio (village)2.3 mi north
  2. Dayton, Kentucky (city)3.0 mi southeast
  3. Norwood, Ohio (city)3.1 mi northeast
  4. Elmwood Place, Ohio (village)3.3 mi north
  5. Newport, Kentucky (city)3.9 mi south
  6. Ludlow, Kentucky (city)4.2 mi southwest
  7. Golf Manor, Ohio (village)4.6 mi northeast
  8. Ridgewood, Ohio (CDP)5.1 mi northeast
  9. Bromley, Kentucky (city)5.2 mi southwest
  10. Finneytown, Ohio (CDP)5.3 mi north
  11. Fairfax, Ohio (village)5.8 mi east
  12. Arlington Heights, Ohio (village)5.8 mi northeast
All 38
  1. North College Hill, Ohio (city)5.9 mi northwest
  2. Cheviot, Ohio (city)5.9 mi west
  3. Delshire, Ohio (CDP)6.0 mi southwest
  4. Amberley, Ohio (village)6.0 mi northeast
  5. Monfort Heights, Ohio (CDP)6.1 mi northwest
  6. Wyoming, Ohio (city)6.3 mi north
  7. Silverton, Ohio (village)6.5 mi northeast
  8. Lockland, Ohio (village)6.6 mi northeast
  9. Mariemont, Ohio (village)6.8 mi east
  10. Reading, Ohio (city)7.0 mi northeast
  11. Madison Place, Ohio (CDP)7.0 mi east
  12. Delhi Hills, Ohio (CDP)7.0 mi southwest
  13. Bridgetown, Ohio (CDP)7.0 mi west
  14. Covedale, Ohio (CDP)7.1 mi west
  15. Villa Hills, Kentucky (city)7.1 mi southwest
  16. White Oak, Ohio (CDP)7.3 mi northwest
  17. Covington, Kentucky (city)7.3 mi south
  18. Turpin Hills, Ohio (CDP)7.4 mi east

See all 38 bordering areas, nearest first

Before using this answer on a form

A city boundary, a CDP and a mailing city can mean different things.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this place 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.