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Welcome to Hamilton County ...

Time Zone: Hamilton County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Cincinnati is the Seat for Hamilton County.

Hamilton County is one of the original counties of Ohio and was founded January 2, 1790.

From the Census Estimates for 2019, <1> Hamilton had a population of 817,473 people. This is an increase of 1.89% since the last Census (which gave a population of 802,278 people in 2010).

At the time of the 2010 Census, Hamilton represented 6.95% of the total population of Ohio.

Below are some of the communities located in Hamilton County:

  • Addyston
    (11 miles [17.7 km] to the west)
    • Addyston is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Addyston
    • Population from the 2020 Census: 937 people
  • Amberley
    (4 miles [6.4 km] to the northeast)
    • Amberley is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Amberley
    • Population from the 2020 Census: 3,535 people
  • Arlington Heights
    (3 miles [4.8 km] to the northeast)
    • Arlington Heights is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Arlington Heights
    • Population from the 2020 Census: 740 people
  • Blue Ash
    (7 miles [11.3 km] to the northeast)
    • Blue Ash is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Blue Ash
    • Population from the 2020 Census: 12,492 people
    • Jump to TripAdvisor's Tourism page for Blue Ash <2>
  • Cheviot
    (6 miles [9.7 km] to the west)
    • Cheviot is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Cheviot
    • Population from the 2020 Census: 8,180 people
  • Cincinnati
    (5 miles [8 km] to the south)
  • Cleves
    (13 miles [20.9 km] to the west)
    • Cleves is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Cleves
    • Population from the 2020 Census: 3,363 people
    • Jump to TripAdvisor's Tourism page for Cleves <2>
  • Deer Park
    (5 miles [8 km] to the east)
    • Deer Park is located in Hamilton County (OH)
    • Jump to our Gazetteer entry for Deer Park
    • Population from the 2020 Census: 5,522 people
  • Continue List   (29 more) ...
    • Elmwood Place
      (Less than 2 miles to the northeast)
    • Evendale
      (6 miles [9.7 km] to the northeast)
      • Evendale is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Evendale
      • Population from the 2020 Census: 2,709 people
      • Jump to TripAdvisor's Tourism page for Evendale <2>
    • Fairfax
      (5 miles [8 km] to the southeast)
      • Fairfax is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Fairfax
      • Population from the 2020 Census: 1,701 people
    • Fairfield
      (10 miles [16.1 km] to the north)
      • Fairfield is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Fairfield
      • Population from the 2020 Census: 42,603 people
      • Jump to TripAdvisor's Tourism page for Fairfield <2>
    • Forest Park
      (7 miles [11.3 km] to the north)
    • Glendale
      (6 miles [9.7 km] to the north)
      • Glendale is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Glendale
      • Population from the 2020 Census: 2,182 people
      • Jump to TripAdvisor's Tourism page for Glendale <2>
    • Golf Manor
      (2 miles [3.2 km] to the east)
      • Golf Manor is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Golf Manor
      • Population from the 2020 Census: 3,554 people
    • Greenhills
      (6 miles [9.7 km] to the north)
    • Harrison
      (16 miles [25.7 km] to the west)
      • Harrison is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Harrison
      • Population from the 2020 Census: 12,199 people
      • Jump to TripAdvisor's Tourism page for Harrison <2>
    • Lincoln Heights
      (4 miles [6.4 km] to the northeast)
      • Lincoln Heights is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Lincoln Heights
      • Population from the 2020 Census: 3,354 people
    • Lockland
      (3 miles [4.8 km] to the northeast)
      • Lockland is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Lockland
      • Population from the 2020 Census: 3,437 people
    • Madeira
      (6 miles [9.7 km] to the east)
      • Madeira is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Madeira
      • Population from the 2020 Census: 9,284 people
      • Jump to TripAdvisor's Tourism page for Madeira <2>
    • Mariemont
      (6 miles [9.7 km] to the east)
    • Milford
      (11 miles [17.7 km] to the east)
      • Milford is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Milford
      • Population from the 2020 Census: 6,801 people
      • Jump to TripAdvisor's Tourism page for Milford <2>
    • Montgomery
      (8 miles [12.9 km] to the northeast)
    • Mount Healthy
      (4 miles [6.4 km] to the northwest)
    • Newtown
      (8 miles [12.9 km] to the southeast)
      • Newtown is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Newtown
      • Population from the 2020 Census: 2,665 people
      • Jump to TripAdvisor's Tourism page for Newtown <2>
    • North Bend
      (13 miles [20.9 km] to the west)
    • North College Hill
      (4 miles [6.4 km] to the northwest)
      • North College Hill is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for North College Hill
      • Population from the 2020 Census: 9,246 people
    • Norwood
      (2 miles [3.2 km] to the southeast)
      • Norwood is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Norwood
      • Population from the 2020 Census: 19,696 people
      • Jump to TripAdvisor's Tourism page for Norwood <2>
    • Reading
      (4 miles [6.4 km] to the northeast)
      • Reading is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Reading
      • Population from the 2020 Census: 10,204 people
      • Jump to TripAdvisor's Tourism page for Reading <2>
    • Saint Bernard
      (Less than 2 miles to the south)
    • Sharonville
      (7 miles [11.3 km] to the northeast)
    • Silverton
      (4 miles [6.4 km] to the east)
      • Silverton is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Silverton
      • Population from the 2020 Census: 4,741 people
    • Springdale
      (7 miles [11.3 km] to the north)
    • Terrace Park
      (10 miles [16.1 km] to the east)
      • Terrace Park is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Terrace Park
      • Population from the 2020 Census: 2,292 people
    • The Village of Indian Hill
      (8 miles [12.9 km] to the east)
      • The Village of Indian Hill is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for The Village of Indian Hill
      • Population from the 2020 Census: 5,769 people
    • Woodlawn
      (5 miles [8 km] to the north)
      • Woodlawn is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Woodlawn
      • Population from the 2020 Census: 3,395 people
    • Wyoming
      (3 miles [4.8 km] to the north)
      • Wyoming is located in Hamilton County (OH)
      • Jump to our Gazetteer entry for Wyoming
      • Population from the 2020 Census: 8,550 people
      • Jump to TripAdvisor's Tourism page for Wyoming <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.