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Welcome to Montgomery County ...

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

The community of Dayton is the Seat for Montgomery County.

Montgomery County was founded May 1, 1803. Montgomery was created by taking area from Hamilton and Wayne Counties.

From the Census Estimates for 2019, <1> Montgomery had a population of 531,687 people. This is a decrease of 0.73% since the last Census (which gave a population of 535,597 people in 2010).

At the time of the 2010 Census, Montgomery represented 4.64% of the total population of Ohio.

Below are some of the communities located in Montgomery County:

  • Brookville
    (11 miles [17.7 km] to the northwest)
  • Carlisle
    (12 miles [19.3 km] to the southwest)
    • Carlisle is located in Montgomery County (OH)
    • Jump to our Gazetteer entry for Carlisle
    • Population from the 2020 Census: 5,514 people
    • Jump to TripAdvisor's Tourism page for Carlisle <2>
  • Centerville
    (8 miles [12.9 km] to the south)
  • Clayton
    (10 miles [16.1 km] to the northwest)
    • Clayton is located in Montgomery County (OH)
    • Jump to our Gazetteer entry for Clayton
    • Population from the 2020 Census: 13,233 people
    • Jump to TripAdvisor's Tourism page for Clayton <2>
  • Dayton
    (Less than 2 miles to the northeast)
    • Dayton is located in Montgomery County (OH)
    • Jump to our Gazetteer entry for Dayton
    • Population from the 2020 Census: 139,907 people
    • Jump to TripAdvisor's Tourism page for Dayton <2>
  • Englewood
    (9 miles [14.5 km] to the northwest)
    • Englewood is located in Montgomery County (OH)
    • Jump to our Gazetteer entry for Englewood
    • Population from the 2020 Census: 13,502 people
    • Jump to TripAdvisor's Tourism page for Englewood <2>
  • Farmersville
    (12 miles [19.3 km] to the southwest)
  • Germantown
    (11 miles [17.7 km] to the southwest)
  • Continue List   (12 more) ...
    • Huber Heights
      (9 miles [14.5 km] to the northeast)
    • Kettering
      (4 miles [6.4 km] to the southeast)
      • Kettering is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Kettering
      • Population from the 2020 Census: 54,773 people
      • Jump to TripAdvisor's Tourism page for Kettering <2>
    • Miamisburg
      (8 miles [12.9 km] to the southwest)
      • Miamisburg is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Miamisburg
      • Population from the 2020 Census: 20,117 people
      • Jump to TripAdvisor's Tourism page for Miamisburg <2>
    • Moraine
      (4 miles [6.4 km] to the south)
      • Moraine is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Moraine
      • Population from the 2020 Census: 6,507 people
      • Jump to TripAdvisor's Tourism page for Moraine <2>
    • New Lebanon
      (9 miles [14.5 km] to the west)
    • Oakwood
      (3 miles [4.8 km] to the southeast)
      • Oakwood is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Oakwood
      • Population from the 2020 Census: 8,919 people
    • Phillipsburg
      (14 miles [22.5 km] to the northwest)
      • Phillipsburg is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Phillipsburg
      • Population from the 2020 Census: 550 people
    • Riverside
      (5 miles [8 km] to the northeast)
      • Riverside is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Riverside
      • Population from the 2020 Census: 25,169 people
      • Jump to TripAdvisor's Tourism page for Riverside <2>
    • Trotwood
      (5 miles [8 km] to the northwest)
      • Trotwood is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Trotwood
      • Population from the 2020 Census: 24,433 people
      • Jump to TripAdvisor's Tourism page for Trotwood <2>
    • Union
      (11 miles [17.7 km] to the northwest)
      • Union is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Union
      • Population from the 2020 Census: 6,909 people
      • Jump to TripAdvisor's Tourism page for Union <2>
    • Vandalia
      (8 miles [12.9 km] to the north)
      • Vandalia is located in Montgomery County (OH)
      • Jump to our Gazetteer entry for Vandalia
      • Population from the 2020 Census: 14,987 people
      • Jump to TripAdvisor's Tourism page for Vandalia <2>
    • West Carrollton
      (5 miles [8 km] to the south)

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.