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Welcome to Miami County ...

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

The community of Troy is the Seat for Miami County.

Miami County was founded March 1, 1807 and was created by taking area from Montgomery County.

From the Census Estimates for 2019, <1> Miami had a population of 106,987 people. This is an increase of 4.39% since the last Census (which gave a population of 102,487 people in 2010).

At the time of the 2010 Census, Miami represented 0.89% of the total population of Ohio.

Below are some of the communities located in Miami County:

  • Bradford
    (11 miles [17.7 km] to the northwest)
  • Casstown
    (6 miles [9.7 km] to the east)
  • Covington
    (7 miles [11.3 km] to the northwest)
  • Fletcher
    (9 miles [14.5 km] to the northeast)
    • Fletcher is located in Miami County (OH)
    • Jump to our Gazetteer entry for Fletcher
    • Population from the 2020 Census: 486 people
  • Laura
    (9 miles [14.5 km] to the southwest)
    • Laura is located in Miami County (OH)
    • Jump to our Gazetteer entry for Laura
    • Population from the 2020 Census: 497 people
    • Jump to TripAdvisor's Tourism page for Laura <2>
  • Ludlow Falls
    (6 miles [9.7 km] to the southwest)
    • Ludlow Falls is located in Miami County (OH)
    • Jump to our Gazetteer entry for Ludlow Falls
    • Population from the 2020 Census: 217 people
  • Piqua
    (6 miles [9.7 km] to the north)
    • Piqua is located in Miami County (OH)
    • Jump to our Gazetteer entry for Piqua
    • Population from the 2020 Census: 21,435 people
    • Jump to TripAdvisor's Tourism page for Piqua <2>
  • Pleasant Hill
    (5 miles [8 km] to the west)
  • Continue List   (4 more) ...
    • Potsdam
      (11 miles [17.7 km] to the southwest)
      • Potsdam is located in Miami County (OH)
      • Jump to our Gazetteer entry for Potsdam
      • Population from the 2020 Census: 295 people
    • Tipp City
      (7 miles [11.3 km] to the southeast)
    • Troy
      (Less than 2 miles to the southeast)
      • Troy is located in Miami County (OH)
      • Jump to our Gazetteer entry for Troy
      • Population from the 2020 Census: 26,473 people
      • Jump to TripAdvisor's Tourism page for Troy <2>
    • West Milton
      (8 miles [12.9 km] to the southwest)

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.