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Welcome to Clark County ...

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

The community of Springfield is the Seat for Clark County.

Clark County was founded March 1, 1818. Clark was created by taking area from Champaign, Madison and Greene Counties.

From the Census Estimates for 2019, <1> Clark had a population of 134,083 people. This is a decrease of 3.03% since the last Census (which gave a population of 138,274 people in 2010).

At the time of the 2010 Census, Clark represented 1.2% of the total population of Ohio.

Below are some of the communities located in Clark County:

  • Catawba
    (12 miles [19.3 km] to the northeast)
    • Catawba is located in Clark County (OH)
    • Jump to our Gazetteer entry for Catawba
    • Population from the 2020 Census: 275 people
  • Donnelsville
    (6 miles [9.7 km] to the west)
    • Donnelsville is located in Clark County (OH)
    • Jump to our Gazetteer entry for Donnelsville
    • Population from the 2020 Census: 260 people
  • Enon
    (6 miles [9.7 km] to the southwest)
    • Enon is located in Clark County (OH)
    • Jump to our Gazetteer entry for Enon
    • Population from the 2020 Census: 2,381 people
    • Jump to TripAdvisor's Tourism page for Enon <2>
  • New Carlisle
    (10 miles [16.1 km] to the west)
  • North Hampton
    (7 miles [11.3 km] to the northwest)
    • North Hampton is located in Clark County (OH)
    • Jump to our Gazetteer entry for North Hampton
    • Population from the 2020 Census: 463 people
  • South Charleston
    (11 miles [17.7 km] to the southeast)
  • South Vienna
    (11 miles [17.7 km] to the east)
  • Springfield
    (Less than 2 miles to the east)
  • Tremont City
    (6 miles [9.7 km] to the north)

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.