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Welcome to DeKalb County ...

Time Zone: DeKalb County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Maysville is the Seat for DeKalb County.

DeKalb County was founded in 1843 and was created by taking area from Clinton County.

From the Census Estimates for 2019, <1> DeKalb had a population of 12,547 people. This is a decrease of 2.7% since the last Census (which gave a population of 12,895 people in 2010).

At the time of the 2010 Census, DeKalb represented 0.22% of the total population of Missouri.

Below are some of the communities located in DeKalb County:

  • Amity
    (Less than 2 miles to the southwest)
    • Amity is located in DeKalb County (MO)
    • Jump to our Gazetteer entry for Amity
    • Population from the 2020 Census: 53 people
  • Clarksdale
    (9 miles [14.5 km] to the southwest)
    • Clarksdale is located in DeKalb County (MO)
    • Jump to our Gazetteer entry for Clarksdale
    • Population from the 2020 Census: 254 people
  • Maysville
    (2 miles [3.2 km] to the east)
  • Osborn
    (9 miles [14.5 km] to the south)
    • Osborn is located in DeKalb County (MO)
    • Jump to our Gazetteer entry for Osborn
    • Population from the 2020 Census: 408 people
    • Jump to TripAdvisor's Tourism page for Osborn <2>
  • Stewartsville
    (10 miles [16.1 km] to the southwest)
  • Union Star
    (12 miles [19.3 km] to the northwest)
    • Union Star is located in DeKalb County (MO)
    • Jump to our Gazetteer entry for Union Star
    • Population from the 2020 Census: 415 people
  • Weatherby
    (8 miles [12.9 km] to the east)
    • Weatherby is located in DeKalb County (MO)
    • Jump to our Gazetteer entry for Weatherby
    • Population from the 2020 Census: 103 people

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.