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Welcome to Sumner County ...

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

The community of Gallatin is the Seat for Sumner County.

Sumner County was founded in 1786 and was created by taking area from Davidson County.

From the Census Estimates for 2019, <1> Sumner had a population of 191,283 people. This is an increase of 18.65% since the last Census (which gave a population of 161,214 people in 2010).

At the time of the 2010 Census, Sumner represented 2.54% of the total population of Tennessee.

Below are some of the communities located in Sumner County:

  • Gallatin
    (3 miles [4.8 km] to the southeast)
    • Gallatin is located in Sumner County (TN)
    • Jump to our Gazetteer entry for Gallatin
    • Population from the 2020 Census: 44,335 people
    • Jump to TripAdvisor's Tourism page for Gallatin <2>
  • Goodlettsville
    (13 miles [20.9 km] to the southwest)
  • Hendersonville
    (11 miles [17.7 km] to the southwest)
  • Millersville
    (12 miles [19.3 km] to the west)
  • Mitchellville
    (13 miles [20.9 km] to the north)
    • Mitchellville is located in Sumner County (TN)
    • Jump to our Gazetteer entry for Mitchellville
    • Population from the 2020 Census: 195 people
  • Portland
    (10 miles [16.1 km] to the north)
    • Portland is located in Sumner County (TN)
    • Jump to our Gazetteer entry for Portland
    • Population from the 2020 Census: 13,301 people
    • Jump to TripAdvisor's Tourism page for Portland <2>
  • Westmoreland
    (15 miles [24.1 km] to the northeast)

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.