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Welcome to Sullivan County ...

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

The community of Sullivan is the Seat for Sullivan County.

Sullivan County was founded December 30, 1816 and was created by taking area from Knox County.

From the Census Estimates for 2019, <1> Sullivan had a population of 20,669 people. This is a decrease of 3.37% since the last Census (which gave a population of 21,390 people in 2010).

At the time of the 2010 Census, Sullivan represented 0.33% of the total population of Indiana.

Below are some of the communities located in Sullivan County:

  • Carlisle
    (9 miles [14.5 km] to the south)
  • Dugger
    (7 miles [11.3 km] to the east)
    • Dugger is located in Sullivan County (IN)
    • Jump to our Gazetteer entry for Dugger
    • Population from the 2020 Census: 864 people
    • Jump to TripAdvisor's Tourism page for Dugger <2>
  • Farmersburg
    (10 miles [16.1 km] to the north)
  • Hymera
    (7 miles [11.3 km] to the northeast)
    • Hymera is located in Sullivan County (IN)
    • Jump to our Gazetteer entry for Hymera
    • Population from the 2020 Census: 758 people
  • Merom
    (9 miles [14.5 km] to the west)
    • Merom is located in Sullivan County (IN)
    • Jump to our Gazetteer entry for Merom
    • Population from the 2020 Census: 214 people
    • Jump to TripAdvisor's Tourism page for Merom <2>
  • Shelburn
    (5 miles [8 km] to the north)
    • Shelburn is located in Sullivan County (IN)
    • Jump to our Gazetteer entry for Shelburn
    • Population from the 2020 Census: 1,222 people
    • Jump to TripAdvisor's Tourism page for Shelburn <2>
  • Sullivan
    (Less than 2 miles to the southwest)
    • Sullivan is located in Sullivan County (IN)
    • Jump to our Gazetteer entry for Sullivan
    • Population from the 2020 Census: 4,089 people
    • Jump to TripAdvisor's Tourism page for Sullivan <2>

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.