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Welcome to Marion County ...

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

The community of Salem is the Seat for Marion County.

Marion County was founded in 1823. Marion was created by taking area from Fayette and Jefferson Counties.

From the Census Estimates for 2019, <1> Marion had a population of 37,205 people. This is a decrease of 5.61% since the last Census (which gave a population of 39,416 people in 2010).

At the time of the 2010 Census, Marion represented 0.31% of the total population of Illinois.

Below are some of the communities located in Marion County:

  • Alma
    (8 miles [12.9 km] to the northeast)
    • Alma is located in Marion County (IL)
    • Jump to our Gazetteer entry for Alma
    • Population from the 2020 Census: 302 people
    • Jump to TripAdvisor's Tourism page for Alma <2>
  • Central City
    (8 miles [12.9 km] to the southwest)
    • Central City is located in Marion County (IL)
    • Jump to our Gazetteer entry for Central City
    • Population from the 2020 Census: 1,107 people
  • Iuka
    (11 miles [17.7 km] to the east)
    • Iuka is located in Marion County (IL)
    • Jump to our Gazetteer entry for Iuka
    • Population from the 2020 Census: 462 people
    • Jump to TripAdvisor's Tourism page for Iuka <2>
  • Junction City
    (7 miles [11.3 km] to the west)
    • Junction City is located in Marion County (IL)
    • Jump to our Gazetteer entry for Junction City
    • Population from the 2020 Census: 468 people
  • Kell
    (9 miles [14.5 km] to the southeast)
    • Kell is located in Marion County (IL)
    • Jump to our Gazetteer entry for Kell
    • Population from the 2020 Census: 204 people
    • Jump to TripAdvisor's Tourism page for Kell <2>
  • Kinmundy
    (13 miles [20.9 km] to the northeast)
  • Odin
    (3 miles [4.8 km] to the west)
    • Odin is located in Marion County (IL)
    • Jump to our Gazetteer entry for Odin
    • Population from the 2020 Census: 1,004 people
    • Jump to TripAdvisor's Tourism page for Odin <2>
  • Patoka
    (11 miles [17.7 km] to the northwest)
    • Patoka is located in Marion County (IL)
    • Jump to our Gazetteer entry for Patoka
    • Population from the 2020 Census: 544 people
    • Jump to TripAdvisor's Tourism page for Patoka <2>
  • Continue List   (4 more) ...
    • Salem
      (2 miles [3.2 km] to the east)
      • Salem is located in Marion County (IL)
      • Jump to our Gazetteer entry for Salem
      • Population from the 2020 Census: 6,952 people
      • Jump to TripAdvisor's Tourism page for Salem <2>
    • Sandoval
      (6 miles [9.7 km] to the west)
    • Vernon
      (13 miles [20.9 km] to the north)
      • Vernon is located in Marion County (IL)
      • Jump to our Gazetteer entry for Vernon
      • Population from the 2020 Census: 119 people
      • Jump to TripAdvisor's Tourism page for Vernon <2>
    • Walnut Hill
      (9 miles [14.5 km] to the south)

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.