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Welcome to Williamson County ...

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

The community of Marion is the Seat for Williamson County.

Williamson County was founded in 1839 and was created by taking area from Franklin County.

From the Census Estimates for 2019, <1> Williamson had a population of 66,633 people. This is an increase of 0.42% since the last Census (which gave a population of 66,357 people in 2010).

At the time of the 2010 Census, Williamson represented 0.52% of the total population of Illinois.

Below are some of the communities located in Williamson County:

  • Bush
    (10 miles [16.1 km] to the northwest)
    • Note: The GPS coordinates that we are using for Bush have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Bush
    • Bush is located in Williamson County (IL)
    • Population from the 2020 Census: 263 people
  • Cambria
    (8 miles [12.9 km] to the west)
    • Jump to our Gazetteer entry for Cambria
    • Cambria is located in Williamson County (IL)
    • Population from the 2020 Census: 1,648 people
    • Jump to TripAdvisor's Tourism page for Cambria <3>
  • Carterville
    (5 miles [8 km] to the west)
  • Colp
    (7 miles [11.3 km] to the northwest)
    • Jump to our Gazetteer entry for Colp
    • Colp is located in Williamson County (IL)
    • Population from the 2020 Census: 208 people
    • Former name for Colp:
    • Colpville
    • Jump to TripAdvisor's Tourism page for Colp <3>
  • Crainville
    (4 miles [6.4 km] to the west)
    • Note: The GPS coordinates that we are using for Crainville have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Crainville
    • Crainville is located in Williamson County (IL)
    • Population from the 2020 Census: 1,419 people
  • Creal Springs
    (11 miles [17.7 km] to the southeast)
    • Note: The GPS coordinates that we are using for Creal Springs have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Creal Springs
    • Creal Springs is located in Williamson County (IL)
    • Population from the 2020 Census: 521 people
    • Jump to TripAdvisor's Tourism page for Creal Springs <3>
  • Energy
    (3 miles [4.8 km] to the northwest)
    • Note: The GPS coordinates that we are using for Energy have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Energy
    • Energy is located in Williamson County (IL)
    • Population from the 2020 Census: 1,086 people
    • Jump to TripAdvisor's Tourism page for Energy <3>
  • Freeman Spur
    (7 miles [11.3 km] to the north)
    • Jump to our Gazetteer entry for Freeman Spur
    • Freeman Spur is located in Williamson County (IL)
    • Population from the 2020 Census: 276 people
    • Freeman Spur has also been known as:
    • Freeman Spur village
    • Jump to TripAdvisor's Tourism page for Freeman Spur <3>
  • Continue List   (6 more) ...
    • Herrin
      (4 miles [6.4 km] to the northwest)
      • Jump to our Gazetteer entry for Herrin
      • Herrin is located in Williamson County (IL)
      • Population from the 2020 Census: 12,625 people
      • Jump to TripAdvisor's Tourism page for Herrin <3>
    • Hurst
      (11 miles [17.7 km] to the northwest)
      • Note: The GPS coordinates that we are using for Hurst have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Hurst
      • Hurst is located in Williamson County (IL)
      • Population from the 2020 Census: 780 people
      • Jump to TripAdvisor's Tourism page for Hurst <3>
    • Johnston City
      (5 miles [8 km] to the northeast)
    • Marion
      (2 miles [3.2 km] to the southeast)
      • Jump to our Gazetteer entry for Marion
      • Marion is located in Williamson County (IL)
      • Population from the 2020 Census: 17,417 people
      • Jump to TripAdvisor's Tourism page for Marion <3>
    • Pittsburg
      (6 miles [9.7 km] to the east)
      • Note: The GPS coordinates that we are using for Pittsburg have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Pittsburg
      • Pittsburg is located in Williamson County (IL)
      • Population from the 2020 Census: 549 people
      • Jump to TripAdvisor's Tourism page for Pittsburg <3>
    • Spillertown
      (3 miles [4.8 km] to the east)
      • Note: The GPS coordinates that we are using for Spillertown have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Spillertown
      • Spillertown is located in Williamson County (IL)
      • Population from the 2020 Census: 197 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>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 26 Feb 2024