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Welcome to Mason County ...

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

The community of Havana is the Seat for Mason County.

Mason County was founded in 1841. Mason was created by taking area from Tazewell and Menard Counties.

From the Census Estimates for 2019, <1> Mason had a population of 13,359 people. This is a decrease of 8.82% since the last Census (which gave a population of 14,651 people in 2010).

At the time of the 2010 Census, Mason represented 0.11% of the total population of Illinois.

Below are some of the communities located in Mason County:

  • Bath
    (13 miles [20.9 km] to the west)
    • Bath is located in Mason County (IL)
    • Jump to our Gazetteer entry for Bath
    • Population from the 2020 Census: 306 people
    • Jump to TripAdvisor's Tourism page for Bath <2>
  • Easton
    (4 miles [6.4 km] to the southeast)
    • Easton is located in Mason County (IL)
    • Jump to our Gazetteer entry for Easton
    • Population from the 2020 Census: 283 people
    • Jump to TripAdvisor's Tourism page for Easton <2>
  • Forest City
    (8 miles [12.9 km] to the northeast)
    • Forest City is located in Mason County (IL)
    • Jump to our Gazetteer entry for Forest City
    • Population from the 2020 Census: 222 people
  • Havana
    (8 miles [12.9 km] to the west)
    • Havana is located in Mason County (IL)
    • Jump to our Gazetteer entry for Havana
    • Population from the 2020 Census: 2,945 people
    • Jump to TripAdvisor's Tourism page for Havana <2>
  • Kilbourne
    (9 miles [14.5 km] to the southwest)
  • Manito
    (13 miles [20.9 km] to the northeast)
    • Manito is located in Mason County (IL)
    • Jump to our Gazetteer entry for Manito
    • Population from the 2020 Census: 1,467 people
    • Jump to TripAdvisor's Tourism page for Manito <2>
  • Mason City
    (12 miles [19.3 km] to the east)
  • San Jose
    (16 miles [25.7 km] to the east)
  • Topeka
    (4 miles [6.4 km] to the north)

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.