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Welcome to Hamilton County ...

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

The community of McLeansboro is the Seat for Hamilton County.

Hamilton County was founded in 1821 and was created by taking area from White County.

From the Census Estimates for 2019, <1> Hamilton had a population of 8,116 people. This is a decrease of 3.91% since the last Census (which gave a population of 8,446 people in 2010).

At the time of the 2010 Census, Hamilton represented 0.07% of the total population of Illinois.

Below are some of the communities located in Hamilton County:

  • Belle Prairie City
    (8 miles [12.9 km] to the north)
    • Belle Prairie City is located in Hamilton County (IL)
    • Jump to our Gazetteer entry for Belle Prairie City
    • Population from the 2020 Census: 50 people
  • Broughton
    (11 miles [17.7 km] to the south)
  • Dahlgren
    (10 miles [16.1 km] to the northwest)
  • Macedonia
    (9 miles [14.5 km] to the west)
  • McLeansboro
    (Less than 2 miles to the southeast)

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.