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Welcome to Henderson County ...

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

The community of Oquawka is the Seat for Henderson County.

Henderson County was founded in 1841 and was created by taking area from Warren County.

From the Census Estimates for 2019, <1> Henderson had a population of 6,646 people. This is a decrease of 9.49% since the last Census (which gave a population of 7,343 people in 2010).

At the time of the 2010 Census, Henderson represented 0.06% of the total population of Illinois.

Below are some of the communities located in Henderson County:

  • Biggsville
    (4 miles [6.4 km] to the east)
    • Biggsville is located in Henderson County (IL)
    • Jump to our Gazetteer entry for Biggsville
    • Population from the 2020 Census: 273 people
  • Gladstone
    (2 miles [3.2 km] to the north)
  • Gulf Port
    (7 miles [11.3 km] to the west)
    • Gulf Port is located in Henderson County (IL)
    • Jump to our Gazetteer entry for Gulf Port
    • Population from the 2020 Census: 46 people
  • Lomax
    (12 miles [19.3 km] to the southwest)
    • Lomax is located in Henderson County (IL)
    • Jump to our Gazetteer entry for Lomax
    • Population from the 2020 Census: 393 people
    • Jump to TripAdvisor's Tourism page for Lomax <2>
  • Media
    (7 miles [11.3 km] to the southeast)
    • Media is located in Henderson County (IL)
    • Jump to our Gazetteer entry for Media
    • Population from the 2020 Census: 93 people
  • Oquawka
    (7 miles [11.3 km] to the north)
    • Oquawka is located in Henderson County (IL)
    • Jump to our Gazetteer entry for Oquawka
    • Population from the 2020 Census: 1,231 people
    • Jump to TripAdvisor's Tourism page for Oquawka <2>
  • Raritan
    (11 miles [17.7 km] to the southeast)
    • Raritan is located in Henderson County (IL)
    • Jump to our Gazetteer entry for Raritan
    • Population from the 2020 Census: 120 people
  • Stronghurst
    (6 miles [9.7 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.