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Welcome to Henry County ...

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

The community of Cambridge is the Seat for Henry County.

Henry County was founded in 1825 and was created by taking area from Adams County.

From the Census Estimates for 2019, <1> Henry had a population of 48,913 people. This is a decrease of 3.05% since the last Census (which gave a population of 50,452 people in 2010).

At the time of the 2010 Census, Henry represented 0.39% of the total population of Illinois.

Below are some of the communities located in Henry County:

  • Alpha
    (17 miles [27.4 km] to the southwest)
    • Alpha is located in Henry County (IL)
    • Jump to our Gazetteer entry for Alpha
    • Population from the 2020 Census: 626 people
    • Jump to TripAdvisor's Tourism page for Alpha <2>
  • Andover
    (9 miles [14.5 km] to the southwest)
  • Annawan
    (11 miles [17.7 km] to the east)
  • Atkinson
    (7 miles [11.3 km] to the northeast)
  • Bishop Hill
    (10 miles [16.1 km] to the south)
  • Cambridge
    (4 miles [6.4 km] to the southwest)
  • Cleveland
    (14 miles [22.5 km] to the northwest)
    • Cleveland is located in Henry County (IL)
    • Jump to our Gazetteer entry for Cleveland
    • Population from the 2020 Census: 178 people
  • Colona
    (14 miles [22.5 km] to the northwest)
    • Colona is located in Henry County (IL)
    • Jump to our Gazetteer entry for Colona
    • Population from the 2020 Census: 5,049 people
    • Jump to TripAdvisor's Tourism page for Colona <2>
  • Continue List   (6 more) ...
    • Galva
      (13 miles [20.9 km] to the south)
      • Galva is located in Henry County (IL)
      • Jump to our Gazetteer entry for Galva
      • Population from the 2020 Census: 2,449 people
      • Jump to TripAdvisor's Tourism page for Galva <2>
    • Geneseo
      (6 miles [9.7 km] to the north)
      • Geneseo is located in Henry County (IL)
      • Jump to our Gazetteer entry for Geneseo
      • Population from the 2020 Census: 6,505 people
      • Jump to TripAdvisor's Tourism page for Geneseo <2>
    • Hooppole
      (15 miles [24.1 km] to the northeast)
    • Kewanee
      (12 miles [19.3 km] to the southeast)
      • Kewanee is located in Henry County (IL)
      • Jump to our Gazetteer entry for Kewanee
      • Population from the 2020 Census: 12,174 people
      • Jump to TripAdvisor's Tourism page for Kewanee <2>
    • Orion
      (13 miles [20.9 km] to the west)
      • Orion is located in Henry County (IL)
      • Jump to our Gazetteer entry for Orion
      • Population from the 2020 Census: 1,776 people
      • Jump to TripAdvisor's Tourism page for Orion <2>
    • Woodhull
      (15 miles [24.1 km] to the southwest)

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.