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Welcome to Rock Island County ...

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

The community of Rock Island is the Seat for Rock Island County.

Rock Island County was founded in 1831 and was created by taking area from Jo Daviess County.

From the Census Estimates for 2019, <1> Rock Island had a population of 141,775 people. This is a decrease of 3.91% since the last Census (which gave a population of 147,546 people in 2010).

At the time of the 2010 Census, Rock Island represented 1.15% of the total population of Illinois.

Below are some of the communities located in Rock Island County:

  • Andalusia
    (11 miles [17.7 km] to the west)
    • Note: The GPS coordinates that we are using for Andalusia have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Andalusia
    • Andalusia is located in Rock Island County (IL)
    • Population from the 2020 Census: 1,140 people
    • Jump to TripAdvisor's Tourism page for Andalusia <3>
  • Carbon Cliff
    (5 miles [8 km] to the east)
    • Note: The GPS coordinates that we are using for Carbon Cliff have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Carbon Cliff
    • Carbon Cliff is located in Rock Island County (IL)
    • Population from the 2020 Census: 1,932 people
    • Jump to TripAdvisor's Tourism page for Carbon Cliff <3>
  • Coal Valley
    (3 miles [4.8 km] to the southeast)
    • Note: The GPS coordinates that we are using for Coal Valley have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Coal Valley
    • Coal Valley is located in Rock Island County (IL)
    • Population from the 2020 Census: 3,719 people
    • Jump to TripAdvisor's Tourism page for Coal Valley <3>
  • Cordova
    (16 miles [25.7 km] to the northeast)
    • Note: The GPS coordinates that we are using for Cordova have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Cordova
    • Cordova is located in Rock Island County (IL)
    • Population from the 2020 Census: 640 people
    • Jump to TripAdvisor's Tourism page for Cordova <3>
  • East Moline
    (3 miles [4.8 km] to the east)
    • Note: The GPS coordinates that we are using for East Moline have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for East Moline
    • East Moline is located in Rock Island County (IL)
    • Population from the 2020 Census: 20,473 people
  • Hampton
    (7 miles [11.3 km] to the northeast)
    • Note: The GPS coordinates that we are using for Hampton have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Hampton
    • Hampton is located in Rock Island County (IL)
    • Population from the 2020 Census: 1,738 people
    • Jump to TripAdvisor's Tourism page for Hampton <3>
  • Hillsdale
    (19 miles [30.6 km] to the northeast)
    • Note: The GPS coordinates that we are using for Hillsdale have been provided by the GNIS.<2> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Hillsdale
    • Hillsdale is located in Rock Island County (IL)
    • Population from the 2020 Census: 502 people
    • Jump to TripAdvisor's Tourism page for Hillsdale <3>
  • Milan
    (4 miles [6.4 km] to the southwest)
    • Jump to our Gazetteer entry for Milan
    • Milan is located in Rock Island County (IL)
    • Population from the 2020 Census: 4,945 people
    • Jump to TripAdvisor's Tourism page for Milan <3>
  • Continue List   (7 more) ...
    • Moline
      (Less than 2 miles to the north)
      • Jump to our Gazetteer entry for Moline
      • Moline is located in Rock Island County (IL)
      • Population from the 2020 Census: 41,065 people
      • Jump to TripAdvisor's Tourism page for Moline <3>
    • Oak Grove
      (6 miles [9.7 km] to the southwest)
      • Note: The GPS coordinates that we are using for Oak Grove have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Oak Grove
      • Oak Grove is located in Rock Island County (IL)
      • Population from the 2020 Census: 585 people
    • Port Byron
      (11 miles [17.7 km] to the northeast)
      • Jump to our Gazetteer entry for Port Byron
      • Port Byron is located in Rock Island County (IL)
      • Population from the 2020 Census: 1,597 people
      • Jump to TripAdvisor's Tourism page for Port Byron <3>
    • Rapids City
      (10 miles [16.1 km] to the northeast)
      • Note: The GPS coordinates that we are using for Rapids City have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Rapids City
      • Rapids City is located in Rock Island County (IL)
      • Population from the 2020 Census: 962 people
      • Jump to TripAdvisor's Tourism page for Rapids City <3>
    • Reynolds
      (13 miles [20.9 km] to the southwest)
      • Jump to our Gazetteer entry for Reynolds
      • Reynolds is located in Rock Island County (IL)
      • Population from the 2020 Census: 508 people
      • Jump to TripAdvisor's Tourism page for Reynolds <3>
    • Rock Island
      (3 miles [4.8 km] to the west)
    • Silvis
      (5 miles [8 km] to the east)
      • Note: The GPS coordinates that we are using for Silvis have been provided by the GNIS.<2> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Silvis
      • Silvis is located in Rock Island County (IL)
      • Population from the 2020 Census: 7,473 people
      • Jump to TripAdvisor's Tourism page for Silvis <3>

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