A Gazetteer for the United States and Canada
Rock Island, Washington
Welcome to Rock Island ...
The city of Rock Island is located on the Columbia River (central Washington state).
A typical abbreviation for Rock Island: Rock Is. (in Canada, 'Isld.' is the more common abbreviation.)
From the Census Estimates for 2019, Rock Island has a population of 1,255 people<2> (see below for details).
We don't have a date for the establishment of Rock Island.
The community of Rock Island is 640 feet [195 m] above sea level.<3>.
Time Zone: Rock Island lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time
Rock Island is within the (509) area code.
The ZIP code for Rock Island: 98850<4>
Population Details ...
Taken from the 2019 Census Estimates, Rock Island had an population of 1,255 people. This is an increase of 59.26% since the 2010 Census (or an increase of 45.42% since the 2000 Census).
At the time of the 2010 Census, Rock Island had a population of 788 people. This makes Rock Island the county's 5th most populous community.
The population of Rock Island represents 0.01% of the population of Washington (which has 6,724,540 people), making it the state's 211st most populous community.
With a 2010 count of 788 people, the population of Rock Island decreased 8.69% from the 2000 Census (with a count of 863 people).
More information can be found on the Census Page for Rock Island.
Communities Also Named Rock Island ...
Using our Gazetteer, we have found that there are 21 communities that are also named Rock Island - they are located in Florida (2), Idaho, Illinois, Indiana, Kansas (2), Manitoba, Massachusetts, Nevada, Oklahoma (2), Quebec, Tennessee, Texas (6) and Virginia.
For more information, see our Tidbits & Trivia Page for Rock Island.
Communities near Rock Island ...
We have created a list of 10 communities that are near Rock Island.
To Help With Your Genealogy Research ...
We have a couple of sections for those tracing their genealogy.
We created a list of cemeteries that are in the area around Rock Island. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Rock Island.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Rock Island. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Rock Island.
We also have a detailed list of newspapers that have been published in the area around Rock Island. See our Newspapers Page for Rock Island.
TripAdvisor Tourism Pages for Rock Island ...
Looking for more information about Rock Island? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.
In addition to the Tourism page for Rock Island, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Rock Island.
Adding Rock Island to Our Gazetteer ...
We originally found mention of Rock Island in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.
In addition, our notes show that the earliest dated mention that we've found for Rock Island was on a map titled Map of Washington (from Mobile Oil, 1949).
For more details about the above, see References and Mentions for Rock Island on our Genealogy Page.
Other Roadside Stops ...
Off-the-Road Links ...
Unfortunately, we don't know of a website for Rock Island. If you can help, please contact us through our Feedback Page.
The official website for Douglas County: www.douglascountywa.net/
The official website for State of Washington: https://access.wa.gov/
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
If you've found an error or have additional information that you would like to share, please don't hesitate to write. Click here to contact us.
This page was last modified: 27 Apr 2022