Welcome to Rock Valley ...
The city of Rock Valley is located in Sioux County<1>.
The location of Rock Valley has been provided by the Geographic Names Information System (ie- the GNIS).<2>
While we don't have a date for the founding of Rock Valley, you might consider that their post office opened in 1879.
A typical abbreviation for Rock Valley: Rock Vly. (or less commonly used: Rock Vally. or Rock Vlly.)
From the Census Estimates for 2019, Rock Valley has a population of 3,877 people<3> (see below for details).
Rock Valley is 1,240 feet [378 m] above sea level.<4>.
Time Zone: Rock Valley lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Rock Valley is located in the (712) area code.
The ZIP code for Rock Valley: 51247<5>
Population Details ...
Taken from the 2019 Census Estimates, Rock Valley had an population of 3,877 people. This is an increase of 15.59% since the 2010 Census (or an increase of 43.49% since the 2000 Census).
At the time of the 2010 Census, Rock Valley had a population of 3,354 people (or 9.95% of the total population of Sioux County). This makes Rock Valley the county's 3rd most populous community.
The population of Rock Valley represents 0.11% of the total population of Iowa (which has 3,046,355 people), making it the state's 111st most populous community.
With a 2010 count of 3,354 people, the population of Rock Valley increased 24.13% from the 2000 Census (which had a count of 2,702 people).
More information can be found on the Census Page for Rock Valley.
Communities Also Named Rock Valley ...
Using our Gazetteer, we found that there are 2 communities that are also named Rock Valley - they are located in Massachusetts and New York.
For more information, see our Tidbits & Trivia Page for Rock Valley.
Communities near Rock Valley ...
We have created a list of 10 communities that are near Rock Valley.
- Sioux Center
(10 miles [16.1 km] to the southeast)- Jump to our Gazetteer entry for Sioux Center
- Sioux Center is located in Sioux County
- Population from the 2020 Census: 7,665 people
- Jump to TripAdvisor's Tourism page for Sioux Center <6>
- Orange City
(18 miles [29 km] to the southeast)- Jump to our Gazetteer entry for Orange City
- Orange City is located in Sioux County
- Population from the 2020 Census: 6,260 people
- Jump to TripAdvisor's Tourism page for Orange City <6>
- Canton
(16 miles [25.7 km] to the northwest)- Jump to our Gazetteer entry for Canton
- Canton is located in Lincoln County (SD)
- Population from the 2020 Census: 3,583 people
- Jump to TripAdvisor's Tourism page for Canton <6>
- Rock Rapids
(16 miles [25.7 km] to the northeast)- Note: The GPS coordinates that we are using for Rock Rapids have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Rock Rapids
- Rock Rapids is located in Lyon County
- Population from the 2020 Census: 2,518 people
- Jump to TripAdvisor's Tourism page for Rock Rapids <6>
- Hawarden
(16 miles [25.7 km] to the southwest)- Note: The GPS coordinates that we are using for Hawarden have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Hawarden
- Hawarden is located in Sioux County
- Population from the 2020 Census: 2,443 people
- Jump to TripAdvisor's Tourism page for Hawarden <6>
- Hull
(8 miles [12.9 km] to the east)- Note: The GPS coordinates that we are using for Hull have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Hull
- Hull is located in Sioux County
- Population from the 2020 Census: 2,296 people
- Jump to TripAdvisor's Tourism page for Hull <6>
- George
(17 miles [27.4 km] to the northeast)- Note: The GPS coordinates that we are using for George have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for George
- George is located in Lyon County
- Population from the 2020 Census: 1,029 people
- Jump to TripAdvisor's Tourism page for George <6>
- Larchwood
(18 miles [29 km] to the north)- Note: The GPS coordinates that we are using for Larchwood have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Larchwood
- Larchwood is located in Lyon County
- Population from the 2020 Census: 918 people
- Jump to TripAdvisor's Tourism page for Larchwood <6>
- Inwood
(9 miles [14.5 km] to the northwest)- Note: The GPS coordinates that we are using for Inwood have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Inwood
- Inwood is located in Lyon County
- Population from the 2020 Census: 847 people
- Jump to TripAdvisor's Tourism page for Inwood <6>
- Boyden
(14 miles [22.5 km] to the east)
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 Valley. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Rock Valley.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Rock Valley. 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 Valley.
We also have a detailed list of newspapers that have been published in the area around Rock Valley. See our Newspapers Page for Rock Valley.
TripAdvisor Tourism Pages for Rock Valley ...
Looking for more information about Rock Valley? 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 Valley, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Rock Valley.
Adding Rock Valley to Our Gazetteer ...
We originally found mention of Rock Valley in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.
From our notes, the earliest published mention we've found for Rock Valley was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>
From that list, the Rock Valley post office opened in 1879.
We also found Rock Valley in the book titled Business Atlas and Shippers' Guide (1895).
For more details, see References and Mentions for Rock Valley.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Rock Valley. If you can help, please contact us through our Feedback Page.
The official website for Sioux County: www.siouxcounty.org/
The official website for State of Iowa: https://www.iowa.gov/
Footnotes ...
| <1> | If you're interested in how the shape of Iowa's counties, including Sioux, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <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> | Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Rock Valley. |
| <4> | The elevation is an estimate for the area around Rock Valley - it will be higher in some places and lower in others. |
| <5> | ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Rock Valley). When looking for a ZIP Code, whether Rock Valley or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <6> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <7> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |