Welcome to Rio ...
The village of Rio is located in Columbia County<1>.
The location of Rio has been provided by the Geographic Names Information System (ie- the GNIS).<2>
While we don't have a date for the founding of Rio, you might consider that their post office opened in 1852.
From the Census Estimates for 2019, Rio has a population of 1,039 people<3> (see below for details).
Rio is 930 feet [283 m] above sea level.<4>.
Time Zone: Rio lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Population Details ...
Taken from the 2019 Census Estimates, Rio had an population of 1,039 people. This is a decrease of 1.89% since the 2010 Census (or an increase of 10.77% since the 2000 Census).
At the time of the 2010 Census, Rio had a population of 1,059 people. This makes Rio the county's 16th most populous community.
The population of Rio represents 0.02% of the total population of Wisconsin (which has 5,686,986 people), making it the state's 832nd most populous community.
With a 2010 count of 1,059 people, the population of Rio increased 12.9% from the 2000 Census (which had a count of 938 people).
More information can be found on the Census Page for Rio.
Communities Also Named Rio ...
Using our Gazetteer, we found that there are 12 communities that are also named Rio - they are located in Florida, Georgia, Illinois, Kansas, Kentucky, Louisiana, Mississippi, New York, North Dakota, Utah, Virginia and West Virginia.
For more information, see our Tidbits & Trivia Page for Rio.
Communities near Rio ...
We have created a list of 10 communities that are near Rio.
- Sun Prairie
(18 miles [29 km] to the south)- Note: The GPS coordinates that we are using for Sun Prairie have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Sun Prairie
- Sun Prairie is located in Dane County
- Population from the 2020 Census: 35,119 people
- DeForest
(14 miles [22.5 km] to the south)- Jump to our Gazetteer entry for DeForest
- DeForest is located in Dane County
- Population from the 2020 Census: 10,915 people
- Portage
(13 miles [20.9 km] to the northwest)- Jump to our Gazetteer entry for Portage
- Portage is located in Columbia County
- Population from the 2020 Census: 10,381 people
- Windsor
(16 miles [25.7 km] to the south)- Jump to our Gazetteer entry for Windsor
- Windsor is located in Dane County
- Columbus
(13 miles [20.9 km] to the southeast)- Jump to our Gazetteer entry for Columbus
- Columbus is located in Columbia County
- Population from the 2020 Census: 5,117 people
- Lodi
(17 miles [27.4 km] to the southwest)- Jump to our Gazetteer entry for Lodi
- Lodi is located in Columbia County
- Population from the 2020 Census: 3,109 people
- Poynette
(9 miles [14.5 km] to the southwest) - Pardeeville
(6 miles [9.7 km] to the northwest)- Note: The GPS coordinates that we are using for Pardeeville have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Pardeeville
- Pardeeville is located in Columbia County
- Population from the 2020 Census: 2,053 people
- Fall River
(10 miles [16.1 km] to the southeast)- Jump to our Gazetteer entry for Fall River
- Fall River is located in Columbia County
- Population from the 2020 Census: 1,757 people
- Randolph
(13 miles [20.9 km] to the northeast)
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 Rio. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Rio.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Rio. 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 Rio.
We also have a detailed list of newspapers that have been published in the area around Rio. Our list includes 5 papers. See our Newspapers Page for Rio.
Adding Rio to Our Gazetteer ...
We originally found mention of Rio 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 Rio was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<5>
From that list, the Rio post office opened in 1852.
We also found Rio in the book titled List of Post Offices in the United States (1870).
For more details, see References and Mentions for Rio.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Rio. If you can help, please contact us through our Feedback Page.
The official website for Columbia County: www.co.columbia.wi.us/
The official website for State of Wisconsin: https://www.wisconsin.gov/
Footnotes ...
| <1> | If you're interested in how the shape of Wisconsin's counties, including Columbia, 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 Rio. |
| <4> | The elevation is an estimate for the area around Rio - it will be higher in some places and lower in others. |
| <5> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |