Welcome to Rio Oso ...
Rio Oso is located in Sutter County<1>.
While we don't have a date for the founding of Rio Oso, you might consider that their post office opened in 1920.
Rio Oso is 40 feet [12 m] above sea level.<2>.
Time Zone: Rio Oso lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time
Rio Oso lies within the (530) area code.
The ZIP code for Rio Oso: 95674<3>
Communities near Rio Oso ...
We have created a list of 10 communities that are near Rio Oso.
- Yuba City
(13 miles [20.9 km] to the north)- Jump to our Gazetteer entry for Yuba City
- Yuba City is located in Sutter County
- Population from the 2020 Census: 66,444 people
- Jump to TripAdvisor's Tourism page for Yuba City <4>
- Lincoln
(13 miles [20.9 km] to the east)- Jump to our Gazetteer entry for Lincoln
- Lincoln is located in Placer County
- Population from the 2020 Census: 48,996 people
- Jump to TripAdvisor's Tourism page for Lincoln <4>
- Marysville
(13 miles [20.9 km] to the north)- Jump to our Gazetteer entry for Marysville
- Marysville is located in Yuba County
- Population from the 2020 Census: 12,594 people
- Jump to TripAdvisor's Tourism page for Marysville <4>
- Wheatland
(7 miles [11.3 km] to the northeast)- Jump to our Gazetteer entry for Wheatland
- Wheatland is located in Yuba County
- Population from the 2020 Census: 3,666 people
- Jump to TripAdvisor's Tourism page for Wheatland <4>
- Marcuse ‑ Historic
(4 miles [6.4 km] to the west) - Nicolas
(4 miles [6.4 km] to the southwest)- Jump to our Gazetteer entry for Nicolas
- Nicolas is located in Sutter County
- Jump to TripAdvisor's Tourism page for Nicolas <4>
- Nicolaus
(4 miles [6.4 km] to the southwest)- Jump to our Gazetteer entry for Nicolaus
- Nicolaus is located in Sutter County
- Jump to TripAdvisor's Tourism page for Nicolaus <4>
- Ostrom ‑ Historic
(7 miles [11.3 km] to the north)- Jump to our Gazetteer entry for Ostrom
- Ostrom is located in Yuba County
- Olivehurst
(9 miles [14.5 km] to the north)- Jump to our Gazetteer entry for Olivehurst
- Olivehurst is located in Yuba County
- Jump to TripAdvisor's Tourism page for Olivehurst <4>
- Pleasant Grove
(9 miles [14.5 km] to the south)- Jump to our Gazetteer entry for Pleasant Grove
- Pleasant Grove is located in Sutter County
- Jump to TripAdvisor's Tourism page for Pleasant Grove <4>
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 Oso. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Rio Oso.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Rio Oso. 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 Oso.
We also have a detailed list of newspapers that have been published in the area around Rio Oso. See our Newspapers Page for Rio Oso.
TripAdvisor Tourism Pages for Rio Oso ...
Looking for more information about Rio Oso? 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 Rio Oso, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Rio Oso.
Adding Rio Oso to Our Gazetteer ...
We originally found mention of Rio Oso 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 Oso was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>
From that list, the Rio Oso post office opened in 1920.
For more details, see References and Mentions for Rio Oso.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Rio Oso. If you can help, please contact us through our Feedback Page.
The official website for Sutter County: www.co.sutter.ca.us/
The official website for State of California: https://www.ca.gov/
Footnotes ...
| <1> | If you're interested in how the shape of California's counties, including Sutter, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <2> | The elevation is an estimate for the area around Rio Oso - it will be higher in some places and lower in others. |
| <3> | 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 community (such as Rio Oso). When looking for a ZIP Code, whether Rio Oso or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <4> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <5> | 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. |
| <6> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |