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Welcome to Rio Dell ...

The city of Rio Dell is located in Humboldt County<1>.



While we don't have a date for the founding of Rio Dell, you might consider that their post office opened  in 1876.

The city was incorporated February 23, 1965.

From the  Census Estimates for 2019, Rio Dell has a population of 3,351 people<2> (see below for details).

Rio Dell is 160 feet [49 m] above sea level.<3>.

Time Zone: Rio Dell lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Rio Dell is within the (707) area code.

The ZIP code for Rio Dell: 95562<4>

Websites for Rio Dell ...

Official Website: www.riodellcity.com/

Population Details ...

Taken from the 2019 Census Estimates, Rio Dell had an population of 3,351 people. This is a decrease of 0.5% since the 2010 Census (or an increase of 5.58% since the 2000 Census).

At the time of the 2010 Census, Rio Dell had a population of 3,368 people. This makes Rio Dell the county's 4th most populous community.

With a 2010 count of 3,368 people, the population of Rio Dell increased 6.11% from the 2000 Census (which had a count of 3,174 people).

More information can be found on the Census Page for Rio Dell.

Communities Also Named Rio Dell ...

Using our Gazetteer, we found that there are two California communities named Rio Dell: This one is located in Humboldt County and the other is located in Sonoma County.

For more information, see our Tidbits & Trivia Page for Rio Dell.

Communities near Rio Dell ...

We have created a list of 10 communities that are near Rio Dell.

  • Fortuna
    (7 miles [11.3 km] to the north)
  • Ferndale
    (9 miles [14.5 km] to the northwest)
  • Rohnerville
    (5 miles [8 km] to the north)
    • Jump to our Gazetteer entry for Rohnerville
    • Rohnerville is located in Humboldt County
  • Pepperwood
    (6 miles [9.7 km] to the southeast)
    • Note: The GPS coordinates that we are using for Pepperwood have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Pepperwood
    • Pepperwood is located in Humboldt County
  • Redcrest
    (10 miles [16.1 km] to the southeast)
  • Larabee
    (11 miles [17.7 km] to the southeast)
    • Jump to our Gazetteer entry for Larabee
    • Larabee is located in Humboldt County
  • Loleta
    (11 miles [17.7 km] to the northwest)
  • Port Kenyon
    (11 miles [17.7 km] to the northwest)
    • Jump to our Gazetteer entry for Port Kenyon
    • Port Kenyon is located in Humboldt County
  • Falk ‑ Historic
    (12 miles [19.3 km] to the north)
    • Note: We haven't been able to verify our GPS coordinates for Falk. Although the coordinates have been estimated, they should be in the vicinity.<7>
    • Jump to our Gazetteer entry for Falk
    • Falk is located in Humboldt County
  • Table Bluff
    (12 miles [19.3 km] to the northwest)
    • Jump to our Gazetteer entry for Table Bluff
    • Table Bluff is located in Humboldt County

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 Dell. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Rio Dell.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Rio Dell. 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 Dell.

We also have a detailed list of newspapers that have been published in the area around Rio Dell. Our list includes 4 papers. See our Newspapers Page for Rio Dell.

TripAdvisor Tourism Pages for Rio Dell ...

Looking for more information about Rio Dell? 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 Dell, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Rio Dell.

Adding Rio Dell to Our Gazetteer ...

We originally found mention of Rio Dell 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 Dell was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

From that list, the Rio Dell post office opened in 1876.

We also found Rio Dell in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Rio Dell.

The official website for Rio Dell: www.riodellcity.com/

The official website for Humboldt County: www.co.humboldt.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 Humboldt, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Rio Dell.
<3>The elevation is an estimate for the area around Rio Dell - it will be higher in some places and lower in others.
<4>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 Rio Dell). When looking for a ZIP Code, whether Rio Dell or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>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.
<7>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<8>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/









 

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This page was last modified/updated: 09 Mar 2024