Welcome to Rio ...

Rio is located in Martin 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 1897.

Rio is near sea level<3>.

Time Zone: Rio lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Rio lies within the (772) area code.

Communities Also Named Rio ...

Using our Gazetteer, we found that there are 12 communities that are also named Rio - they are located in Georgia, Illinois, Kansas, Kentucky, Louisiana, Mississippi, New York, North Dakota, Utah, Virginia, West Virginia and Wisconsin.

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.

• Port Saint Lucie
  (8 miles [12.9 km] to the northwest)
  • Jump to our Gazetteer entry for Port Saint Lucie
  • Port Saint Lucie is located in Saint Lucie County
  • Population from the 2020 Census: 209,715 people
  • Jump to TripAdvisor's Tourism page for Port Saint Lucie <4>
• Fort Pierce
  (16 miles [25.7 km] to the north)
  • Jump to our Gazetteer entry for Fort Pierce
  • Fort Pierce is located in Saint Lucie County
  • Population from the 2020 Census: 46,343 people
  • Jump to TripAdvisor's Tourism page for Fort Pierce <4>
• Tequesta
  (19 miles [30.6 km] to the southeast)
  • Jump to our Gazetteer entry for Tequesta
  • Tequesta is located in Palm Beach County
  • Population from the 2020 Census: 6,129 people
  • Jump to TripAdvisor's Tourism page for Tequesta <4>
• Jupiter Island
  (14 miles [22.5 km] to the southeast)
  • Note: The GPS coordinates that we are using for Jupiter Island have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Jupiter Island
  • Jupiter Island is located in Martin County
  • Population from the 2020 Census: 941 people
• Saint Lucie
  (19 miles [30.6 km] to the north)
  • Note: The GPS coordinates that we are using for Saint Lucie have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Saint Lucie
  • Saint Lucie is located in Saint Lucie County
  • Population from the 2020 Census: 648 people
• Saint Lucie Village
  (19 miles [30.6 km] to the north)
  • Note: The GPS coordinates that we are using for Saint Lucie Village have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Saint Lucie Village
  • Saint Lucie Village is located in Saint Lucie County
  • Estimated population in 2015: 619 people
• Hutchinson Island South
  (5 miles [8 km] to the north)
  • Note: We haven't been able to verify our GPS coordinates for Hutchinson Island South. Although the coordinates have been estimated, they should be in the vicinity.<5>
  • Jump to our Gazetteer entry for Hutchinson Island South
  • Hutchinson Island South is located in Saint Lucie County
• Port Salerno
  (5 miles [8 km] to the southeast)
  • Jump to our Gazetteer entry for Port Salerno
  • Port Salerno is located in Martin County
  • Jump to TripAdvisor's Tourism page for Port Salerno <4>
• Indian River Estates
  (10 miles [16.1 km] to the northwest)
  • Note: The GPS coordinates that we are using for Indian River Estates have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Indian River Estates
  • Indian River Estates is located in Saint Lucie County
• Hobe Sound
  (12 miles [19.3 km] to the southeast)
  • Jump to our Gazetteer entry for Hobe Sound
  • Hobe Sound is located in Martin County
  • Jump to TripAdvisor's Tourism page for Hobe Sound <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. 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. See our Newspapers Page for Rio.

TripAdvisor Tourism Pages for Rio ...

Looking for more information about Rio? 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.

While we are unaware of a Tourism page that is specific to Rio, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor 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.<6>

From that list, the Rio post office opened in 1897.

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 Martin County: www.martin.fl.us/

The official website for State of Florida: www.myflorida.com/