Welcome to Mount Rainier ...
The city of Mount Rainier is located in Prince George's County<1>.
Mount Rainier was established in 1910.
A typical abbreviation for Mount Rainier: Mt. Rainier
From the Census Estimates for 2019, Mount Rainier has a population of 8,143 people<2> (see below for details).
The community of Mount Rainier is 70 feet [21 m] above sea level.<3>.
Time Zone: Mount Rainier lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time
Area Codes for Mount Rainier: 301, 227 & 240<4>
The ZIP code for Mount Rainier: 20712<5>
Population Details ...
Taken from the 2019 Census Estimates, Mount Rainier had an population of 8,143 people. This is an increase of 0.78% since the 2010 Census (or a decrease of 4.18% since the 2000 Census).
At the time of the 2010 Census, Mount Rainier had a population of 8,080 people. This makes Mount Rainier the county's 8th most populous community.
The population of Mount Rainier represents 0.14% of the population of Maryland (which has 5,773,552 people), making it the state's 27th most populous community.
With a 2010 count of 8,080 people, the population of Mount Rainier decreased 4.92% from the 2000 Census (with a count of 8,498 people).
More information can be found on the Census Page for Mount Rainier.
Communities near Mount Rainier ...
We have created a list of 10 communities that are near Mount Rainier.
- Arlington
(8 miles [12.9 km] to the southwest)
- Alexandria
(10 miles [16.1 km] to the southwest)
- Rockville
(14 miles [22.5 km] to the northwest)
- Gaithersburg
(18 miles [29 km] to the northwest)
- Bowie
(12 miles [19.3 km] to the east)
- Jump to our Gazetteer entry for Bowie
- Bowie is located in Prince George's County
- Population from the 2020 Census: 58,212 people
- Jump to TripAdvisor's Tourism page for Bowie <6>
- Laurel
(12 miles [19.3 km] to the northeast)
- Jump to our Gazetteer entry for Laurel
- Laurel is located in Prince George's County
- Population from the 2020 Census: 25,548 people
- Jump to TripAdvisor's Tourism page for Laurel <6>
- Fairfax
(19 miles [30.6 km] to the west)
- Vienna
(16 miles [25.7 km] to the west)
- Falls Church
(11 miles [17.7 km] to the west)
- District Heights
(7 miles [11.3 km] to the southeast)
- Note: The GPS coordinates that we are using for District Heights have been provided by the GNIS.<7> The coordinates still need to be verified.
- Jump to our Gazetteer entry for District Heights
- District Heights is located in Prince George's County
- Population from the 2020 Census: 5,979 people
- Jump to TripAdvisor's Tourism page for District Heights <6>
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 Mount Rainier. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Mount Rainier.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Mount Rainier. 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 Mount Rainier.
We also have a detailed list of newspapers that have been published in the area around Mount Rainier. See our Newspapers Page for Mount Rainier.
TripAdvisor Tourism Pages for Mount Rainier ...
Looking for more information about Mount Rainier? 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 Mount Rainier, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Mount Rainier.
Adding Mount Rainier to Our Gazetteer ...
We originally found mention of Mount Rainier 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 Mount Rainier was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>
From that list, the Mount Rainier post office opened in 1904.
We also found Mount Rainier on a map titled Shell Oil Road Map for Maryland (1956).
For more details, see References and Mentions for Mount Rainier.
Footnotes ...
| <1> | If you're interested in how the shape of Maryland's counties, including Prince George's, 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 Mount Rainier. |
| <3> | The elevation is an estimate for the area around Mount Rainier - it will be higher in some places and lower in others. |
| <4> | When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 301 code has been Overlayed with one of the following codes: 227 or 240. New phone numbers in the Mount Rainier area will be assigned with one of these codes: 301, 227 or 240. As a result, placing a call in the Mount Rainier area will require 10-digit dialing (where you enter both the area code and then the phone number). |
| <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 Mount Rainier). When looking for a ZIP Code, whether Mount Rainier 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> | 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. |
| <8> | A copy of their list with background information can be found at:
https://cblevins.github.io/us-post-offices/data-biography/ |