Welcome to Marathon ...
The coastal city of Marathon is located in the Florida Keys.
Marathon is located in Monroe County<1>.
While we don't have a date for the founding of Marathon, you might consider that their post office opened in 1909.
From the Census Estimates for 2019, Marathon has a population of 8,540 people<2> (see below for details).
The community of Marathon is near sea level<3>.
Time Zone: Marathon lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time
Telephone area codes for Marathon: (305) & (786)<4>
The ZIP codes for Marathon: 33050-33052<5>
Websites for Marathon ...
Official Website: www.ci.marathon.fl.us/
Population Details ...
Taken from the 2019 Census Estimates, Marathon had an population of 8,540 people. This is an increase of 2.93% since the 2010 Census (or a decrease of 16.72% since the 2000 Census).
At the time of the 2010 Census, Marathon had a population of 8,297 people (which is 11.35% of the total population of Monroe County). This makes Marathon the county's 2nd most populous community.
The population of Marathon represents 0.04% of the total population of Florida (which has 18,801,310 people), making it the state's 173rd most populous community.
With a 2010 count of 8,297 people, the population of Marathon decreased 19.09% from the 2000 Census (which had a count of 10,255 people).
More information can be found on the Census Page for Marathon.
Communities Also Named Marathon ...
Using our Gazetteer, we found that there are 8 communities that are also named Marathon - they are located in Iowa, Louisiana, Mississippi, New York, Ohio, Ontario, Texas and Wisconsin.
For more information, see our Tidbits & Trivia Page for Marathon.
Communities near Marathon ...
We have created a list of 10 communities that are near Marathon.
- Layton
(19 miles [30.6 km] to the northeast) - Key Colony Beach
(4 miles [6.4 km] to the east)- Jump to our Gazetteer entry for Key Colony Beach
- Key Colony Beach is located in Monroe County
- Population from the 2020 Census: 795 people
- Jump to TripAdvisor's Tourism page for Key Colony Beach <7>
- Duck Key
(12 miles [19.3 km] to the east)- Jump to our Gazetteer entry for Duck Key
- Duck Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Duck Key <7>
- Conch Key
(13 miles [20.9 km] to the northeast)- Jump to our Gazetteer entry for Conch Key
- Conch Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Conch Key <7>
- Big Pine Key
(16 miles [25.7 km] to the west)- Jump to our Gazetteer entry for Big Pine Key
- Big Pine Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Big Pine Key <7>
- Long Key
(16 miles [25.7 km] to the northeast)- Jump to our Gazetteer entry for Long Key
- Long Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Long Key <7>
- Little Torch Key
(18 miles [29 km] to the west)- Jump to our Gazetteer entry for Little Torch Key
- Little Torch Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Little Torch Key <7>
- Ramrod Key
(20 miles [32.2 km] to the west)- Jump to our Gazetteer entry for Ramrod Key
- Ramrod Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Ramrod Key <7>
- Summerland Key
(22 miles [35.4 km] to the west)- Jump to our Gazetteer entry for Summerland Key
- Summerland Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Summerland Key <7>
- Cudjoe Key
(25 miles [40.2 km] to the west)- Jump to our Gazetteer entry for Cudjoe Key
- Cudjoe Key is located in Monroe County
- Jump to TripAdvisor's Tourism page for Cudjoe Key <7>
TripAdvisor Tourism Pages for Marathon ...
Looking for more information about Marathon? 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 Marathon, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Marathon.
Adding Marathon to Our Gazetteer ...
We originally found mention of Marathon 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 Marathon was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>
From that list, the Marathon post office opened in 1909.
We also found Marathon on a map titled Shell Oil Road Map for Florida (1956).
For more details, see References and Mentions for Marathon.
Off-the-Road Links ...
The official website for Marathon: www.ci.marathon.fl.us/
The official website for Monroe County: www.co.monroe.fl.us/
The official website for State of Florida: www.myflorida.com/
Footnotes ...
| <1> | If you're interested in how the shape of Florida's counties, including Monroe, 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 Marathon. |
| <3> | The elevation is an estimate for the area around Marathon - it will be higher in some places and lower in others. |
| <4> | Area code (786) is an overlay for area code (305). |
| <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 Marathon). When looking for a ZIP Code, whether Marathon or elsewhere, it's always best to check the website of the United States Postal Service (USPS). Our list of ZIP Codes for Marathon includes: 33050, 33051 & 33052. |
| <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> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <8> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |