Population
9,914
+16.8% since 2010
Typical home
$833K
+1.1% in a year
Household income
$89K
median
Jobs based here
3,523
Balanced
What makes Marathon stand out The 3 things Marathon does most differently from other towns.
By the sea Marathon lives by the ocean Coastal flooding makes up 20% of the storm damage FEMA expects here.
20% of expected storm damage is coastal flooding
100th percentile for coastal flood risk nationally
2,134 paid flood-insurance claims since 1998
13 storm & flood disasters paid out here
On the water
How did your street fare in the last storm?
FEMA National Risk Index · OpenFEMA · OpenStreetMap
Residents weigh in
Marathon is #4 of 635 in FL for “Shortest commute”. Fair?
Agree Disagree
Your answer becomes a post in Marathon’s Town Square. Ask me another →
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In the news: Frostproof vs Marathon - Girls Varsity Basketball 12/10/2026 | Watch … → How did your street fare in the last storm? → Is Marathon still affordable for young families? → How do you get to work from Marathon? →
Upcoming events
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The data Ordered by what stands out in Marathon. Another town gets a different order.
Housing
A typical Marathon home is worth about $833K The typical Marathon home is worth about $833,000, up 1.1% in a year, 122% above the Florida typical home.
$833K Zillow home value
Typical home value Marathon $833K
Florida $376K
Market temperature
Buyer’s market A balanced market Buyer’s Seller’s +1.1%
value change, 1 year
Work & commute
About one in three working residents works right in Marathon About one in 3 of Marathon’s working residents works in town. The top destinations are Key West (10%), Miami (3%) and Key Colony Beach (3%). Half commute less than 45 miles.
37% work in town
Where working residents work In Marathon 37%
Key West 10%
Miami 3%
Key Colony Beach 3%
Islamorada, Village of Islands 2%
45 mi
median commute distance
3,523
jobs based in Marathon
Balanced
jobs vs. working residents
Outdoors
22.2% of Marathon is conserved land 3.7 miles of trails across 8 parks and preserves.
22.2% conserved
Green: conserved land · dashed: trails · numbers: the places below 22.2%
conserved · 1,316 of 5,923 acres
3.7 mi
of trails · 0.4 per sq mi
#32
most conserved land in FL
Biggest places to walk Trails Acres 1. Curry Hammock State Park 1.4 mi 733 2. Marathon Community Park 0.7 mi 13 3. Florida Keys National Marine Sanctuary 0.1 mi 546
Schools
Marathon’s public schools outperform 70% of Florida districts The public schools Marathon’s kids attend, from kindergarten through graduation, outperform 70% of Florida’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.
B+ School Grade
Health
Healthier than 62% of U.S. towns Marathon beats the Florida average on 1 of 26 CDC measures and trails it on 1.
B Health Grade
26 measures vs. Florida
What stands out Marathon FL More adults getting cholesterol checked 88.6% 87% More adults who have had cancer 10.2% 9.1%
Fishermen's Community Hospital
4.6 mi away · emergency room
1 of 3
care shortages: mental health
60th
percentile among FL towns
Natural hazards
Very high risk, with hurricanes at the top Expected storm and flood damage is higher than in 93% of U.S. communities.
93 risk score of 100
FEMA risk score
93 Very high risk Lower Higher Hurricanes Coastal flooding
2,134
paid flood claims since 1998
13
federal disasters paid out here
Climate
Mild winters, hot summers Marathon has warm winters and warm summers. A typical July afternoon reaches 90°, a January night drops to 64°, and snow is almost unheard of.
90° summer high
Typical low → high °F Winter 65–77°
Spring 71–83°
Summer 78–90°
Fall 74–85°
+1.8°
vs. the 20th-century average
A growing town Marathon has grown 16.8% since 2010 8,297 people in 2010; 9,914 today.
What’s changed most in Marathon? 8,297 2010
9,689 2020
9,914 Today
U.S. Census 2010 & 2020 · ACS
1965 · Campsites at Knights Key Park Campground · Wikimedia Commons
Marathon’s story
27 years in pictures
18 postcards, papers and photographs from public archives, and 2 places on the National Register.
Explore the history →
Marathon is a city in the middle of the Florida Keys, in Monroe County, Florida, United States. As of 2024, the city had a population of 9,914, up from 8,297 in 2010.
From Wikipedia , licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Established 1999
Population 9,689
Area 9.3 sq mi
Elevation 3 ft
ZIP code 33050
Area code 305 
