United States › Florida › Marathon CITY
Marathon Florida · 10,060 residents (2025 est.) · 8.45 sq mi
Time machine
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The short version
With 9,914 people, Marathon is a city in Florida. Home values have more than tripled since 2000, reaching $725,800. At a median age of 45.6, this is an older place than the country as a whole. Getting to work takes 14 minutes on average. 24% of locals were born outside the United States. Households here earn about 20% more than in Florida as a whole.
At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 45.6
US median: 38.9
Average education
33% hold a bachelor's degree
US average: 36%
Less affordable
home values up 166%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 10,255 in 2000
10,060 in 2025 (Census Bureau estimate)
1,174 / sq mi
+2%since 2009
from 1,148 / sq mi in 2009
US average: 281
from 43.8 in 2000
US average: 38.9
Population, 1990 – 2024
8K 9K 9K 10K 10K 1990 2000 2010 2020 2024 Marathon Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $89,355
+36%inflation adjusted, since 2000
from $36,010 in 2000
US average: $82,259
from $22,894 in 2000
US average: $44,673
Households earning $100K+
from 27.7% in 2009
US average: 53.3%
from 14.2% in 2000
US average: 12.5%
from 0.475 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 4.7%
Professional, scientific, technical 3.6%
Education & health services 2.8%
Transportation & warehousing 2%
Public administration 1.8%
Arts, entertainment, food 1.1%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$725,800
+166%inflation adjusted, since 2000
from $149,700 in 2000
US average: $376,019
$1,633
+27%inflation adjusted, since 2000
from $705 in 2000
US average: $1,442
from 63.2% in 2000
39.8% rent
from 40.7% in 2009
US average: 10.0%
2.45 people
+11%since 2009
from 2.21 people in 2009
US average: 2.54
from 45.7% in 2009
US average: 22.9%
from 46.6% in 2009
US average: 47.4%
from 8.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 73.3%(7,513)
Hispanic / Latino 20.4%(2,095)
2024
White, non-Hispanic 59.5%(5,902)
Hispanic / Latino 34.2%(3,395)
from 52 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 2 more hispanic origin groups with data Ancestry
+ 26 more ancestry groups with data from 21.0% in 2000
US average: 35.6%
High school or higher
from 80.5% in 2000
US average: 89.6%
from 5.8% in 2000
US average: 14.0%
Section 06
Commute & transportation from 12.4 min in 2000
US average: 26.5
from 72.7% in 2009
US average: 68.9%
from 9.0% in 2009
US average: 8.5%
from 2.2% in 2009
US average: 3.2%
from 4.4% in 2009
US average: 15.0%
from 7.7% in 2009
US average: 2.4%
from 2.0% in 2009
US average: 0.4%
from 8.8% in 2009
US average: 8.3%
Section 07
Work & employment from 8.1% in 2011
US average: 5.2%
from 62.6% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 74.9% in 2020
US average: 74.6%
from 10.9% in 2009
US average: 13.1%
from 24.5% in 2009
US average: 42.5%
Section 08
People & community from 18.5% in 2009
US average: 14.1%
from 11.9% in 2009
US average: 6.2%
from 13.3% in 2012
US average: 13.3%
from 27.4% in 2013
US average: 8.4%
from 76.5% in 2017
US average: 91.0%
Computer in household
from 93.9% in 2020
US average: 95.5%
from 77.5% in 2020
US average: 87.7%
from 66.4% in 2016
US average: 77.7%
from 29.9% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 26.8%(1,134)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 27.4% in 2013
US average: 8.4%
from 35.5% in 2020
US average: 54.8%
Direct-purchase
from 26.3% in 2020
US average: 13.8%
from 22.1% in 2020
US average: 18.4%
from 15.0% in 2020
US average: 20.9%
VA health care
from 3.3% in 2020
US average: 2.2%
Any private
from 61.5% in 2020
US average: 67.1%
Any public
from 34.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 11%(44)
Gulf War (1990s) 10.3%(41)
Share of the 399 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Marathon Head to head
Compare Marathon to nearby cities MARATHON VS
Key Largo
Income $85,778 −4%
Home value $643,900 −11%
Population 13,026 +29%
SEE FULL COMPARISON →
MARATHON VS
Key West
Income $87,037 −3%
Home value $852,400 +17%
Population 24,999 +148%
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MARATHON VS
Florida City
Income $47,482 −47%
Home value $399,200 −45%
Population 13,576 +35%
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MARATHON VS
Homestead
Income $65,423 −27%
Home value $380,000 −48%
Population 86,242 +757%
SEE FULL COMPARISON →
Frequently asked
How many people live in Marathon, Florida? Marathon, Florida has about 9,914 residents according to the 2024 American Community Survey.
What is the median household income in Marathon, Florida? The typical household in Marathon, Florida earns about $89,355 a year. Half of households make more than that, and half make less.
Is Marathon, Florida expensive? In Marathon, Florida, the median home is worth about $725,800, and the typical rent is about $1,633 a month.
How educated are people in Marathon, Florida? About 33.1% of adults age 25 and over in Marathon, Florida hold a bachelor's degree or higher.
What is the poverty rate in Marathon, Florida? About 13.4% of people in Marathon, Florida live below the federal poverty line.
Has Marathon, Florida grown since 1990? Yes, Marathon, Florida has grown since 1990. The population has added about 1,057 residents, a change of about 12 percent over that period.
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