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CITY · 2020 ACS

Marathon

Florida · 9,689 residents · 8.446 sq mi
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The short version

Marathon has lower-than-average household income, with a median household income of $56,008. Population has declined 6% since 2000. Median home value has roughly tripled since 2000, reaching $517,200. With a median age of 49.8, the population is older than the US median of 38.8.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 49.8
US median: 38.8
Average education
33% hold a bachelor's degree
US average: 33%
Less affordable
home values up 130%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
9,689
−6%since 2000
from 10,255 in 2000
1990 – 2025
Median age
49.8
+14%since 2000
from 43.8 in 2000
US average: 38.8
Population, 1990 – 2024
8K9K9K10K10K1990201020202024Marathon
202410K
1990201020202024
Age distribution, 2020
Under 53.5%(336)
US avg: 5.6%
5 to 94.3%(412)
US avg: 6.1%
10 to 144.7%(452)
US avg: 6.5%
15 to 194.4%(423)
US avg: 6.6%
20 to 244.4%(430)
US avg: 6.7%
25 to 3410.2%(989)
US avg: 13.5%
35 to 4412.2%(1,184)
US avg: 12.7%
45 to 5414.3%(1,390)
US avg: 12.3%
55 to 6418.7%(1,814)
US avg: 13.1%
65 to 7414.9%(1,442)
US avg: 10%
75 to 846.7%(648)
US avg: 4.9%
85 and over1.7%(169)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$56,008
+3%inflation adjusted, since 2000
from $36,010 in 2000
US average: $66,278
1990 – 2024
Per capita income
$39,699
+73%since 2000
from $22,894 in 2000
US average: $35,364
Households earning $100K+
39.0%
+11.3 ptssince 2009
from 27.7% in 2009
US average: 43.9%
Poverty rate
9.4%
−4.8 ptssince 2000
from 14.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Information13.7%
US avg: 11.1%
Wholesale trade11.7%
US avg: 6.7%
Other services8.4%
US avg: 6.6%
Finance & insurance6.4%
US avg: 5.5%
Professional, scientific, technical4.8%
US avg: 4.7%
Agriculture, forestry, fishing3.9%
US avg: 1.7%
Construction3.9%
US avg: 1.2%
Public administration3.2%
US avg: 4.7%
Retail trade2.1%
US avg: 10%
Education & health services1.7%
US avg: 0.8%
Transportation & warehousing1.6%
US avg: 2.5%
Arts, entertainment, food1.2%
US avg: 2%
Manufacturing0%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$517,200
+130%inflation adjusted, since 2000
from $149,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,332
+26%inflation adjusted, since 2000
from $705 in 2000
US average: $1,124
Owner-occupied
57.2%
−5.9 ptssince 2000
from 63.2% in 2000
42.8% rent
Afford Score
9.2
+6%since 2009
from 8.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Marathon on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic73.3%(7,513)
Black4.4%(449)
Hispanic / Latino20.4%(2,095)
Asian0.5%(47)
Other0%
2020
White, non-Hispanic62.5%(6,058)
Black3.8%(365)
Hispanic / Latino30%(2,904)
Asian0.9%(84)
Other0.4%(35)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Cuban21.5%(1,880)
Mexican4.1%(361)
Nicaraguan3.2%(284)
Puerto Rican1.9%(168)
Argentine1.3%(112)
Dominican1%(89)
Colombian1%(84)
Venezuelan0.7%(61)
Costa Rican0.5%(42)
Salvadoran0.5%(42)
+ 3 more hispanic origin groups with data
Guatemalan0.5%(40)
Peruvian0.3%(30)
Honduran0.3%(23)
Asian origin
Vietnamese0.5%(46)
Asian Indian0.2%(17)
Korean0.1%(6)
Ancestry
Irish9.9%(866)
German9.2%(809)
English7.2%(629)
Italian6.7%(585)
American4%(346)
Polish3.9%(342)
French2.5%(219)
West Indian1.6%(138)
Haitian1.6%(136)
Scottish1.4%(125)
Welsh0.8%(73)
+ 26 more ancestry groups with data
British0.8%(70)
Dutch0.8%(69)
Swedish0.7%(60)
Norwegian0.5%(41)
Canadian0.4%(38)
Israeli0.4%(36)
Belgian0.4%(33)
Czech0.4%(32)
Russian0.3%(28)
Greek0.3%(27)
Scotch-Irish0.3%(25)
Slovene0.2%(19)
Danish0.2%(16)
Swiss0.2%(16)
Syrian0.2%(15)
Austrian0.1%(12)
Hungarian0.1%(12)
Jordanian0.1%(9)
Portuguese0.1%(9)
Brazilian0.1%(8)
Lebanese0.1%(7)
Croatian0.1%(6)
Lithuanian0.1%(6)
Ukrainian0.1%(6)
RANKED:Largest Cuban population · Largest Irish population · Largest German population · Largest English population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
33.3%
+12.3 ptssince 2000
from 21.0% in 2000
US average: 32.9%
High school or higher
89.9%
+9.4 ptssince 2000
from 80.5% in 2000
US average: 88.5%
Graduate degree
9.7%
+3.9 ptssince 2000
from 5.8% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
13.1 min
+6%since 2000
from 12.4 min in 2000
US average: 26.9
Drive alone to work
68.5%
−4.2 ptssince 2009
from 72.7% in 2009
US average: 75.1%
No vehicle available
9.2%
+0.4 ptssince 2009
from 8.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
7.8%
−0.3 ptssince 2011
from 8.1% in 2011
US average: 5.4%
Labor force participation
65.9%
+3.3 ptssince 2011
from 62.6% in 2011
US average: 63.4%
Management & professional
26.7%
−30.9 ptssince 2009
from 57.6% in 2009
US average: 39.3%
Section 08

People & community

Male
53.2%
−0.7 ptssince 2009
from 54.0% in 2009
Female
46.8%
+0.7 ptssince 2009
from 46.0% in 2009
Foreign born
28.6%
+10.1 ptssince 2009
from 18.5% in 2009
US average: 13.5%
Uninsured
19.0%
−53.6 ptssince 2013
from 72.6% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married26.8%(1,134)
Married55.6%(2,354)
Widowed3.5%(148)
Divorced14.1%(596)
Women 15+
Never married22.6%(879)
Married59.1%(2,294)
Widowed4.6%(179)
Divorced13.7%(532)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Pop 10,150
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Head to head

Compare Marathon to nearby cities

MARATHON VS
Key Largo
Income$85,778+53%
Home value$643,900+24%
Population13,026+29%
SEE FULL COMPARISON →
MARATHON VS
Key West
Income$87,037+55%
Home value$852,400+65%
Population24,999+148%
SEE FULL COMPARISON →
MARATHON VS
Florida City
Income$47,482−15%
Home value$399,200−23%
Population13,576+35%
SEE FULL COMPARISON →
MARATHON VS
Homestead
Income$65,423+17%
Home value$380,000−27%
Population86,242+757%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marathon, Florida?

Marathon, Florida has about 9,689 residents according to the 2020 American Community Survey.

What is the median household income in Marathon, Florida?

The typical household in Marathon, Florida earns about $56,008 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 $517,200, and the typical rent is about $1,332 a month.

How educated are people in Marathon, Florida?

About 33.3% 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 9.4% 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 832 residents, a change of about 9 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →