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CITY · 2000 CENSUS

Marathon

Florida · 10,255 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 $36,010. Population has grown 16% since 1990. Median home value is $149,700. With a median age of 43.8, the population is older than the US median of 35.2.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 43.8
US median: 35.2
Average education
21% hold a bachelor's degree
US average: 24%
More affordable
home values down 21%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
10,255
+16%since 1990
from 8,857 in 1990
1990 – 2025
Median age
43.8
+3%since 1990
from 42.4 in 1990
US average: 35.2
Population, 1990 – 2024
8K9K9K10K10K1990201020202024Marathon
202410K
1990201020202024
Age distribution, 2000
Under 54.1%(418)
US avg: 6.8%
5 to 94.7%(484)
US avg: 7.3%
10 to 145.5%(569)
US avg: 7.3%
15 to 194.7%(479)
US avg: 7.2%
20 to 244.4%(449)
US avg: 6.7%
25 to 3411.7%(1,200)
US avg: 14.2%
35 to 4416.9%(1,735)
US avg: 16%
45 to 5418.7%(1,913)
US avg: 13.4%
55 to 6413.3%(1,366)
US avg: 8.6%
65 to 749.5%(976)
US avg: 6.5%
75 to 845.3%(539)
US avg: 4.4%
85 and over1.2%(127)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$36,010
+7%inflation adjusted, since 1990
from $25,483 in 1990
US average: $42,589
1990 – 2024
Per capita income
$22,894
+36%since 1990
from $16,790 in 1990
US average: $21,522
Poverty rate
14.2%
−0.9 ptssince 1990
from 15.1% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$149,700
−21%inflation adjusted, since 1990
from $143,800 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$705
Unchangedinflation adjusted, since 1990
from $535 in 1990
US average: $602
Owner-occupied
63.2%
−2.3 ptssince 1990
from 65.5% in 1990
36.8% rent
RELATED:See current rent listings in Marathon on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic90.3%(8,001)
Black6.6%(586)
Hispanic / Latino12.1%(1,075)
Asian0.5%(48)
2000
White, non-Hispanic73.3%(7,513)
Black4.4%(449)
Hispanic / Latino20.4%(2,095)
Asian0.5%(47)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Cuban22.8%(2,259)
Nicaraguan3.1%(306)
Guatemalan1.5%(151)
Mexican1.3%(130)
Venezuelan1.3%(127)
Argentine0.9%(91)
Dominican0.7%(69)
Honduran0.5%(50)
Puerto Rican0.4%(38)
Peruvian0.3%(29)
+ 2 more hispanic origin groups with data
Colombian0.2%(21)
Salvadoran0.1%(8)
Asian origin
Chinese0.2%(24)
Vietnamese0.2%(23)
Filipino0.1%(7)
Pacific Islander origin
Ancestry
German14.6%(1,450)
English9.8%(972)
Irish9.2%(911)
French4.8%(480)
Italian4.3%(427)
American3.9%(387)
Polish3%(295)
Scottish1.4%(135)
Swedish1.2%(117)
Russian0.9%(90)
West Indian0.9%(88)
+ 26 more ancestry groups with data
Welsh0.6%(60)
Haitian0.6%(59)
Dutch0.6%(57)
Norwegian0.6%(57)
British0.6%(56)
Hungarian0.4%(39)
Austrian0.4%(38)
Swiss0.4%(38)
Finnish0.2%(24)
Portuguese0.2%(24)
Brazilian0.2%(23)
Scotch-Irish0.2%(21)
Czech0.2%(20)
Canadian0.2%(19)
Greek0.2%(19)
Ukrainian0.2%(19)
Belgian0.2%(18)
Jamaican0.1%(13)
Danish0.1%(11)
Armenian0.1%(10)
Croatian0.1%(7)
Slovak0.1%(7)
Latvian0%(2)
RANKED:Largest Cuban population · Largest German population · Largest English population · Largest Irish population · Largest Central American population
Section 05

Education

Bachelor's degree or higher
21.0%
+4.8 ptssince 1990
from 16.1% in 1990
US average: 24.4%
High school or higher
80.5%
+8.5 ptssince 1990
from 72.0% in 1990
US average: 80.3%
Graduate degree
5.8%
−0.1 ptssince 1990
from 5.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
12.4 min
−8%since 1990
from 13.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married25.5%(1,205)
Married55.1%(2,600)
Widowed2.8%(133)
Divorced16.6%(782)
Women 15+
Never married15%(605)
Married60.6%(2,449)
Widowed10%(403)
Divorced14.5%(587)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper

Places similar to Marathon

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Pop 10,292
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Pop 10,486
Lighthouse Point
Pop 10,756
Mascotte
Pop 10,150
Places similar to Marathon
Head to head

Compare Marathon to nearby cities

MARATHON VS
Key Largo
Income$85,778+138%
Home value$643,900+330%
Population13,026+29%
SEE FULL COMPARISON →
MARATHON VS
Key West
Income$87,037+142%
Home value$852,400+469%
Population24,999+148%
SEE FULL COMPARISON →
MARATHON VS
Florida City
Income$47,482+32%
Home value$399,200+167%
Population13,576+35%
SEE FULL COMPARISON →
MARATHON VS
Homestead
Income$65,423+82%
Home value$380,000+154%
Population86,242+757%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marathon, Florida?

Marathon, Florida has about 10,255 residents according to the 2000 Census.

What is the median household income in Marathon, Florida?

The typical household in Marathon, Florida earns about $36,010 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 $149,700, and the typical rent is about $705 a month.

How educated are people in Marathon, Florida?

About 21.0% 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 14.2% 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 1,398 residents, a change of about 16 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 →