Marathon, FL
Demographics And Statistics

We take you around Marathon to find out what it's like to call it home.

Living in Marathon, Florida

Life in Marathon research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Marathon over the past nine years using Census, FBI, Zillow, and other primary data sources. Here's a snapshot of Marathon based on the most recently available data.

9,914 Population
$825,706 Median home value
$89,355 Median income
145 Cost of living +45% vs US
$1,633 Median rent
4.3% Unemployment
Not sure Marathon fits? Try our place-match quiz → Planning a move? Find movers to Marathon, FL Get matched →

Marathon SnackAbility

7.5
Overall SnackAbility
Jobs 6/10
Housing 9/10
Affordability 3/10
Diversity 9/10
SafetyN/A
Amenities 8/10
Education 8/10
Commute 10/10

Cost of living in Marathon summary. We use data on the cost of living to determine how expensive it is to live in Marathon. Real estate prices drive most of the variance in cost of living around Florida. Key points include:

  • The cost of living in Marathon is 145 with 100 being average.

  • The cost of living in Marathon is 1.4x higher than the national average.

  • The median home value in Marathon is $825,706.

  • The median income in Marathon is $89,355.

145
Marathon's Overall Cost Of Living
1.4x
Higher Than The National Average
Marathon
US

Cost Of Living In Marathon Comparison Table

Living Expense Marathon Florida National Average
Overall 145 104 100
Services 102 101 100
Groceries 105 105 100
Health 246 99 100
Housing 107 104 100
Transportation 115 109 100
Utilities 105 105 100
Protect your home budget Compare home warranties in Marathon Get matched →

Source: Cost of living index, normalized to US average = 100

Marathon, FL Weather

  • The average high in Marathon is 82.7° and the average low is 72.7°.

  • There are 53.2 days of precipitation each year.

  • Expect an average of 42.3 inches of precipitation each year with 0.0 inches of snow.

StatMarathon
Average Annual High82.7
Average Annual Low72.7
Annual Precipitation Days53.2
Average Annual Precipitation42.3
Average Annual Snowfall0.0
82.7°
Average High
53.2
Days of Rain

Source: NOAA climate normals (30-year)

Marathon, FL Photos

Beach Resort
Source: Wikipedia User Edgar Serrano | CC BY-SA 3.0

Rankings & Articles For Marathon

Locations Around Marathon

Map Of Marathon, FL

Best Places Around Marathon

1

Key West, FL
Population 25,720

$1,018,284+23% vs Marathon
2

Key Largo, FL
Population 13,026

$1,077,894+31% vs Marathon

Marathon Demographics And Statistics

Population over time in Marathon

The current population in Marathon is 9,914. The population has increased 16.7% from 2010.

Year Population % Change
2024 9,914 0.8%
2023 9,831 0.4%
2022 9,789 1.7%
2021 9,622 10.0%
2020 8,746 0.5%
2019 8,702 -0.4%
2018 8,737 -0.1%
2017 8,748 0.5%
2016 8,701 1.6%
2015 8,563 0.4%
2014 8,529 1.5%
2013 8,405 0.2%
2012 8,389 -0.3%
2011 8,415 -1.0%
2010 8,498 -

Race / Ethnicity in Marathon

White 59.5% (5,902)
African American 2.1% (210)
American Indian 0.0% (0)
Asian 0.3% (34)
Hawaiian 0.0% (0)
Other 0.2% (20)
Two Or More 3.6% (353)
Hispanic 34.2% (3,395)
See the full breakdown

Marathon is:

  • 59.5% White with 5,902 White residents.

  • 2.1% African American with 210 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 0.3% Asian with 34 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.2% Other with 20 Other residents.

  • 3.6% Two Or More with 353 Two Or More residents.

  • 34.2% Hispanic with 3,395 Hispanic residents.

Race Marathon FL USA
White 59.5% 50.4% 57.4%
African American 2.1% 14.6% 11.9%
American Indian 0.0% 0.1% 0.5%
Asian 0.3% 2.9% 5.9%
Hawaiian 0.0% 0.1% 0.2%
Other 0.2% 0.7% 0.6%
Two Or More 3.6% 3.8% 4.3%
Hispanic 34.2% 27.4% 19.3%

Gender in Marathon

Female 47.1% (4,668)
Male 52.9% (5,245)
See the full breakdown
  • Marathon is 47.1% female with 4,668 female residents.

  • Marathon is 52.9% male with 5,245 male residents.

Gender Marathon FL USA
Female 47.1% 50.9% 50.5%
Male 52.9% 49.1% 49.5%

Highest level of educational attainment in Marathon for adults over 25

< 9th Grade 2.0% (198)
9-12th Grade 6.0% (594)
High School / GED 32.0% (3,172)
Some College 18.0% (1,784)
Associate's Degree 8.0% (793)
Bachelor's Degree 18.0% (1,784)
Master's Degree 10.0% (991)
Professional Degree 4.0% (396)
Doctorate Degree 2.0% (198)
See the full breakdown
  • 2.0% of adults in Marathon completed < 9th grade.

  • 6.0% of adults in Marathon completed 9-12th grade.

  • 32.0% of adults in Marathon completed high school / ged.

  • 18.0% of adults in Marathon completed some college.

  • 8.0% of adults in Marathon completed associate's degree.

  • 18.0% of adults in Marathon completed bachelor's degree.

  • 10.0% of adults in Marathon completed master's degree.

  • 4.0% of adults in Marathon completed professional degree.

  • 2.0% of adults in Marathon completed doctorate degree.

Education Marathon FL USA
< 9th Grade 2.0% 5.0% 4.0%
9-12th Grade 6.0% 6.0% 6.0%
High School / GED 32.0% 27.0% 26.0%
Some College 18.0% 19.0% 19.0%
Associate's Degree 8.0% 10.0% 9.0%
Bachelor's Degree 18.0% 21.0% 22.0%
Master's Degree 10.0% 9.0% 10.0%
Professional Degree 4.0% 2.0% 2.0%
Doctorate Degree 2.0% 1.0% 2.0%

Household Income For Marathon, Florida

Less than $10,000 5.0% (49,347)
$10,000 to $14,999 1.7% (17,025)
$15,000 to $24,999 6.8% (67,359)
$25,000 to $34,999 7.9% (78,463)
$35,000 to $49,999 9.0% (89,073)
$50,000 to $74,999 13.0% (128,798)
$75,000 to $99,999 11.0% (108,565)
$100,000 to $149,999 17.5% (173,457)
$150,000 to $199,999 10.7% (105,851)
$200,000 or more 17.5% (173,457)
See the full breakdown
  • 5.0% of households in Marathon earn Less than $10,000.

  • 1.7% of households in Marathon earn $10,000 to $14,999.

  • 6.8% of households in Marathon earn $15,000 to $24,999.

  • 7.9% of households in Marathon earn $25,000 to $34,999.

  • 9.0% of households in Marathon earn $35,000 to $49,999.

  • 13.0% of households in Marathon earn $50,000 to $74,999.

  • 11.0% of households in Marathon earn $75,000 to $99,999.

  • 17.5% of households in Marathon earn $100,000 to $149,999.

  • 10.7% of households in Marathon earn $150,000 to $199,999.

  • 17.5% of households in Marathon earn $200,000 or more.

Income Marathon FL USA
Less than $10,000 5.0% 5.1% 5.0%
$10,000 to $14,999 1.7% 3.3% 3.4%
$15,000 to $24,999 6.8% 6.6% 6.3%
$25,000 to $34,999 7.9% 7.3% 6.6%
$35,000 to $49,999 9.0% 11.1% 10.1%
$50,000 to $74,999 13.0% 16.8% 15.5%
$75,000 to $99,999 11.0% 13.1% 12.6%
$100,000 to $149,999 17.5% 17.2% 17.5%
$150,000 to $199,999 10.7% 8.4% 9.6%
$200,000 or more 17.5% 11.0% 13.4%

Source: U.S. Census ACS 5-year estimates (2024)