Marathon, Florida Population 2024

9,741

Marathon is a city located in Monroe County Florida. Marathon has a 2024 population of 9,741. Marathon is currently declining at a rate of -0.59% annually and its population has decreased by -1.18% since the most recent census, which recorded a population of 9,857 in 2020.

The average household income in Marathon is $114,216 with a poverty rate of 10.97%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Marathon is 47.2 years, 47.9 years for males, and 46.1 years for females.

Marathon Demographics

According to the most recent ACS, the racial composition of Marathon was:

  • White: 73.52%
  • Two or more races: 18.57%
  • Black or African American: 4.21%
  • Other race: 3.18%
  • Asian: 0.52%
  • Native American:
  • Native Hawaiian or Pacific Islander:
State
Florida
Land Area (mi²)
8.4 sq mi
Density (mi²)
1,153.30/sq mi
Growth Since 2020
-1.18% (-116)
The current population of Marathon, Florida is 9,741 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 9,857.

Marathon, Florida Population 2024

Population by Race

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Race
Population
Percentage (of total)
White7,19773.52%
Two or more races1,81818.57%
Black or African American4124.21%
Other race3113.18%
Asian510.52%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Marathon Population by Race

Marathon Population Pyramid 2024

Marathon Median Age

47.2

Total

47.9

Male

46.1

Female

Marathon Adults

There are 7,925 adults, (2,089 of whom are seniors) in Marathon.

Marathon Age Dependency

67.7

Age Dependency Ratio

35.8

Old Age Dependency Ratio

31.9

Child Dependency Ratio

Marathon Sex Ratio

Female4,65847.58%
Male5,13152.42%

Marathon Population by Age

Marathon Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,9562.4651.948.1
Married1,7853.0961.138.9
Non Family1,6171.3549.550.5
Male3003.3640.359.7
Female2543.9316.183.9
showing: 5 rows

3.05

Average Family Size

2.46

Average Household Size

51.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marathon Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Marathon Educational Attainment by Sex (over 25)

Marathon Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 97.34%.

The highest rate of bachelors degrees is among white people with a rate of 37.62%.

Marathon Educational Attainment by Race

All

Male

Female

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$40,806

Average Earnings

$45,945

Average Male

$33,776

Average Female

Marathon Earnings by Educational Attainment

Marathon Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Marathon Language

69.72% of Marathon residents speak only English, while 30.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 28.03% of the population.

Marathon Language

Marathon Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Hispanic3,95166316.78%
Multiple1,81543924.19%
White5,1133216.28%
Other3115517.68%
Black405338.15%
Asian502244%
showing: 6 rows

10.97%

Overall Poverty Rate

10.69%

Male Poverty Rate

11.28%

Female Poverty Rate

Poverty in Marathon

The race most likely to be in poverty in Marathon is Asian, with 44% below the poverty level.

The race least likely to be in poverty in Marathon is White, with 6.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.6%. Among those working part-time, it was 10.21%, and for those that did not work, the poverty rate was 19.51%.

Marathon Poverty

rate

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Rate
Poverty
Less Than 9th Grade21.64%
High School15.46%
Some College7.5%
Bachelors or Greater2.56%
showing: 4 rows

Marathon Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed17.59%
Female Employed9.22%
Male Employed3.23%
Female Unemployed
showing: 4 rows

Marathon Poverty Rate by Employment Status and Sex

Marathon Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Marathon Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.0%

Overall Marriage Rate

44.9%

Male Marriage Rate

49.4%

Female Marriage Rate

Marathon Married by Age and Sex

male

female

Marathon Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Marathon Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marathon Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

401

Number of Veterans

380

Male Veterans

21

Female Veterans

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Marathon Veterans by War

count

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Marathon Veterans by Age

count

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Marathon Veterans by Race

Marathon Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

11.65%

Veteran Poverty Rate

25.82%

Veteran Disability Rate

Marathon Veterans by Education

LaborForceParticipation

68.9%

Labor Force Participation

64%

Employment Rate

6%

Unemployment Rate

Marathon Employment by Age

LaborForceParticipation

Marathon Employment by Race

LaborForceParticipation

Marathon Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

30.11%

Born in Marathon

70.94%

Native Born

29.06%

Foreign Born

11.93%

Non Citizen

17.13%

Naturalized

Place of Birth

70.94% of Marathon residents were born in the United States, with 30.11% having been born in Florida. 11.93% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Marathon Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20299,451-58-0.61%
20289,509-58-0.61%
20279,567-58-0.6%
20269,625-58-0.6%
20259,683-58-0.6%
20249,741-58-0.59%
20239,799-58-0.59%
20229,857-58-0.58%
20219,915580.59%
20209,8571,31715.42%
20198,540-18-0.21%
20188,558-264-2.99%
20178,822-20-0.23%
20168,8421381.59%
20158,704580.67%
20148,646470.55%
20138,5991481.75%
20128,451570.68%
20118,394750.9%
20108,319-1,936-18.88%
200010,255
showing: 21 rows

Marathon Population by Year