Marathon, Florida Population 2020

8,623

Marathon is a city located in Florida. With a 2020 population of 8,623, it is the 179th largest city in Florida and the 3411th largest city in the United States. Marathon is currently declining at a rate of -0.13% annually but its population has increased by 3.93% since the most recent census, which recorded a population of 8,297 in 2010. Marathon reached it's highest population of 10,255 in 2000. Spanning over 9 miles, Marathon has a population density of 1,021 people per square mile.

The average household income in Marathon is $84,395 with a poverty rate of 14.29%. The median rental costs in recent years comes to $1,310 per month, and the median house value is $389,300. The median age in Marathon is 47.4 years, 46.7 years for males, and 47.7 years for females. For every 100 females there are 122.6 males.

Marathon Demographics

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

  • White: 90.29%
  • Black or African American: 7.15%
  • Other race: 1.09%
  • Asian: 1.02%
  • Two or more races: 0.45%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Marathon, Florida is 8,623, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 8,645.The last official US Census in 2010 recorded the population at 8,297.

Marathon, Florida Population 2020

Population by Race

Race Population Percentage
White7,88990.29%
Black or African American6257.15%
Some Other Race951.09%
Asian891.02%
Two or More Races390.45%

Marathon Population Pyramid 2020

Marathon Median Age

47.4


Total

46.7


Male

47.7


Female

Marathon Adults

There are 7,376 adults, (1,923 of whom are seniors) in Marathon.

Marathon Age Dependency

60.2

Age Dependency Ratio

35.3

Old Age Dependency Ratio

25

Child Dependency Ratio

Marathon Sex Ratio

Female

3,925

44.92%

Male

4,812

55.08%

Marathon Households and Families

Marathon Renter vs Owner Occupied by Household Type

Marathon Household Types

Type Owner Renter
Married72.1%27.9%
All54.8%45.2%
Male51.5%48.5%
Non Family45.7%54.3%
Female23.7%76.3%

54.8%

Rate of Home Ownership

Type Count Average Size Owned
All3,6052.3454.8
Married1,5222.772.1
Non Family1,4981.3345.7
Female3893.7923.7
Male1964.4751.5

2.95

Average Family Size

2.34

Average Household Size

7.5%

Unmarried (Opposite Sex)

0.6%

Unmarried (Same Sex)

Marathon Education

Education Attained Count Percentage
Less Than 9th Grade3014.58%
9th to 12th Grade3755.71%
High School Graduate2,21133.65%
Some College1,52423.19%
Associates Degree4607.00%
Bachelors Degree1,17617.90%
Graduate Degree5247.97%

Marathon Educational Attainment by Race

Name Total High School Bachelors
White3,9853,8041,351
Hispanic2,1581,737325
Black37030222
Other Race73618
Asian615517
Multiple Races21215

The highest rate of high school graduation is among multiple races people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 33.90%.

Name Average Male Female
Overall$31,402$35,216$27,340
Less Than High School$24,583$30,500$21,902
High School Grad$27,418$36,540$17,288
Some College$35,392$27,328$36,875
Bachelors Degree$34,167$33,750$35,272
Graduate Degree$64,750$$62,443

$31,402

Average Earnings

$35,216

Average Male

$27,340

Average Female

Marathon Language

Marathon Language by Age

Marathon Language

66.84% of Marathon residents speak only English, while 33.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 29.70% of the population.

Marathon Poverty

Marathon Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic3,36866519.74%
White4,4233407.69%
Black58918831.92%
Other841214.29%
Asian77911.69%
Multiple28725.00%

14.29%

Overall Poverty Rate

12.80%

Male Poverty Rate

16.06%

Female Poverty Rate

Poverty in Marathon

The race most likely to be in poverty in Marathon is Black, with 31.92% below the poverty level.

The race least likely to be in poverty in Marathon is White, with 7.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.91%. Among those working part-time, it was 14.40%, and for those that did not work, the poverty rate was 29.22%.

Name Poverty
Less Than High School37.00%
High School13.86%
Some College9.37%
Bachelors or Greater7.31%
Name Poverty
Female Unemployed12.35%
Male Employed6.54%
Female Employed4.76%
Male Unemployed0.00%

Marathon Income

Marathon Income by Household Type

Name Median Mean
Households$53,866$84,395
Families$67,392$103,315
Married Families$87,733-
Non Families$38,750$56,129

Marathon Marital Status

Marathon Marital Status

Marriage Rates

43.2%

Overall Marriage Rate

41.0%

Male Marriage Rate

45.8%

Female Marriage Rate

Marathon Married by Age and Sex

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 55-64.

Marathon Marital Status by Race

Marathon Veterans

623

Number of Veterans

593

Male Veterans

30

Female Veterans

War Veterans
Vietnam282
World War II66
Korea57
Second Gulf War53
First Gulf War29

$Marathon Veterans by Education

10.88%

Veteran Poverty Rate

21.10%

Veteran Disability Rate

Marathon Employment Status

64.2%

Labor Force Participation

59.2%

Employment Rate

3.1%

Unemployment Rate

Marathon Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

27.21%

Born in Florida

73.24%

Native Born

26.76%

Foreign Born

16.29%

Non Citizen

Place of Birth

73.24% of Marathon residents were born in the United States, with 27.21% having been born in Florida. 16.29% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
20208,623-11-0.13%
20198,634-11-0.13%
20188,645-191-2.16%
20178,836-11-0.12%
20168,8471471.69%
20158,700600.69%
20148,640440.51%
20138,5961461.73%
20128,450580.69%
20118,392740.89%
20108,318-1,937-2.07%
200010,2550.00%