Marathon Flag

Marathon

County:
Monroe County
County Seat:
No
Area (mi²):
8.446
State:
Florida

Marathon is a city located in Monroe County, Florida. Marathon has a 2025 population of 10,084 . Marathon is currently growing at a rate of 0.45% annually and its population has increased by 2.3% since the most recent census, which recorded a population of 9,857 in 2020.

The average household income in Marathon is $114,693 with a poverty rate of 11.44%. The median age in Marathon is 45.6 years: 47.3 years for males, and 42.9 years for females. For every 100 females there are 106.9 males.

10.1K
Total Population
1,194
Density (mi²)
45 0.45%
Growth

Marathon Population

Marathon Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marathon includes 71.19% White, 4.08% Black or African American, 3.97% other race, and smaller percentages for Asian and multiracial populations.

Population by Race

White (71.19%)

Two or more races (20.21%)

Black or African American (4.08%)

Other race (3.97%)

Asian (0.55%)

Race
Population
Percentage (of total)
White6,99971.19%
Two or more races1,98720.21%
Black or African American4014.08%
Other race3903.97%
Asian540.55%

Marathon Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marathon's average per capita income is $42,466. Household income levels show a median of $80,556. The poverty rate stands at 11.44%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$103,214-
Families$100,161$136,205
Households$80,556$114,693
Non Families$54,097$77,897

$42,466

Average Income

$80,556

Median Household Income

11.44%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)