Marathon Population

2010–2026

866

2026 projection

5.1% since 2020 (decrease)

02004006008001K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Marathon. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026866-80.92%
2025874-80.91%
2024882-30.34%
2023885-91.01%
2022894-121.32%
2021906-70.77%
2020913+546.29%
2019859-91.04%
2018868-20.23%
2017870-40.46%

Showing 10 of 17 years.

Marathon Demographics

30.8median age

Median age

Female30.3 yrs
Male30.9 yrs

Adults

690
128 seniors · 19%562 other adults

Sex

Female 52.1% · 496Male 47.9% · 456

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 10 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Marathon Income

$52,198median household income

Median household income

$52,198

Half of households earn more, half earn less

Median earnings

$43,750

Typical yearly pay for a worker 25 or older.

Poverty rate

13.2%

About 1 in 8 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Marathon Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%61%43%
Never married38%31%44%
Divorced5%4%7%
Widowed5%4%6%
Separated<1%0%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201