Marathon Flag

Marathon

County Seat:
No
Area (mi²):
0.749
State:
Iowa

Marathon is a city located in Buena Vista County, Iowa. Marathon has a 2026 population of 216. Marathon is currently declining at a rate of -0.92% annually and its population has decreased by -6.49% since the most recent census, which recorded a population of 231 in 2020.

The median household income in Marathon is $39,375 with a poverty rate of 25.21%. The median age in Marathon is 53.5 years: 58.3 years for males, and 48.6 years for females. For every 100 females there are 69.6 males.

216
Total Population
288
Density (mi²)
-2 -0.92%
Growth

Marathon Population

Marathon Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026216-2-0.92%
2025218-3-1.36%
202422110.45%
2023220-1-0.45%
2022221-8-3.49%
2021229-2-0.87%
202023100%
2019228-2-0.87%
2018230-3-1.29%
2017233-3-1.27%
201623610.43%
2015235-3-1.26%
2014238-4-1.65%
201324200%
201224231.26%
201123920.84%
201024010.42%

Median Age

Overall: 53.5 years
Female: 48.6 years
Male: 58.3 years

Marathon Adults

There are 192 adults, (63 of whom are seniors) in Marathon.

Sex Ratio

Female: 138 (59%)
Male: 96 (41%)

Demographics

The racial composition of Marathon includes 78.63% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18478.63%
Two or more races4720.09%
Other race31.28%
Race
Population ↓
Percentage (of total)
Two or more races62.56%
Other race31.28%
White10.43%
Race
Population ↓
Percentage (of total)
White18378.21%
Two or more races4117.52%

Marathon Marital Status

Economics and Income Statistics

Marathon 's average per capita income is $31,250. Household income levels show a median of $39,375. The poverty rate stands at 25.21%.

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$70,000-
Families$50,500$64,783
Households$39,375$50,358
Non Families$27,917$36,913

$31,250

Average Income

$39,375

Median Household Income

25.21%

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)