ZIP Code 50565
About Marathon
Marathon is a city in Buena Vista County, Iowa, United States. The population was 230 at the time of the 2020 census. The food writer Richard Olney grew up in Marathon.
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Area Profile
US Census (ACS 5-year · Gazetteer)
413
population
$61,705
median household income
9
people / sq mi
$71,900
median home value
$792
median gross rent
49.4
median age
236
housing units
183
households
43.5
land area (sq mi)