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 221. Marathon is currently growing at a rate of 0.45% annually but its population has decreased by -4.33% since the most recent census, which recorded a population of 231 in 2020.

221
Total Population
295
Density (mi²)
1 0.45%
Growth

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)