- 3 bd
- 2 ba
- 2,300 sqft

The average Marathon, IA home value is $105,494, up 4.5% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $105,494
1-Year Value Change: +4.5%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Marathon, IA is $105,494 as of September 2026. This represents a 0.7% increase compared to last month and a 4.5% increase year-over-year.
Home values in Marathon, IA have increased by 0.7% month-over-month and 4.5% year-over-year.
The median home value in Marathon, IA ($105,494) compares to: Buena Vista County ($186,332), Iowa ($236,623), and the U.S. national median ($366,157).