- 3 bd
- 2 ba
- 1,140 sqft

The average Allamakee County, IA home value is $262,926, up 7.6% 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: $262,926
1-Year Value Change: +7.6%
(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 Allamakee County, IA is $262,926 as of September 2026. This represents a 0.4% increase compared to last month and a 7.6% increase year-over-year.
The median home value in Allamakee County, IA ($262,926) compares to Iowa ($236,623) and the U.S. national median ($366,157).
The cities with the highest median home values in Allamakee County, IA include: Dorchester ($394,179), Waterville ($318,279), Harpers Ferry ($301,423), Lansing ($282,670), New Albin ($249,790). These cities represent the most expensive areas within the county.