- 3 bd
- 3 ba
- 1,428 sqft

The average Washington County, IA home value is $236,044, up 5.4% over the past year, and homes go to pending in around 24 days. (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: $236,044
1-Year Value Change: +5.4%
(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 Washington County, IA is $236,044 as of September 2026. This represents a 0.2% increase compared to last month and a 5.4% increase year-over-year.
The median home value in Washington County, IA ($236,044) compares to Iowa ($236,623) and the U.S. national median ($366,157).
The cities with the highest median home values in Washington County, IA include: Riverside ($353,104), Kalona ($324,457), Ainsworth ($254,023), Wellman ($249,648), Crawfordsville ($231,846). These cities represent the most expensive areas within the county.