- 1 bd
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- 747 sqft

The average Stephenson County, IL home value is $162,553, up 9.0% over the past year, and homes go to pending in around 15 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: $162,553
1-Year Value Change: +9%
(Data through August 31, 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 Stephenson County, IL is $162,553 as of August 2026. This represents a 0.4% increase compared to last month and a 9.0% increase year-over-year.
The median home value in Stephenson County, IL ($162,553) compares to Illinois ($297,573) and the U.S. national median ($368,697).
The cities with the highest median home values in Stephenson County, IL include: Davis ($272,966), German Valley ($228,622), Rock City ($228,288), Pearl City ($220,182), Lena ($213,291). These cities represent the most expensive areas within the county.