- 2 bd
- 3 ba
- 2,858 sqft

The average Boone County, IL home value is $286,262, up 6.4% over the past year, and homes go to pending in around 9 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: $286,262
1-Year Value Change: +6.4%
(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 Boone County, IL is $286,262 as of September 2026. This represents a 0.4% increase compared to last month and a 6.4% increase year-over-year.
The median home value in Boone County, IL ($286,262) compares to Illinois ($295,943) and the U.S. national median ($366,157).
The cities with the highest median home values in Boone County, IL include: Timberlane ($448,759), Caledonia ($363,241), Garden Prairie ($332,732), Poplar Grove ($280,176), Capron ($270,949). These cities represent the most expensive areas within the county.