- 3 bd
- 1 ba
- 1,100 sqft

The average Knox County, IL home value is $122,681, up 13.6% over the past year, and homes go to pending in around 20 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: $122,681
1-Year Value Change: +13.6%
(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 Knox County, IL is $122,681 as of August 2026. This represents a 0.4% decrease compared to last month and a 13.6% increase year-over-year.
The median home value in Knox County, IL ($122,681) compares to Illinois ($297,573) and the U.S. national median ($368,697).
The cities with the highest median home values in Knox County, IL include: Dahinda ($357,803), Knoxville ($168,120), Williamsfield ($151,873), Maquon ($144,657), Oneida ($140,636). These cities represent the most expensive areas within the county.