- 3 bd
- 2 ba
- 1,710 sqft

The average Johnson County, IL home value is $184,345, down 3.5% 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: $184,345
1-Year Value Change: -3.5%
(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 Johnson County, IL is $184,345 as of September 2026. This represents a 1.0% decrease compared to last month and a 3.5% decrease year-over-year.
The median home value in Johnson County, IL ($184,345) compares to Illinois ($295,943) and the U.S. national median ($366,157).
The cities with the highest median home values in Johnson County, IL include: Ozark ($199,520), Goreville ($199,470), Buncombe ($177,078), Vienna ($173,108), Grantsburg ($161,554). These cities represent the most expensive areas within the county.