- 3 bd
- 3 ba
- 2,910 sqft

The average Adams County, IL home value is $186,171, up 6.6% over the past year, and homes go to pending in around 11 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: $186,171
1-Year Value Change: +6.6%
(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 Adams County, IL is $186,171 as of September 2026. This represents a 0.5% increase compared to last month and a 6.6% increase year-over-year.
The median home value in Adams County, IL ($186,171) compares to Illinois ($295,943) and the U.S. national median ($366,157).
The cities with the highest median home values in Adams County, IL include: Liberty ($251,439), Fowler ($246,104), Mendon ($210,718), Ursa ($205,517), Quincy ($182,657). These cities represent the most expensive areas within the county.