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The average Carroll County, IL home value is $161,686, up 9.7% 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: $161,686
1-Year Value Change: +9.7%
(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 Carroll County, IL is $161,686 as of September 2026. This represents a 0.5% increase compared to last month and a 9.7% increase year-over-year.
The median home value in Carroll County, IL ($161,686) compares to Illinois ($295,943) and the U.S. national median ($366,157).
The cities with the highest median home values in Carroll County, IL include: Lanark ($330,664), Shannon ($176,569), Thomson ($156,825), Milledgeville ($154,066), Chadwick ($152,799). These cities represent the most expensive areas within the county.