- 3 bd
- 3 ba
- 1,235 sqft

The average Lake County, IL home value is $398,052, up 6.0% over the past year, and homes go to pending in around 13 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: $398,052
1-Year Value Change: +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 Lake County, IL is $398,052 as of September 2026. This represents a 0.5% increase compared to last month and a 6.0% increase year-over-year.
The median home value in Lake County, IL ($398,052) compares to Illinois ($295,943) and the U.S. national median ($366,157).
The cities with the highest median home values in Lake County, IL include: Bannockburn ($1,369,909), Lake Forest ($1,264,926), Riverwoods ($1,018,151), Mettawa ($1,011,753), Long Grove ($957,890). These cities represent the most expensive areas within the county.