- 3 bd
- 2 ba
- 2,400 sqft

The average Lake County, IL home value is $399,526, up 6.0% 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: $399,526
1-Year Value Change: +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 Lake County, IL is $399,526 as of August 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 ($399,526) compares to Illinois ($297,573) and the U.S. national median ($368,697).
The cities with the highest median home values in Lake County, IL include: Bannockburn ($1,260,869), Lake Forest ($1,248,040), Riverwoods ($1,008,557), Mettawa ($978,290), Long Grove ($969,305). These cities represent the most expensive areas within the county.