Home › Counties › Lake County, IL
The median home value in Lake County, IL is $399,526 as of 2026-08-31, up 6.04% from a year earlier.
Median Home Value
$399,526
Year-over-Year
+6.04%
National Rank
#437 of 3071
Lake County ranks 2nd out of 102 counties in IL by median home price, and is +70.0% above the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Lake County +151.9% above the IL state median.
The typical home value increased by 0.7%, from $396,803 in May 2026 to $399,526 in Aug 2026.
Monthly Zillow Home Value Index snapshots retained by HomePriceMap. A short history is shown now and grows automatically as each new monthly release arrives.
| Month | Typical home value | Year-over-year change |
|---|---|---|
| May 2026 | $396,803 | +6.0% |
| Jun 2026 | $400,964 | +6.0% |
| Jul 2026 | $401,229 | +6.0% |
| Aug 2026 | $399,526 | +6.0% |
Households here earn a median of $110,416 a year against a typical home value of $399,526 — a price-to-income ratio of 3.6×, above the 3× level usually considered comfortable, but below 5×. That is less affordable than roughly 49% of U.S. counties. (How this is calculated.)
Reporting agencies in Lake County recorded a violent crime rate of 150 per 100,000 residents in 2024 — lower than most counties nationally. Property crime runs at 988 per 100,000.
Based on 28 reporting cities covering 542,224 residents (FBI UCR data — what this covers).
The median home value in Lake County is $399,526. That's up 6.04% from a year earlier. That is about 70.0% above the U.S. national county median of $235,072, and makes Lake County the 2nd most expensive of 102 counties in Illinois.
Median household income here is $110,416, so a typical home costs about 3.6× annual household earnings — moderately expensive compared with other U.S. counties.
Reporting police departments in Lake County recorded 150 violent crimes per 100,000 residents. That figure covers 542,224 residents across 28 reporting cities, so it reflects the county's incorporated areas rather than every community within its borders.
Lake Forest · Highland Park · Hawthorn Woods · Lincolnshire · Lake Bluff · Deerfield · Libertyville · Lake Zurich · Vernon Hills · Buffalo Grove · Mundelein · Lake Villa
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