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The median home value in Round Lake, IL is $332,425 as of 2026-07-31, up 4.27% from a year earlier.
Median Home Value
$332,425
Year-over-Year
+4.27%
Population
18,344
Round Lake ranks #127 of 279 Illinois cities tracked here by median home value, and sits 4.2% above the state's city median of $319,026. It sits in Lake County, where the county-wide median is $401,229.
Median household income in Round Lake is $111,977, so the typical home value is about 3.0× annual household income. This is a simple price-to-income benchmark rather than a monthly payment estimate; it does not account for mortgage rates, down payments, taxes or insurance.
Household income comes from the U.S. Census Bureau's ACS 5-Year Estimates, table B19013 (how the affordability measure works).
Round Lake police recorded a violent crime rate of 82 per 100,000 residents in 2024 — lower than most cities that report to the FBI. Property crime runs at 600 per 100,000.
Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).
People often call this an average home price, but the figure shown here is Zillow's typical home value (ZHVI), not a simple arithmetic average. In Round Lake, that value is $332,425. That's up 4.27% from a year earlier. It is about 4.2% above the typical Illinois city tracked here.
Homes in Round Lake are cheaper than Lake County as a whole, where the median is $401,229 — a difference of about 17.1%.
Median household income here is $111,977, so the typical home value is about 3.0× annual household income. This ratio is a broad comparison measure, not a mortgage-payment estimate.
Round Lake police reported 82 violent crimes per 100,000 residents, covering a population of about 18,344. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.
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