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The median home value in Lemont, IL is $594,516 as of 2026-07-31, up 7.44% from a year earlier.
Median Home Value
$594,516
Year-over-Year
+7.44%
Population
17,507
Lemont ranks #27 of 279 Illinois cities tracked here by median home value, and sits 86.4% above the state's city median of $319,026. It sits in Cook County, where the county-wide median is $344,339.
Median household income in Lemont is $123,370, so the typical home value is about 4.8× 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).
Lemont police recorded a violent crime rate of 34 per 100,000 residents in 2024 — lower than most cities that report to the FBI. Property crime runs at 543 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 Lemont, that value is $594,516. That's up 7.44% from a year earlier. It is about 86.4% above the typical Illinois city tracked here.
Homes in Lemont are more expensive than Cook County as a whole, where the median is $344,339 — a difference of about 72.7%.
Median household income here is $123,370, so the typical home value is about 4.8× annual household income. This ratio is a broad comparison measure, not a mortgage-payment estimate.
Lemont police reported 34 violent crimes per 100,000 residents, covering a population of about 17,507. 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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