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Advertise here →Long Grove, IL · Market Data
Long Grove, Illinois real estate market data.
Real estate market data for Long Grove, IL (Lake County) — Census median home value $746,700, county listing prices up about 2.6% over the past year.
Long Grove, IL is in Lake County, Illinois — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 8,266, with a median household income of $235,368. Census data puts Long Grove's median home value at $746,700 (all owner-occupied homes); Lake County's current median listing price runs $487,500, up about 2.6% over the past year.
At a glance
Long Grove market snapshot
Population
8,266
Median Household Income
$235,368
Median Home Value (city)
$746,700
Median Listing Price (Lake County)
$487,500
Median Gross Rent
$3,501/mo
Price Trend (YoY)
+2.6%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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What makes Long Grove different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Long Grove's median home value — across all owner-occupied homes, not just recent sales — at $746,700. Separately, Lake County's current median listing price (via Realtor.com data, 2026-06-01) runs $487,500. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
Lake County's FHFA house price index shows a 6.73% annual change in 2025.
Population & Income
Long Grove has an estimated population of 8,266 and a median household income of $235,368, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Long Grove's Census-reported median home value works out to about 3.2x the area's median household income, and median gross rent runs roughly 18% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
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Common questions
Long Grove FAQ
What are home values like in Long Grove, IL?
The Census Bureau's American Community Survey puts Long Grove's median home value at $746,700. Lake County's current median listing price runs $487,500, up about 2.6% over the past year.
What is the population of Long Grove, IL?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Long Grove's population at approximately 8,266.
What's the median rent in Long Grove, IL?
The Census ACS estimates median gross rent in Long Grove at approximately $3,501 per month.
What is the median household income in Long Grove, IL?
Census ACS data puts the median household income in Long Grove at approximately $235,368.
Is the Long Grove housing market growing?
Lake County's FHFA house price index shows a 6.73% annual change in 2025.
Is Long Grove, IL affordable relative to income?
Census ACS data puts Long Grove's median home value at about 3.2 times the median household income, with median gross rent equal to roughly 18% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
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