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Advertise here →Grayslake, IL · Houses & Market Data
Grayslake, Illinois houses and real estate market data.
Houses in Grayslake, IL (Lake County) — Census median home value $293,900, county listing prices up about 2.6% over the past year. Market data for Grayslake houses and the broader area.
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Grayslake, IL is in Lake County, Illinois — this guide covers houses in Grayslake and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 20,707, with a median household income of $113,697. Census data puts Grayslake houses at a median value of $293,900 (all owner-occupied homes); Lake County's current median listing price runs $487,500, up about 2.6% over the past year.
Info from government sites and builders may have provided source info.
Market overview
Grayslake housing market
Grayslake is in Lake County, Illinois. Manifest Census and county price-trend data provide baseline context for houses in Grayslake and the surrounding county market.
Median home value (Census ACS)
$293,900
Population (Census ACS)
20,707
Median household income
$113,697
County price trend (2025)
6.73% YoY
Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County price trend from FHFA county HPI when present in the manifest row.
At a glance
Grayslake market snapshot
Population
20,707
County
Lake County
Median Household Income
$113,697
Median Home Value (city)
$293,900
Median Listing Price (Lake County)
$487,500
Median Gross Rent
$1,434/mo
Price Trend (YoY)
+2.6%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes Grayslake different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Grayslake's median home value — across all owner-occupied homes, not just recent sales — at $293,900. 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
Grayslake has an estimated population of 20,707 and a median household income of $113,697, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Grayslake's Census-reported median home value works out to about 2.6x the area's median household income, and median gross rent runs roughly 15% 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.
Nearby
Places around Grayslake
County guide: Lake County — cities, market context, and local resources for the county that includes Grayslake.
USAHouses.com also helps visitors looking in nearby Lake County and other Illinois communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.
Nearby communities include Hainesville, Third Lake, Round Lake Park, Gages Lake, Round Lake, Round Lake Beach, Grandwood Park, Venetian Village, Mundelein, Round Lake Heights, Libertyville, Long Lake, Lindenhurst, Gurnee, Lake Villa, Volo.
Hainesville market data
Nearby city · ~2.1 mi
Third Lake market data
Nearby city · ~2.4 mi
Round Lake Park market data
Nearby city · ~2.4 mi
Gages Lake market data
Nearby city · ~2.7 mi
Round Lake market data
Nearby city · ~3.5 mi
Round Lake Beach market data
Nearby city · ~3.8 mi
Grandwood Park market data
Nearby city · ~4.2 mi
Venetian Village market data
Nearby city · ~4.5 mi
Mundelein market data
Nearby city · ~4.8 mi
Round Lake Heights market data
Nearby city · ~4.8 mi
Libertyville market data
Nearby city · ~5.2 mi
Long Lake market data
Nearby city · ~5.2 mi
Lindenhurst market data
Nearby city · ~5.3 mi
Gurnee market data
Nearby city · ~5.3 mi
Lake Villa market data
Nearby city · ~5.9 mi
Volo market data
Nearby city · ~6.4 mi
More Illinois cities with market guides: Aurora, Joliet, Naperville, Rockford, Elgin, Springfield, Peoria, Champaign.
Aurora market data
Same-state city guide
Joliet market data
Same-state city guide
Naperville market data
Same-state city guide
Rockford market data
Same-state city guide
Elgin market data
Same-state city guide
Springfield market data
Same-state city guide
Peoria market data
Same-state city guide
Champaign market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Pistakee Highlands (~10.0 mi), Holiday Hills (~10.4 mi), Burtons Bridge (~11.0 mi), Johnsburg (~11.3 mi), Oakwood Hills (~12.3 mi), Deer Park (~12.4 mi), Buffalo Grove (~12.6 mi), Prairie Grove (~12.9 mi), Spring Grove (~13.0 mi), McHenry (~13.2 mi), McCullom Lake (~13.6 mi), Barrington (~14.0 mi), Cary (~14.2 mi), Solon Mills (~14.2 mi), Ringwood (~14.3 mi), Trout Valley (~15.0 mi).
New construction: New homes near Grayslake (Chicago) · Illinois new construction.
Census & home facts
Grayslake data from published sources
Population (ACS 2023)
20,707
Median home value (ACS 2023)
$293,900
Median household income (ACS 2023)
$113,697
Median gross rent (ACS 2023)
$1,434
County FHFA annual change (2025)
6.73%
County median listing price (FRED/Realtor.com) (2026-06-01)
$487,500
Census place type
village
County
Lake County
Land area (Census Gazetteer 2024)
10.93 sq mi
Census GEOID
1731121
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Grayslake
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Hometown America Management Llc ↗
Champion Homes · Grayslake, Illinois · ~0.0 mi
Greenway Chase ↗
Pulte · Libertyville, Illinois · ~3.8 mi
River Glen ↗
Lennar · Libertyville, Illinois · ~5.2 mi · from $549,990
Oaks of Volo ↗
Lennar · Volo, Illinois · ~6.9 mi · from $356,990
Briargate ↗
Del Webb · Lindenhurst, Illinois · ~6.9 mi · from $348,990
Local life
Life in Grayslake
Schools
Waukegan CUSD 60 — 22 schools, 13,679 students enrolled, per the U.S. Department of Education's Common Core of Data. Lake addresses may be served by Waukegan CUSD 60, but attendance zones vary by street — confirm assigned schools with the district before making a move.
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Common questions
Grayslake FAQ
What are houses worth in Grayslake, IL?
The Census Bureau's American Community Survey puts the median value of houses in Grayslake at $293,900. Lake County's current median listing price runs $487,500, up about 2.6% over the past year.
How much do houses cost in Grayslake, IL?
For owner-occupied houses in Grayslake, Census ACS data shows a median value of $293,900. Active listing prices in Lake County may differ — see the market snapshot above.
What types of houses are in Grayslake, IL?
Grayslake houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Lake County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.
What is the population of Grayslake, IL?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Grayslake's population at approximately 20,707.
What's the median rent in Grayslake, IL?
The Census ACS estimates median gross rent in Grayslake at approximately $1,434 per month.
What is the median household income in Grayslake, IL?
Census ACS data puts the median household income in Grayslake at approximately $113,697.
Is the Grayslake housing market growing?
Lake County's FHFA house price index shows a 6.73% annual change in 2025.
Is Grayslake, IL affordable relative to income?
Census ACS data puts Grayslake's median home value at about 2.6 times the median household income, with median gross rent equal to roughly 15% 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.
What school district serves Grayslake, IL?
Manifest and public school-directory data suggest Waukegan CUSD 60 for many Grayslake addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.
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