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Advertise here →Crystal Lake, IL · Houses & Market Data
Crystal Lake, Illinois houses and real estate market data.
Houses in Crystal Lake, IL (McHenry County) — Census median home value $287,400, county listing prices up about 2.0% over the past year. Market data for Crystal Lake houses and the broader area.
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Crystal Lake, IL is in McHenry County, Illinois — this guide covers houses in Crystal Lake and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 40,436, with a median household income of $105,428. Census data puts Crystal Lake houses at a median value of $287,400 (all owner-occupied homes); McHenry County's current median listing price runs $419,000, up about 2.0% over the past year.
Info from government sites and builders may have provided source info.
Market overview
Crystal Lake housing market
Crystal Lake is in McHenry County, Illinois. Manifest Census and county price-trend data provide baseline context for houses in Crystal Lake and the surrounding county market.
Median home value (Census ACS)
$287,400
Population (Census ACS)
40,436
Median household income
$105,428
County price trend (2025)
5.85% 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
Crystal Lake market snapshot
Population
40,436
County
McHenry County
Median Household Income
$105,428
Median Home Value (city)
$287,400
Median Listing Price (McHenry County)
$419,000
Median Gross Rent
$1,431/mo
Price Trend (YoY)
+2.0%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes Crystal Lake different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Crystal Lake's median home value — across all owner-occupied homes, not just recent sales — at $287,400. Separately, McHenry County's current median listing price (via Realtor.com data, 2026-06-01) runs $419,000. 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
McHenry County's FHFA house price index shows a 5.85% annual change in 2025.
Population & Income
Crystal Lake has an estimated population of 40,436 and a median household income of $105,428, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Crystal Lake's Census-reported median home value works out to about 2.7x the area's median household income, and median gross rent runs roughly 16% 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 Crystal Lake
County guide: McHenry County — cities, market context, and local resources for the county that includes Crystal Lake.
USAHouses.com also helps visitors looking in nearby McHenry 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 Lakewood, Ridgefield, Lake in the Hills, Prairie Grove, Cary, Oakwood Hills, Trout Valley, Burtons Bridge, Bull Valley, Holiday Hills, Woodstock, McHenry, McCullom Lake, Franklinville, Wonder Lake, Union.
Lakewood market data
Nearby city · ~2.7 mi
Ridgefield market data
Nearby city · ~3.0 mi
Lake in the Hills market data
Nearby city · ~3.8 mi
Prairie Grove market data
Nearby city · ~4.3 mi
Cary market data
Nearby city · ~4.6 mi
Oakwood Hills market data
Nearby city · ~4.9 mi
Trout Valley market data
Nearby city · ~5.0 mi
Burtons Bridge market data
Nearby city · ~6.2 mi
Bull Valley market data
Nearby city · ~6.4 mi
Holiday Hills market data
Nearby city · ~6.9 mi
Woodstock market data
Nearby city · ~7.4 mi
McHenry market data
Nearby city · ~7.4 mi
McCullom Lake market data
Nearby city · ~9.5 mi
Franklinville market data
Nearby city · ~9.7 mi
Wonder Lake market data
Nearby city · ~10.4 mi
Union market data
Nearby city · ~10.8 mi
More Illinois cities with market guides: Aurora, Joliet, Naperville, Rockford, Elgin, Springfield, Peoria, Waukegan.
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
Waukegan market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Algonquin (~5.1 mi), Fox River Grove (~6.6 mi), Port Barrington (~7.2 mi), Huntley (~7.2 mi), Island Lake (~7.5 mi), Carpentersville (~7.9 mi), Lake Barrington (~8.6 mi), Gilberts (~8.7 mi), West Dundee (~8.9 mi), Tower Lakes (~9.2 mi), Lakemoor (~9.9 mi), Sleepy Hollow (~9.9 mi), Wauconda (~10.6 mi), North Barrington (~10.7 mi), Volo (~11.2 mi), Pingree Grove (~11.3 mi).
New construction: New homes near Crystal Lake (Chicago) · Illinois new construction.
Census & home facts
Crystal Lake data from published sources
Population (ACS 2023)
40,436
Median home value (ACS 2023)
$287,400
Median household income (ACS 2023)
$105,428
Median gross rent (ACS 2023)
$1,431
County FHFA annual change (2025)
5.85%
County median listing price (FRED/Realtor.com) (2026-06-01)
$419,000
Census place type
city
County
McHenry County
Land area (Census Gazetteer 2024)
18.98 sq mi
Census GEOID
1717887
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 Crystal Lake
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Birchwood ↗
Pulte · Crystal Lake, Illinois · ~1.0 mi
Waterside at Three Oaks ↗
Lennar · Crystal Lake, Illinois · ~1.1 mi · from $416,990
Walnut Hollow ↗
Lennar · Prairie Grove, Illinois · ~4.4 mi
Huntington Villas ↗
Pulte · Algonquin, Illinois · ~4.5 mi
Riverwoods ↗
Lennar · Woodstock, Illinois · ~4.8 mi · from $321,990
Local life
Life in Crystal Lake
Schools
CUSD 300 — 29 schools, 20,443 students enrolled, per the U.S. Department of Education's Common Core of Data. McHenry addresses may be served by CUSD 300, but attendance zones vary by street — confirm assigned schools with the district before making a move.
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Common questions
Crystal Lake FAQ
What are houses worth in Crystal Lake, IL?
The Census Bureau's American Community Survey puts the median value of houses in Crystal Lake at $287,400. McHenry County's current median listing price runs $419,000, up about 2.0% over the past year.
How much do houses cost in Crystal Lake, IL?
For owner-occupied houses in Crystal Lake, Census ACS data shows a median value of $287,400. Active listing prices in McHenry County may differ — see the market snapshot above.
What types of houses are in Crystal Lake, IL?
Crystal Lake houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding McHenry 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 Crystal Lake, IL?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Crystal Lake's population at approximately 40,436.
What's the median rent in Crystal Lake, IL?
The Census ACS estimates median gross rent in Crystal Lake at approximately $1,431 per month.
What is the median household income in Crystal Lake, IL?
Census ACS data puts the median household income in Crystal Lake at approximately $105,428.
Is the Crystal Lake housing market growing?
McHenry County's FHFA house price index shows a 5.85% annual change in 2025.
Is Crystal Lake, IL affordable relative to income?
Census ACS data puts Crystal Lake's median home value at about 2.7 times the median household income, with median gross rent equal to roughly 16% 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 Crystal Lake, IL?
Manifest and public school-directory data suggest CUSD 300 for many Crystal Lake addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.
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