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Advertise here →Wonder Lake, IL · Houses & Market Data
Wonder Lake, Illinois houses and real estate market data.
Houses in Wonder Lake, IL (McHenry County) — Census median home value $242,300, county listing prices up about 2.0% over the past year. Market data for Wonder Lake houses and the broader area.
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Wonder Lake, IL is in McHenry County, Illinois — this guide covers houses in Wonder Lake and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 4,141, with a median household income of $102,829. Census data puts Wonder Lake houses at a median value of $242,300 (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
Wonder Lake housing market
Wonder Lake is in McHenry County, Illinois. Manifest Census and county price-trend data provide baseline context for houses in Wonder Lake and the surrounding county market.
Median home value (Census ACS)
$242,300
Population (Census ACS)
4,141
Median household income
$102,829
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
Wonder Lake market snapshot
Population
4,141
County
McHenry County
Median Household Income
$102,829
Median Home Value (city)
$242,300
Median Listing Price (McHenry County)
$419,000
Median Gross Rent
$1,577/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 Wonder Lake different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Wonder Lake's median home value — across all owner-occupied homes, not just recent sales — at $242,300. 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
Wonder Lake has an estimated population of 4,141 and a median household income of $102,829, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Wonder Lake's Census-reported median home value works out to about 2.4x 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.
Nearby
Places around Wonder Lake
County guide: McHenry County — cities, market context, and local resources for the county that includes Wonder 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 Greenwood, Ringwood, McCullom Lake, Bull Valley, McHenry, Johnsburg, Solon Mills, Richmond, Woodstock, Hebron, Pistakee Highlands, Spring Grove, Ridgefield, Hartland, Prairie Grove, Holiday Hills.
Greenwood market data
Nearby city · ~1.9 mi
Ringwood market data
Nearby city · ~2.5 mi
McCullom Lake market data
Nearby city · ~2.9 mi
Bull Valley market data
Nearby city · ~4.2 mi
McHenry market data
Nearby city · ~4.4 mi
Johnsburg market data
Nearby city · ~5.3 mi
Solon Mills market data
Nearby city · ~5.5 mi
Richmond market data
Nearby city · ~5.9 mi
Woodstock market data
Nearby city · ~6.7 mi
Hebron market data
Nearby city · ~7.1 mi
Pistakee Highlands market data
Nearby city · ~7.2 mi
Spring Grove market data
Nearby city · ~7.3 mi
Ridgefield market data
Nearby city · ~7.8 mi
Hartland market data
Nearby city · ~8.2 mi
Prairie Grove market data
Nearby city · ~8.6 mi
Holiday Hills market data
Nearby city · ~8.7 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: Lakemoor (~8.1 mi), Fox Lake (~9.0 mi), Volo (~10.4 mi), Island Lake (~10.5 mi), Long Lake (~11.4 mi), Fox Lake Hills (~11.6 mi), Channel Lake (~12.4 mi), Port Barrington (~12.5 mi), Round Lake Heights (~12.5 mi), Round Lake (~13.0 mi), Wauconda (~13.2 mi), Lake Catherine (~13.4 mi), Round Lake Beach (~13.7 mi), Lake Villa (~13.8 mi), Round Lake Park (~14.0 mi), Hainesville (~14.5 mi).
New construction: New homes near Wonder Lake (Chicago) · Illinois new construction.
Census & home facts
Wonder Lake data from published sources
Population (ACS 2023)
4,141
Median home value (ACS 2023)
$242,300
Median household income (ACS 2023)
$102,829
Median gross rent (ACS 2023)
$1,577
County FHFA annual change (2025)
5.85%
County median listing price (FRED/Realtor.com) (2026-06-01)
$419,000
Census place type
village
County
McHenry County
Land area (Census Gazetteer 2024)
4.96 sq mi
Census GEOID
1782855
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 Wonder Lake
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Stonewater Traditional Single Family ↗
D.R. Horton · Wonder Lake, Illinois · ~1.9 mi · from $351,990
Stonewater Single Family Ranch ↗
D.R. Horton · Wonder Lake, Illinois · ~2.0 mi · from $321,990
Stonewater Ranch Townhomes ↗
D.R. Horton · Wonder Lake, Illinois · ~2.0 mi · from $268,990
Stonewater Ranch Duplexes ↗
D.R. Horton · Wonder Lake, Illinois · ~2.2 mi
Stonewater Townhomes ↗
D.R. Horton · Wonder Lake, Illinois · ~2.2 mi
Local life
Life in Wonder 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
Wonder Lake FAQ
What are houses worth in Wonder Lake, IL?
The Census Bureau's American Community Survey puts the median value of houses in Wonder Lake at $242,300. McHenry County's current median listing price runs $419,000, up about 2.0% over the past year.
How much do houses cost in Wonder Lake, IL?
For owner-occupied houses in Wonder Lake, Census ACS data shows a median value of $242,300. Active listing prices in McHenry County may differ — see the market snapshot above.
What types of houses are in Wonder Lake, IL?
Wonder 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 Wonder Lake, IL?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Wonder Lake's population at approximately 4,141.
What's the median rent in Wonder Lake, IL?
The Census ACS estimates median gross rent in Wonder Lake at approximately $1,577 per month.
What is the median household income in Wonder Lake, IL?
Census ACS data puts the median household income in Wonder Lake at approximately $102,829.
Is the Wonder Lake housing market growing?
McHenry County's FHFA house price index shows a 5.85% annual change in 2025.
Is Wonder Lake, IL affordable relative to income?
Census ACS data puts Wonder Lake's median home value at about 2.4 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.
What school district serves Wonder Lake, IL?
Manifest and public school-directory data suggest CUSD 300 for many Wonder Lake addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.
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