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Advertise here →Algonquin, IL · Houses & Market Data
Algonquin, Illinois houses and real estate market data.
Houses in Algonquin, IL (McHenry County) — Census median home value $324,000, county listing prices up about 2.0% over the past year. Market data for Algonquin houses and the broader area.
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Algonquin, IL is in McHenry County, Illinois — this guide covers houses in Algonquin and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 29,904, with a median household income of $131,753. Census data puts Algonquin houses at a median value of $324,000 (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
Algonquin housing market
Algonquin is in McHenry County, Illinois. Manifest Census and county price-trend data provide baseline context for houses in Algonquin and the surrounding county market.
Median home value (Census ACS)
$324,000
Population (Census ACS)
29,904
Median household income
$131,753
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
Algonquin market snapshot
Population
29,904
County
McHenry County
Median Household Income
$131,753
Median Home Value (city)
$324,000
Median Listing Price (McHenry County)
$419,000
Median Gross Rent
$1,800/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 Algonquin different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Algonquin's median home value — across all owner-occupied homes, not just recent sales — at $324,000. 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
Algonquin has an estimated population of 29,904 and a median household income of $131,753, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Algonquin's Census-reported median home value works out to about 2.5x 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 Algonquin
County guide: McHenry County — cities, market context, and local resources for the county that includes Algonquin.
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 Carpentersville, West Dundee, Gilberts, Sleepy Hollow, Huntley, Pingree Grove, Hampshire, South Elgin, Burlington, Campton Hills, Lily Lake, Virgil, Geneva, Elburn, North Aurora, Kaneville.
Carpentersville market data
Nearby city · ~2.9 mi
West Dundee market data
Nearby city · ~3.9 mi
Gilberts market data
Nearby city · ~4.3 mi
Sleepy Hollow market data
Nearby city · ~4.8 mi
Huntley market data
Nearby city · ~5.8 mi
Pingree Grove market data
Nearby city · ~7.6 mi
Hampshire market data
Nearby city · ~9.9 mi
South Elgin market data
Nearby city · ~11.7 mi
Burlington market data
Nearby city · ~14.7 mi
Campton Hills market data
Nearby city · ~15.3 mi
Lily Lake market data
Nearby city · ~15.9 mi
Virgil market data
Nearby city · ~17.6 mi
Geneva market data
Nearby city · ~19.2 mi
Elburn market data
Nearby city · ~20.2 mi
North Aurora market data
Nearby city · ~24.3 mi
Kaneville market data
Nearby city · ~24.8 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: Lake in the Hills (~1.4 mi), Trout Valley (~4.4 mi), Crystal Lake (~5.1 mi), Cary (~5.2 mi), Lakewood (~5.6 mi), Oakwood Hills (~7.4 mi), Ridgefield (~8.0 mi), Prairie Grove (~8.3 mi), Burtons Bridge (~9.4 mi), Holiday Hills (~10.6 mi), Harmony (~10.6 mi), Bull Valley (~11.5 mi), Woodstock (~11.9 mi), McHenry (~12.3 mi), Union (~12.5 mi), Franklinville (~12.7 mi).
New construction: New homes near Algonquin (Chicago) · Illinois new construction.
Census & home facts
Algonquin data from published sources
Population (ACS 2023)
29,904
Median home value (ACS 2023)
$324,000
Median household income (ACS 2023)
$131,753
Median gross rent (ACS 2023)
$1,800
County FHFA annual change (2025)
5.75%
County median listing price (FRED/Realtor.com) (2026-06-01)
$454,694
Census place type
village
County
Kane County
Land area (Census Gazetteer 2024)
12.52 sq mi
Census GEOID
1700685
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 Algonquin
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Huntington Villas ↗
Pulte · Algonquin, Illinois · ~0.7 mi
Algonquin Meadows ↗
Lennar · Algonquin, Illinois · ~1.4 mi · from $404,990
Hickory Glen ↗
Lennar · West Dundee, Illinois · ~3.8 mi · from $399,490
Cider Grove ↗
D.R. Horton · Huntley, Illinois · ~3.8 mi · from $439,990
Harvest View ↗
Lennar · West Dundee, Illinois · ~4.0 mi · from $364,999
Local life
Life in Algonquin
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
Algonquin FAQ
What are houses worth in Algonquin, IL?
The Census Bureau's American Community Survey puts the median value of houses in Algonquin at $324,000. McHenry County's current median listing price runs $419,000, up about 2.0% over the past year.
How much do houses cost in Algonquin, IL?
For owner-occupied houses in Algonquin, Census ACS data shows a median value of $324,000. Active listing prices in McHenry County may differ — see the market snapshot above.
What types of houses are in Algonquin, IL?
Algonquin 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 Algonquin, IL?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Algonquin's population at approximately 29,904.
What's the median rent in Algonquin, IL?
The Census ACS estimates median gross rent in Algonquin at approximately $1,800 per month.
What is the median household income in Algonquin, IL?
Census ACS data puts the median household income in Algonquin at approximately $131,753.
Is the Algonquin housing market growing?
McHenry County's FHFA house price index shows a 5.85% annual change in 2025.
Is Algonquin, IL affordable relative to income?
Census ACS data puts Algonquin's median home value at about 2.5 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 Algonquin, IL?
Manifest and public school-directory data suggest CUSD 300 for many Algonquin addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.
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