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Advertise here →McHenry County · Illinois
McHenry County, Illinois real estate & cities.
Countywide real estate hub for McHenry County, IL — 17 live city guides, public market snapshots, and connections to local professionals.
McHenry County, Illinois is a county-level market on USAHouses.com — a countywide hub linking verified city guides, public market data, and ways to connect with licensed professionals. We currently publish 17 city-level guides inside McHenry County, covering resale homes, condos, land, and new construction across the county.
County pages complement city guides: they group places by official Census county or county-equivalent boundaries, surface nearby counties and major Illinois cities, and link to NewUSAHouses.com builder hubs when available.
McHenry County corresponds to Census FIPS code 17111. FIPS is the geographic code for USA Counties.
County snapshot
McHenry County at a glance
City guides on USAHouses
17 live
Combined population (catalogued places)
258,711
Median household income (midpoint of places)
$102,829
Median home value range (Census ACS)
$174,000 – $518,500
County median listing price
$419,000 (2026-06-01)
County price trend (FHFA HPI)
+5.8% (2025)
Market data compiled from public sources on linked city guides and county-level datasets; deemed reliable but not guaranteed. Full source list ↗
Places in McHenry County
Cities & towns in McHenry County
McHenry County includes 17 places USAHouses.com tracks in its city manifest; 17 already have live market guides linked below.
Crystal Lake
Pop. 40,436 · Market guide
Algonquin
Pop. 29,904 · Market guide
Lake in the Hills
Pop. 28,853 · Market guide
Huntley
Pop. 27,859 · Market guide
McHenry
Pop. 27,774 · Market guide
Woodstock
Pop. 26,316 · Market guide
Cary
Pop. 17,875 · Market guide
Harvard
Pop. 9,875 · Market guide
Island Lake
Pop. 8,023 · Market guide
Marengo
Pop. 7,123 · Market guide
Johnsburg
Pop. 6,374 · Market guide
Lakemoor
Pop. 5,878 · Market guide
Spring Grove
Pop. 5,866 · Market guide
Lakewood
Pop. 4,699 · Market guide
Fox River Grove
Pop. 4,501 · Market guide
Wonder Lake
Pop. 4,141 · Market guide
Pistakee Highlands
Pop. 3,214 · Market guide
Nearby
Nearby counties & major cities in Illinois
Other counties in Illinois with USAHouses city or county coverage:
Cook County
95 catalogued places
Lake County
31 catalogued places
DuPage County
29 catalogued places
Will County
20 catalogued places
St. Clair County
16 catalogued places
Kane County
14 catalogued places
Madison County
11 catalogued places
Champaign County
7 catalogued places
Larger Illinois cities with live USAHouses market guides — populous places first, including major metro hubs when available:
Chicago
Major metro
Aurora
Pop. 179,867 · Major metro city
Joliet
Pop. 149,785 · Major metro city
Naperville
Pop. 149,424 · Major metro city
Rockford
Pop. 147,649 · Major metro city
Elgin
Pop. 114,106 · Major city
Springfield
Pop. 113,714 · Major city
Peoria
Pop. 112,126 · Major city
Major metro hubs serving buyers comparing McHenry County with larger nearby markets:
New construction
New homes in & near McHenry County
Verified new-construction communities on NewUSAHouses.com in Illinois — linked when a matching metro or state hub exists.
Local resources
Get help buying or selling in McHenry County
What can I afford?
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Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →
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Official resources
McHenry County government & services
McHenry County government
Official county or county-equivalent government website (source: public records / Wikidata). Official site ↗
Schools
Cusd 300 — 29 schools, 20,443 students (largest district in county by enrollment; attendance zones vary by address).
County median listing price
$419,000 as of 2026-06-01 (FRED / Realtor.com county median listing price).
County house price trend
FHFA all-transactions HPI annual change +5.8% (2025).
Common questions
McHenry County FAQ
What cities and towns are in McHenry County, IL?
USAHouses.com currently catalogues 17 places in McHenry County, with live market guides for 17 of them. Census recognizes additional small places and CDPs in most counties that may not yet have dedicated pages.
Where should I start looking for homes in McHenry County?
Start with the live city guides for Crystal Lake, Algonquin, Lake in the Hills, Huntley, McHenry, and 12 more — each links Census market data, nearby places, and ways to connect with local professionals.
Does USAHouses.com cover new construction in McHenry County?
City and county guides link to NewUSAHouses.com where verified new-home communities exist in Illinois. Use the new-construction section on this page for same-state builder hubs; availability varies by market.
How is the McHenry County housing market trending?
County-level FHFA house price index data shows a +5.8% annual change in 2025 — a countywide benchmark, not a guarantee for any single city or street.
How do I connect with an agent in McHenry County?
Use the lead form at the bottom of this page to describe your buy or sell goals in McHenry County. USA HOUSES LLC is a platform/media company, not a brokerage; licensed professionals are disclosed separately.
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