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McHenry County, Illinois: Chicago's Quiet Prosperity Belt

There's a particular type of American suburb that doesn't make headlines — no tech boom, no celebrity migration story, no dramatic price collapse — and yet quietly delivers one of the most stable, family-oriented housing markets in its region. McHenry County is exactly that place. Anchored by communities like Crystal Lake, Woodstock, and Algonquin, this exurban stretch northwest of Chicago has spent decades attracting exactly the households it was built for: dual-income families willing to trade a longer commute for a mortgage payment, a yard, and a school district that reliably delivers.

The numbers reflect that identity with unusual clarity. An 82.6% homeownership rate is extraordinary by any measure — nearly 30 percentage points above the national average for comparable counties, and a full 15 points above Illinois as a whole. Combined with a vacancy rate of just 3.5%, this is a county where people buy homes and stay in them.

The Affordability Picture Is More Complicated Than It Looks

At first glance, a $340,000 median home price against a $102,836 median household income — well above the national median of $75,149 — sounds like a recipe for comfort. And the price-to-income ratio of roughly 3.3x is genuinely reasonable compared to the Chicago metro's urban core, let alone coastal markets. But the 6.1% year-over-year price appreciation is quietly doing damage: homes have climbed significantly since 2020, and the bottom 10% of the market still sits at $170,000 while the top decile reaches $590,000 — a $420,000 spread that tells you this market is bifurcating.

The rent picture is where real stress emerges. A 47.4% rent burden — meaning the typical renter spends nearly half their income on housing — is startling in a county this wealthy. That figure includes a 22.4% severe rent burden rate. The explanation: McHenry County simply wasn't designed for renters. Only 17.4% of occupied units are renter-occupied, and median rent of $1,358/month is being paid by households that likely earn substantially less than the county median. The rental stock here is thin, almost incidental.

Key Statistics

The Car-Dependent Commuter Calculus

With 74.9% of workers driving alone and public transit usage at a negligible 1.4%, McHenry County is unambiguously car country. The Metra Union Pacific Northwest line provides a lifeline to Chicago for select communities, but the county's sprawling geography — 516 people per square mile, notably lower than DuPage or Kane — means most residents are fully dependent on I-90 and Route 14 for economic access. That 14.7% work-from-home rate, however, is quietly reshaping the calculus. Post-pandemic remote work may be the single biggest reason McHenry's housing market has held firm: when the commute disappears, the tradeoff disappears with it.

FAQs

What makes McHenry County unique? McHenry County occupies a rare sweet spot: genuinely high household incomes, homeownership rates that rival rural America, and a price-to-income ratio that still makes sense on paper — all within striking distance of one of the country's largest job markets. It's an exurb that functions more like a self-contained suburban economy than a bedroom community.

Is McHenry County a good place to buy a home right now? For buyers with stable incomes, the fundamentals remain sound — low vacancy, high ownership stability, and modest price-to-income ratios compared to peer Chicago suburbs. But 6.1% annual appreciation means the window for entry-level buyers is narrowing, and the thin rental market offers little flexibility if plans change.

Why are renters so cost-burdened in a wealthy county like McHenry? McHenry County's housing stock — 77.4% single-family homes built around 1992 — was constructed for owners, not renters. The small renter population tends to have lower incomes than the county median, and with limited multi-family inventory, competition for available rentals keeps prices elevated relative to what those households can afford.