3650 Koski Road

Where Half the Houses Sit Empty and the Summers Are Priceless

Mackinac County occupies one of the most scenically improbable corners of Michigan's Upper Peninsula — a sparsely inhabited stretch of forest and shoreline that bridges Lakes Huron and Michigan, anchored by the cultural icon of Mackinac Island and the engineering marvel of the Mackinac Bridge. The county's real estate data looks, at first glance, like a distress signal. Look closer, and it tells a far more nuanced story about seasonal economies, an aging population, and the quiet arithmetic of tourism.

The Vacancy Rate That Isn't a Crisis

The headline number here is the vacancy rate: 51.5% of the county's roughly 10,575 housing units sit unoccupied at any given census snapshot. In most American counties, that figure would signal catastrophic population loss or economic collapse. In Mackinac County, it signals summer. The county's population explodes seasonally as vacation homeowners from Downstate Michigan, Illinois, and Wisconsin return to their lakefront cottages, resort properties, and island retreats. These are not abandoned homes — they are intentionally empty in winter, which is exactly when the Census Bureau tends to count them. It's one of the highest vacancy rates of any county in the Midwest, and it's largely by design.

This dynamic also explains the remarkably affordable median home value of $165,600 — about half the national median — despite the county's genuine desirability. The math is skewed by the large stock of modest year-round homes in towns like St. Ignace and Newberry, which pulls the median down even as waterfront and island properties command prices many multiples higher.

Key Statistics

An Economy Built Around a Short Summer

The 9.4% unemployment rate is painful in absolute terms, but it reflects the brutal seasonality of a tourism-dependent economy. Mackinac Island — reachable only by ferry or small plane, and famously car-free — draws over 900,000 visitors annually into a county with fewer than 11,000 permanent residents. Jobs appear in May and vanish by October. The labor force participation rate of just 50.7%, far below the national norm, reflects both this seasonality and a population that skews dramatically older: the median age of 53.3 years and a 29% share of residents over 65 tell you this is retirement and semi-retirement country. The child poverty rate of 26.9% is a sobering counterpoint — those who stay year-round and raise families here often do so against genuine economic headwinds.

The income inequality measure (Gini Index: 0.446) is notably elevated, which makes intuitive sense: a county that hosts both wealthy seasonal cabin owners and working-class year-round residents in the same census tract will always show a wide spread.

Who Actually Lives Here Year-Round?

The 10.6% limited English figure is unusually high for a rural Michigan county and likely reflects the J-1 visa workforce that staffs Mackinac Island's hotels and restaurants each summer — a cohort of young workers from Eastern Europe and Latin America who are counted as residents if present during the survey window.

The 77.4% homeownership rate, well above the national norm, is characteristic of rural communities where renting is simply less available as an option and longtime residents have paid off modest homes. Rent remains genuinely affordable at a $761 median — one of the lowest in Michigan.

FAQs

What makes Mackinac County unique? It is one of the most tourism-saturated counties in the Great Lakes region, home to Mackinac Island — a National Historic Landmark where cars are banned and horse-drawn carriages are the primary transport. This creates a real estate and labor market unlike almost anywhere else in the Midwest, shaped more by seasonal rhythms than by conventional economic cycles.

Why is the vacancy rate so high in Mackinac County? Over half of all housing units are vacant because a large share are seasonal vacation properties — cottages, cabins, and resort homes that sit empty outside the summer tourism season. This is not a sign of blight; it's the structural fingerprint of a county whose economy runs on short, intense tourist seasons.

Is Mackinac County affordable to live in year-round? On paper, yes — home values and rents are well below national averages. But the unemployment rate nearly triples the national norm in winter, wages are heavily compressed around service-sector tourism jobs, and child poverty exceeds 1 in 4. Affordability in housing is real; economic stability for working families is considerably harder to find.