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Advertise here →Marine City, MI · Market Data
Marine City, Michigan real estate market data.
Real estate market data for Marine City, MI (St. Clair County) — Census median home value $146,500, county listing prices up about 3.9% over the past year.
Marine City, MI is in St. Clair County, Michigan — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 4,047, with a median household income of $63,156. Census data puts Marine City's median home value at $146,500 (all owner-occupied homes); St. Clair County's current median listing price runs $329,450, up about 3.9% over the past year.
At a glance
Marine City market snapshot
Population
4,047
Median Household Income
$63,156
Median Home Value (city)
$146,500
Median Listing Price (St. Clair County)
$329,450
Median Gross Rent
$872/mo
Price Trend (YoY)
+3.9%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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What makes Marine City different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Marine City's median home value — across all owner-occupied homes, not just recent sales — at $146,500. Separately, St. Clair County's current median listing price (via Realtor.com data, 2026-06-01) runs $329,450. 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
St. Clair County's FHFA house price index shows a 4.82% annual change in 2025.
Population & Income
Marine City has an estimated population of 4,047 and a median household income of $63,156, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Marine City's Census-reported median home value works out to about 2.3x the area's median household income, and median gross rent runs roughly 17% 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.
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Common questions
Marine City FAQ
What are home values like in Marine City, MI?
The Census Bureau's American Community Survey puts Marine City's median home value at $146,500. St. Clair County's current median listing price runs $329,450, up about 3.9% over the past year.
What is the population of Marine City, MI?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Marine City's population at approximately 4,047.
What's the median rent in Marine City, MI?
The Census ACS estimates median gross rent in Marine City at approximately $872 per month.
What is the median household income in Marine City, MI?
Census ACS data puts the median household income in Marine City at approximately $63,156.
Is the Marine City housing market growing?
St. Clair County's FHFA house price index shows a 4.82% annual change in 2025.
Is Marine City, MI affordable relative to income?
Census ACS data puts Marine City's median home value at about 2.3 times the median household income, with median gross rent equal to roughly 17% 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.
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