Marine City, Michigan Demographics & Population 2026
During the 2020–2024 ACS period, Marine City, Michigan had a total population of 4,028, the 208th largest city in Michigan, with a median household income of $67,683, which is 7% lower than the state average. The poverty rate is 7.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.4x.
- Unemployment rate of 9.2% is notably above the national average.
Marine City Quick Facts
How Marine City Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 4,047 | 4,028 | -0.5% |
| Median household income | $63,156 | $67,683 | +7.2% |
| Median home value | $146,500 | $159,800 | +9.1% |
How Marine City Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Marine City Rankings in Michigan
Explore Michigan Rankings
Other Cities in St. Clair County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Port Huron | 28,620 | $50,366 | 22.6% | $149,300 |
| Marysville | 9,925 | $66,901 | 6.4% | $208,600 |
| St. Clair | 5,585 | $69,688 | 7.1% | $223,200 |
| Pearl Beach | 4,506 | $83,208 | 10.0% | $301,700 |
| Algonac | 4,139 | $56,820 | 14.5% | $199,500 |
| Yale | 2,129 | $53,236 | 18.0% | $127,100 |
| Capac | 1,970 | $60,329 | 12.5% | $161,700 |
| Lakeport | 742 | $54,236 | 17.3% | $206,400 |
| Ruby | 714 | $69,077 | 2.7% | $223,800 |
| Emmett | 207 | $120,074 | 1.9% | $145,800 |
Cities Similar to Marine City
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| South Haven | 3,998 | $68,239 | $454,100 | 41.2% | 15.8% |
| Paw Paw Lake | 3,889 | $67,674 | $191,700 | 26.1% | 17.8% |
| Otsego | 4,074 | $74,156 | $160,500 | 13.5% | 5.3% |
| Vicksburg | 3,934 | $72,656 | $231,500 | 29.0% | 5.0% |
| Lowell | 4,139 | $72,875 | $228,400 | 29.7% | 4.5% |
Population Overview
Marine City is a small community located in Michigan, within St. Clair County. The total population is 4,028. It ranks as the 208th most populous out of 745 Census-designated places in Michigan.
Age Demographics
The median age in Marine City is 51.1 years. This is 27% higher than the state median of 40.2 years. Only 14.3% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in Marine City is $67,683. This is 7% lower than the state median of $72,875. It is also 16% lower than the national median of $80,734. The poverty rate stands at 7.6%. This is 42% lower than the state poverty rate of 13.2%. The unemployment rate is 9.2%. This is 62% higher than the state rate of 5.7%. The median home value is $159,800. Housing costs are 31% lower than the state median of $231,600. With a home-value-to-income ratio of just 2.4x, Marine City is one of the most affordable housing markets in the area. 80.7% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 73.2%.
Race & Ethnicity
Marine City has a predominantly White (non-Hispanic) population, comprising 93.9% of all residents. Hispanic or Latino residents account for 1.4%. The Hispanic or Latino population (1.4%) is well below the state average of 5.9%. The Asian population (0.3%) is well below the state average of 3.4%.
Education
18.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% lower than the state rate of 32.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.4%.
Data Sources & Methodology
All demographic data for Marine City, Michigan is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Michigan state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 745 Census-designated places in Michigan. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Marine City, Michigan?
Marine City, Michigan has a population of 4,028 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marine City, MI?
The median household income in Marine City is $67,683, which is 16% lower than the national median of $80,734.
What is the poverty rate in Marine City, MI?
The poverty rate in Marine City is 7.6%. This means approximately 308 residents live below the federal poverty line.
What is the racial makeup of Marine City, Michigan?
Marine City's population is 93.9% White, 0.0% Black, 1.4% Hispanic/Latino, and 0.3% Asian.
What is the median home value in Marine City, MI?
The median home value in Marine City is $159,800. The home-value-to-income ratio is 2.4x.
How educated is Marine City, Michigan?
18.4% of adults (25+) in Marine City hold a bachelor's degree or higher, and 9.0% hold a graduate or professional degree.