Marine City is a city located in St. Clair County, Michigan. Marine City has a 2025 population of 3,981. Marine City is currently declining at a rate of -0.45% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 4,071 in 2020.
The average household income in Marine City is $76,466 with a poverty rate of 7.36%.The median age in Marine City is 49.2 years: 50.3 years for males, and 47.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Marine City includes 95.11% White, and smaller percentages for other race, Two or more races, Asian and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 3,849 | 95.11% |
Other race | 94 | 2.32% |
Two or more races | 92 | 2.27% |
Asian | 12 | 0.3% |
Married
Widowed
Divorced
Separated
Never Married
Marine City's average per capita income is $44,519. Household income levels show a median of $63,156. The poverty rate stands at 7.36%.
Name | Median | Mean |
---|---|---|
Married Families | $91,563 | - |
Families | $80,833 | $84,624 |
Households | $63,156 | $76,466 |
Non Families | $50,325 | $64,332 |
Average Income
Median Household Income
Poverty Rate