Marine City Flag

Marine City

County Seat:
No
Area (mi²):
2.156
State:
Michigan

Marine City is a city located in St. Clair County, Michigan. Marine City has a 2026 population of 3,973. Marine City is currently declining at a rate of -0.4% annually and its population has decreased by -2.43% since the most recent census, which recorded a population of 4,072 in 2020.

The median household income in Marine City is $67,683 with a poverty rate of 7.65%. The median age in Marine City is 51.1 years: 51.2 years for males, and 51.1 years for females. For every 100 females there are 99.4 males.

4K
Total Population
1,843
Density (mi²)
-16 -0.4%
Growth

Marine City Population

Marine City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,973-16-0.4%
20253,989-17-0.42%
20244,006-15-0.37%
20234,021-2-0.05%
20224,023-33-0.81%
20214,056-19-0.47%
20204,072110.27%
20194,061-17-0.42%
20184,078-22-0.54%
20174,100-27-0.65%
20164,127-20-0.48%
20154,147-19-0.46%
20144,166-8-0.19%
20134,174-8-0.19%
20124,182-27-0.64%
20114,209-35-0.82%
20104,244-4-0.09%
20004,652962.11%
19904,5561423.22%
19804,414-153-3.35%
19704,5671633.7%
19604,4041343.14%
19504,27063717.53%
19403,6331714.94%
19303,462-269-7.21%
19203,731-39-1.03%
19103,770-59-1.54%
19003,82956117.17%
18903,26800%

Median Age

Overall: 51.1 years
Female: 51.1 years
Male: 51.2 years

Marine City Adults

There are 3,453 adults, (1,173 of whom are seniors) in Marine City.

Sex Ratio

Female: 2,020 (50.1%)
Male: 2,008 (49.9%)

Demographics

The racial composition of Marine City includes 93.87% White, 3.55% other race, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,78193.87%
Other race1433.55%
Two or more races942.33%
Asian100.25%
Race
Population ↓
Percentage (of total)
Two or more races431.07%
Other race130.32%
Race
Population ↓
Percentage (of total)
White3,78193.87%
Other race1303.23%
Two or more races511.27%
Asian100.25%

Marine City Marital Status

Economics and Income Statistics

Marine City 's average per capita income is $50,919. Household income levels show a median of $67,683. The poverty rate stands at 7.65%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$97,750-
Families$89,375$104,436
Households$67,683$85,244
Non Families$48,897$61,744

$50,919

Average Income

$67,683

Median Household Income

7.65%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)