Marine St. Croix is a city located in Washington County, Minnesota. Marine St. Croix has a 2025 population of 656 . Marine St. Croix is currently declining at a rate of -0.3% annually and its population has decreased by -1.06% since the most recent census, which recorded a population of 663 in 2020.
The average household income in Marine St. Croix is $147,395 with a poverty rate of 2.53%. The median age in Marine St. Croix is 58 years: 57.1 years for males, and 60.4 years for females. For every 100 females there are 98.3 males.
Data after 2023 is projected based on recent change
The racial composition of Marine St. Croix includes 96.07% White, and smaller percentages for Two or more races, Asian, Native American and multiracial populations.
White (96.07%)
Two or more races (2.39%)
Asian (1.4%)
Native American (0.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 684 | 96.07% |
| Two or more races | 17 | 2.39% |
| Asian | 10 | 1.4% |
| Native American | 1 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
Marine St. Croix's average per capita income is $68,281. Household income levels show a median of $123,750. The poverty rate stands at 2.53%.
Name | Median | Mean |
|---|---|---|
| Families | $141,714 | $171,073 |
| Married Families | $141,714 | - |
| Households | $123,750 | $147,395 |
| Non Families | $66,875 | $87,225 |
Average Income
Median Household Income
Poverty Rate