Marine St. Croix

County:: Washington County
County Seat:: No
Area (mi²):: 3.908
State:: Minnesota

Marine St. Croix is a city located in Washington County, Minnesota. Marine St. Croix has a 2025 population of 653. Marine St. Croix is currently declining at a rate of -0.31% annually and its population has decreased by -1.51% 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.

Demographics

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.

Population by Race

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%

Marine St. Croix Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

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
Families	$141,714	$171,073
Married Families	$141,714	-
Households	$123,750	$147,395
Non Families	$66,875	$87,225

$68,281

Average Income

$123,750

Median Household Income

2.53%

Poverty Rate