Marine on St. Croix is a city located in Washington County Minnesota. With a 2020 population of 710, it is the 415th largest city in Minnesota and the 11825th largest city in the United States . Marine on St. Croix is currently declining at a rate of -0.14% annually but its population has increased by 3.05% since the most recent census, which recorded a population of 689 in 2010. Marine on St. Croix reached it's highest population of 713 in 2018. Spanning over 4 miles, Marine on St. Croix has a population density of 182 people per square mile.
The average household income in Marine on St. Croix is $125,333 with a poverty rate of 11.60%. The median rental costs in recent years comes to $1,286 per month, and the median house value is $397,100. The median age in Marine on St. Croix is 51.2 years, 51.6 years for males, and 50.3 years for females.