Marine City is a city located in Michigan. With a 2020 population of 4,040, it is the 172nd largest city in Michigan and the 5369th largest city in the United States. Marine City is currently declining at a rate of -0.49% annually and its population has decreased by -4.90% since the most recent census, which recorded a population of 4,248 in 2010. Marine City reached it's highest population of 4,652 in 2000. Spanning over 3 miles, Marine City has a population density of 1,874 people per square mile.
The average household income in Marine City is $55,505 with a poverty rate of 12.78%. The median rental costs in recent years comes to $793 per month, and the median house value is $108,700. The median age in Marine City is 45.7 years, 43 years for males, and 48.9 years for females. For every 100 females there are 102.5 males.