Marine City, Michigan

Geography According to the United States Census Bureau, the city has a total area of 6.4 km² (2.5 mi²). 5.7 km² (2.2 mi²) of it is land and 0.7 km² (0.3 mi²) of it is water. The total area is 11.34% water.

Demographics As of the census of 2000, there are 4,652 people, 1,860 households, and 1,212 families residing in the city. The population density is 820.2/km² (2,120.8/mi²). There are 2,006 housing units at an average density of 353.7/km² (914.5/mi²). The racial makeup of the city is 97.29% White, 0.09% African American, 0.56% Native American, 0.26% Asian, 0.00% Pacific Islander, 0.86% from other races, and 0.95% from two or more races. 1.38% of the population are Hispanic or Latino of any race.

There are 1,860 households out of which 33.5% have children under the age of 18 living with them, 48.2% are married couples living together, 12.7% have a female householder with no husband present, and 34.8% are non-families. 30.8% of all households are made up of individuals and 14.4% have someone living alone who is 65 years of age or older. The average household size is 2.50 and the average family size is 3.15.

In the city the population is spread out with 27.6% under the age of 18, 8.2% from 18 to 24, 30.5% from 25 to 44, 19.4% from 45 to 64, and 14.2% who are 65 years of age or older. The median age is 36 years. For every 100 females there are 90.4 males. For every 100 females age 18 and over, there are 88.6 males.

The median income for a household in the city is $40,146, and the median income for a family is $47,308. Males have a median income of $39,228 versus $23,677 for females. The per capita income for the city is $19,722. 8.9% of the population and 7.6% of families are below the poverty line. Out of the total people living in poverty, 9.0% are under the age of 18 and 16.1% are 65 or older.