Marine is a village in Madison County, Illinois, United States. The population was 960 at the 2010 census.
The village was so named for the fact a share of the early settlers were sea captains.
Marine is located at 38°47′15″N 89°46′41″W (38.787365, -89.778135).
According to the 2010 census, Marine has a total area of 0.71 square miles (1.84 km2), of which 0.69 square miles (1.79 km2) (or 97.18%) is land and 0.02 square miles (0.05 km2) (or 2.82%) is water.
As of the census of 2010, there were 960 people, 393 households, and 259 families residing in the village. The population density was 1,196.3 people per square mile (462.3/km2). There were 380 housing units at an average density of 499.6 per square mile (193.1/km2). The racial makeup of the village was 97.6% White, 0.6% African American, 0.4% Native American, 0.0% Asian, 0.7% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.3% of the population.
There were 393 households out of which 26.7% had children under the age of 18 living with them, 53.2% were married couples living together, 7.1% had a female householder with no husband present, and 34.1% were non-families. 28.8% of all households were made up of individuals and 23.2% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.03.
In the village, the population was spread out with 20.2% under the age of 18, 8.3% from 20 to 24, 27.0% from 25 to 44, 29.6% from 45 to 64, and 12.7% who were 65 years of age or older.