 Among the major first ancestries reported in Marble Hill are 16.2% German, 14.5% English, 14.4% Irish, 11.4% American, 5.4% Dutch, and 3.4% French.There were 642 households out of which 31.8% had children under the age of 18 living with them, 46.6% were married couples living together, 15.6% had a female householder with no husband present, and 35.5% were non-families.32.6% of all households were made up of individuals and 17.0% had someone living alone who was 65 years of age or older.