 The population density was 33 people per square mile (13/km²).There were 5,438 housing units at an average density of 13 per square mile (5/km²).There were 4,878 households out of which 28.00% had children under the age of 18 living with them, 45.00% were married couples living together, 8.10% had a female householder with no husband present, and 44.20% were non-families.