There were 20,558 households, out of which 7,199 (35.0%) had children under the age of 18 living in them, 8,782 (42.7%) were opposite-sex married couples living together, 3,931 (19.1%) had a female householder with no husband present, 1,486 (7.2%) had a male householder with no wife present. There were 1,085 (5.3%) unmarried opposite-sex partnerships, and 104 (0.5%) same-sex married couples or partnerships. 5,142 households (25.0%) were made up of individuals, and 1,921 (9.3%) had someone living alone who was 65 years of age or older. The average household size was 2.82. There were 14,199 families (69.1% of all households); the average family size was 3.39.