There were 23,651 households, 11,029 (46.6%) had children under the age of 18 living in them, 10,992 (46.5%) were opposite-sex married couples living together, 4,812 (20.3%) had a female householder with no husband present, 1,965 (8.3%) had a male householder with no wife present. There were 1,666 (7.0%) unmarried opposite-sex partnerships, and 170 (0.7%) same-sex married couples or partnerships. 4,618 households (19.5%) were one person and 1,540 (6.5%) had someone living alone who was 65 or older. The average household size was 3.21. There were 17,769 families (75.1% of households); the average family size was 3.67.