There were 19,012 households, out of which 8,168 (43.0%) had children under the age of 18 living in them, 9,088 (47.8%) were opposite-sex married couples living together, 4,031 (21.2%) had a female householder with no husband present, 1,651 (8.7%) had a male householder with no wife present. There were 1,302 (6.8%) unmarried opposite-sex partnerships, and 134 (0.7%) same-sex married couples or partnerships. 3,350 households (17.6%) were made up of individuals, and 1,640 (8.6%) had someone living alone who was 65 years of age or older. The average household size was 3.27. There were 14,770 families (77.7% of all households); the average family size was 3.67.