There were 21,550 households, out of which 9,012 (41.8%) had children under the age of 18 living in them, 11,277 (52.3%) were opposite-sex married couples living together, 2,969 (13.8%) had a female householder with no husband present, 1,412 (6.6%) had a male householder with no wife present. There were 1,436 (6.7%) unmarried opposite-sex partnerships, and 118 (0.5%) same-sex married couples or partnerships. 4,753 households (22.1%) were made up of individuals, and 1,960 (9.1%) had someone living alone who was 65 years of age or older. The average household size was 2.99. There were 15,658 families (72.7% of all households); the average family size was 3.49.