There were 8,931 households, 4,730 (53.0%) had children under the age of 18 living in them, 5,043 (56.5%) were opposite-sex married couples living together, 1,459 (16.3%) had a female householder with no husband present, 762 (8.5%) had a male householder with no wife present. There were 651 (7.3%) unmarried opposite-sex partnerships, and 61 (0.7%) same-sex married couples or partnerships. 1,261 households (14.1%) were one person and 473 (5.3%) had someone living alone who was 65 or older. The average household size was 3.80. There were 7,264 families (81.3% of households); the average family size was 4.13.