There were 7,327 households, 2,799 (38.2%) had children under the age of 18 living in them, 4,565 (62.3%) were opposite-sex married couples living together, 726 (9.9%) had a female householder with no husband present, 302 (4.1%) had a male householder with no wife present. There were 263 (3.6%) unmarried opposite-sex partnerships, and 36 (0.5%) same-sex married couples or partnerships. 1,346 households (18.4%) were one person and 438 (6.0%) had someone living alone who was 65 or older. The average household size was 2.76. There were 5,593 families (76.3% of households); the average family size was 3.15.