There were 13,640 households, out of which 8,556 (62.7%) had children under the age of 18 living in them, 9,983 (73.2%) were opposite-sex married couples living together, 1,385 (10.2%) had a female householder with no husband present, 893 (6.5%) had a male householder with no wife present. There were 701 (5.1%) unmarried opposite-sex partnerships, and 109 (0.8%) same-sex married couples or partnerships. 871 households (6.4%) were made up of individuals, and 93 (0.7%) had someone living alone who was 65 years of age or older. The average household size was 3.93. There were 12,261 families (89.9% of all households); the average family size was 4.05.