There were 20,433 households, out of which 9,066 (44.4%) had children under the age of 18 living in them, 12,734 (62.3%) were opposite-sex married couples living together, 2,761 (13.5%) had a female householder with no husband present, 1,182 (5.8%) had a male householder with no wife present. There were 856 (4.2%) unmarried opposite-sex partnerships, and 128 (0.6%) same-sex married couples or partnerships. 2,740 households (13.4%) were made up of individuals, and 1,002 (4.9%) had someone living alone who was 65 years of age or older. The average household size was 3.38. There were 16,677 families (81.6% of all households); the average family size was 3.69.