There were 17,189 households, 10,027 (58.3%) had children under the age of 18 living in them, 10,097 (58.7%) were opposite-sex married couples living together, 3,358 (19.5%) had a female householder with no husband present, 1,700 (9.9%) had a male householder with no wife present. There were 1,093 (6.4%) unmarried opposite-sex partnerships, and 103 (0.6%) same-sex married couples or partnerships. 1,474 households (8.6%) were one person and 648 (3.8%) had someone living alone who was 65 or older. The average household size was 4.36. There were 15,155 families (88.2% of households); the average family size was 4.45.