There were 45,391 households, out of which 16,155 (35.6%) had children under the age of 18 living in them, 23,240 (51.2%) were opposite-sex married couples living together, 5,502 (12.1%) had a female householder with no husband present, 2,505 (5.5%) had a male householder with no wife present. There were 2,366 (5.2%) unmarried opposite-sex partnerships, and 290 (0.6%) same-sex married couples or partnerships. 9,771 households (21.5%) were made up of individuals, and 3,342 (7.4%) had someone living alone who was 65 years of age or older. The average household size was 2.91. There were 31,247 families (68.8% of all households); the average family size was 3.43.