There were 75,515 households, out of which 36,064 (47.8%) had children under the age of 18 living in them, 42,153 (55.8%) were opposite-sex married couples living together, 12,562 (16.6%) had a female householder with no husband present, 4,693 (6.2%) had a male householder with no wife present. There were 3,720 (4.9%) unmarried opposite-sex partnerships, and 502 (0.7%) same-sex married couples or partnerships. 12,581 households (16.7%) were made up of individuals, and 4,997 (6.6%) had someone living alone who was 65 years of age or older. The average household size was 3.21. There were 59,408 families (78.7% of all households); the average family size was 3.60.