Of the 72,269 households, 21,792 (30.2%) had children under the age of 18 living in them, 37,486 (51.9%) were opposite-sex married couples living together, 8,908 (12.3%) had a female householder with no husband present, 3,693 (5.1%) had a male householder with no wife present, 2,359 (3.3%) were unmarried opposite-sex partnerships, and 605 (0.8%) were same-sex married couples or partnerships. About 18,000 households (24.9%) were made up of individuals, and 7,077 (9.8%) had someone living alone who was 65 years of age or older. The average household size was 2.63. The 50,087 families (69.3% of all households) had an average family size of 3.19.