There were 56,001 households, out of which 18,558 (33.1%) had children under the age of 18 living in them, 29,754 (53.1%) were opposite-sex married couples living together, 6,148 (11.0%) had a female householder with no husband present, 2,510 (4.5%) had a male householder with no wife present. There were 2,152 (3.8%) unmarried opposite-sex partnerships, and 309 (0.6%) same-sex married couples or partnerships. 14,472 households (25.8%) were made up of individuals, and 5,611 (10.0%) had someone living alone who was 65 years of age or older. The average household size was 2.58. There were 38,412 families (68.6% of all households); the average family size was 3.14.