There were 6,627 households, 2,631 (39.7%) had children under the age of 18 living in them, 3,893 (58.7%) were opposite-sex married couples living together, 788 (11.9%) had a female householder with no husband present, 425 (6.4%) had a male householder with no wife present. There were 419 (6.3%) unmarried opposite-sex partnerships, and 62 (0.9%) same-sex married couples or partnerships. 1,091 households (16.5%) were one person and 429 (6.5%) had someone living alone who was 65 or older. The average household size was 3.04. There were 5,106 families (77.0% of households); the average family size was 3.36.