 Those of Hispanic or Latino origin made up 20.0% of the population.In terms of ancestry, 24.1% were German, 18.8% were English, 11.4% were Irish, and 7.9% were American.Of the 8,823 households, 32.1% had children under the age of 18 living with them, 51.8% were married couples living together, 7.3% had a female householder with no husband present, 36.8% were non-families, and 28.7% of all households were made up of individuals.