 Those of Hispanic or Latino origin made up 1.8% of the population.In terms of ancestry, 25.0% were German, 14.4% were American, 12.4% were Irish, and 9.9% were English.Of the 7,763 households, 28.5% had children under the age of 18 living with them, 52.6% were married couples living together, 9.4% had a female householder with no husband present, 33.6% were non-families, and 29.1% of all households were made up of individuals.