 Those of Hispanic or Latino origin made up 2.1% of the population.In terms of ancestry, 35.7% were German, 15.5% were Irish, 13.6% were American, and 10.4% were English.Of the 5,676 households, 30.6% had children under the age of 18 living with them, 52.8% were married couples living together, 9.8% had a female householder with no husband present, 33.1% were non-families, and 29.2% of all households were made up of individuals.