 Those of Hispanic or Latino origin made up 1.1% of the population.In terms of ancestry, 29.2% were German, 20.2% were American, 12.8% were Irish, and 11.0% were English.Of the 10,447 households, 33.4% had children under the age of 18 living with them, 55.9% were married couples living together, 10.7% had a female householder with no husband present, 28.6% were non-families, and 24.0% of all households were made up of individuals.