In the county, the population was spread out with 22.90% under the age of 18, 8.00% from 18 to 24, 27.40% from 25 to 44, 26.20% from 45 to 64, and 15.60% who were 65 years of age or older.
Of the 30,676 households, 28.2% had children under the age of 18 living with them, 53.8% were married couples living together, 11.2% had a female householder with no husband present, 31.2% were non-families, and 26.2% of all households were made up of individuals.