In the county, the population was spread out with 21.80% under the age of 18, 7.70% from 18 to 24, 27.40% from 25 to 44, 24.90% from 45 to 64, and 18.20% who were 65 years of age or older.
As of the 2010 United States Census, there were 70,400 people, 28,679 households, and 18,761 families residing in the county [REF].