As of the 2010 United States Census, there were 35,386 people residing in the county.
In the county, the population was spread out with 25.40% under the age of 18, 7.70% from 18 to 24, 28.40% from 25 to 44, 23.50% from 45 to 64, and 15.10% who were 65 years of age or older.