 The average household size was 2.52 and the average family size was 2.99.As of the 2010 census, there were about 4.1 same-sex couples per 1,000 households in the county.In the county, the population was spread out with 23.40% under the age of 18, 10.00% from 18 to 24, 29.80% from 25 to 44, 21.60% from 45 to 64, and 15.20% who were 65 years of age or older.