 The average household size was 2.82 and the average family size was 3.28.A Williams Institute analysis of 2010 census data found there were about 5.8 same-sex couples per 1,000 households in the county.In the county, the population was spread out with 28.30% under the age of 18, 8.50% from 18 to 24, 29.80% from 25 to 44, 20.80% from 45 to 64, and 12.50% who were 65 years of age or older.