 The average household size was 2.50 and the average family size was 3.08.The median age of the county in 2000 was 38 years, with almost a third (28.6%) of the population aged 25 to 44.Individuals under the age of 18 made up 24% of the population, individuals age 45 to 64 made up 21.4% of the population, individuals age 65 or older made up 16.8% of the population, and individuals between the ages of 18 to 24 made up 9.1% of the population.