In the county, the population was spread out with 31.70% under the age of 18, 7.50% from 18 to 24, 28.20% from 25 to 44, 22.60% from 45 to 64, and 9.90% who were 65 years of age or older.
Of the 3,188 households, 37.5% had children under the age of 18 living with them, 49.5% were married couples living together, 9.6% had a female householder with no husband present, 32.5% were non-families, and 27.8% of all households were made up of individuals.