The 2010 census recorded a population of 46,225 in the county, with a population density of .
In the county, the population was spread out with 27.00% under the age of 18, 9.70% from 18 to 24, 28.20% from 25 to 44, 23.20% from 45 to 64, and 11.80% who were 65 years of age or older.