Roseville is located in Placer county California with a geographic area of 44.1 square miles. The total population in Roseville is 138,860 with 48.6% male and 51.4% female. Children under age 5 represent 5.9% of the population, under age 18 equal 23.5% of the population and over age 65 is 16.7% of the population. The median household income is $95,519, per capita income is $43,777. There are a total of 51,799 housing units with 67.5% owner occupied. Education includes 12.1% of residents that are high school graduates and 47.3% with a bachelor's degree or higher. The average temperature in Roseville in the summer is 76 degrees, and in the winter 43 degrees.