St. joseph is located in Buchanan county Missouri with a geographic area of 44.0 square miles. The total population in St. joseph is 75,369 with 50.3% male and 49.7% female. Children under age 5 represent 6.5% of the population, under age 18 equal 22.3% of the population and over age 65 is 15.9% of the population. The median household income is $48,716, per capita income is $26,033. There are a total of 29,008 housing units with 58.9% owner occupied. Education includes 33.7% of residents that are high school graduates and 24.0% with a bachelor's degree or higher. The average temperature in St. joseph in the summer is 77 degrees, and in the winter 32 degrees.
