Osage beach is located in Camden county Missouri with a geographic area of 9.8 square miles. The total population in Osage beach is 4,923 with 52.7% male and 47.3% female. Children under age 5 represent 6.8% of the population, under age 18 equal 22.1% of the population and over age 65 is 24.7% of the population. The median household income is $46,335, per capita income is $25,213. There are a total of 1,669 housing units with 65.2% owner occupied. Education includes 24.7% of residents that are high school graduates and 34.5% with a bachelor's degree or higher. The average temperature in Osage beach in the summer is 76 degrees, and in the winter 32 degrees.