Manson is located in Chelan county Washington with a geographic area of 1.3 square miles. The total population in Manson is 1,433 with 58.4% male and 41.6% female. Children under age 5 represent 0.0% of the population, under age 18 equal 17.6% of the population and over age 65 is 19.4% of the population. The median household income is $51,699, per capita income is $34,553. There are a total of 621 housing units with 71.8% owner occupied. Education includes 44.0% of residents that are high school graduates and 23.3% with a bachelor's degree or higher. The average temperature in Manson in the summer is 60 degrees, and in the winter 42 degrees.