Henderson is located in Sibley county Minnesota with a geographic area of 1.1 square miles. The total population in Henderson is 926 with 48.5% male and 51.5% female. Children under age 5 represent 6.2% of the population, under age 18 equal 29.8% of the population and over age 65 is 13.1% of the population. The median household income is $74,545, per capita income is $37,152. There are a total of 350 housing units with 81.4% owner occupied. Education includes 43.7% of residents that are high school graduates and 17.7% with a bachelor's degree or higher. The average temperature in Henderson in the summer is 68 degrees, and in the winter 9 degrees.