Linn valley is located in Linn county Kansas with a geographic area of 3.0 square miles. The total population in Linn valley is 861 with 49.6% male and 50.4% female. Children under age 5 represent 2.6% of the population, under age 18 equal 18.7% of the population and over age 65 is 22.9% of the population. The median household income is $55,938, per capita income is $41,193. There are a total of 441 housing units with 92.3% owner occupied. Education includes 31.3% of residents that are high school graduates and 25.2% with a bachelor's degree or higher. The average temperature in Linn valley in the summer is 78 degrees, and in the winter 32 degrees.