Sheldahl is located in Polk county Iowa with a geographic area of 0.8 square miles. The total population in Sheldahl is 337 with 52.8% male and 47.2% female. Children under age 5 represent 8.6% of the population, under age 18 equal 29.7% of the population and over age 65 is 13.1% of the population. The median household income is $68,409, per capita income is $26,362. There are a total of 118 housing units with 87.3% owner occupied. Education includes 25.4% of residents that are high school graduates and 22.9% with a bachelor's degree or higher. The average temperature in Sheldahl in the summer is 72 degrees, and in the winter 23 degrees.