Polk is located in Polk county Nebraska with a geographic area of 0.5 square miles. The total population in Polk is 319 with 48.9% male and 51.1% female. Children under age 5 represent 2.8% of the population, under age 18 equal 24.1% of the population and over age 65 is 21.0% of the population. The median household income is $46,250, per capita income is $25,654. There are a total of 145 housing units with 82.8% owner occupied. Education includes 37.2% of residents that are high school graduates and 9.7% with a bachelor's degree or higher. The average temperature in Polk in the summer is 72 degrees, and in the winter 26 degrees.
