Elk river is located in Sherburne county Minnesota with a geographic area of 42.3 square miles. The total population in Elk river is 24,894 with 50.0% male and 50.0% female. Children under age 5 represent 7.6% of the population, under age 18 equal 26.6% of the population and over age 65 is 12.3% of the population. The median household income is $87,755, per capita income is $34,569. There are a total of 8,529 housing units with 78.0% owner occupied. Education includes 18.9% of residents that are high school graduates and 24.9% with a bachelor's degree or higher. The average temperature in Elk river in the summer is 68 degrees, and in the winter 9 degrees.