Kelly Lake Real EstateKelly Lake real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a Kelly Lake real estate agent to arrange a tour today! Kelly Lake, Minnesota has a population of 8,091. The median household income in Kelly Lake, Minnesota is $44,659. The median household income for the surrounding county is $50,936 compared to the national median of $57,652. The median age of people living in Kelly Lake is 40.3 years. Kelly Lake WeatherThe average high temperature in July is 77.7 degrees, with an average low temperature in January of -4.9 degrees. The average rainfall is approximately 28 inches per year, with 60.3 inches of snow per year. Nearby Homes for Sale |