Lengby is located in Mahnomen county Minnesota with a geographic area of 0.2 square miles. The total population in Lengby is 52 with 59.6% male and 40.4% female. Children under age 5 represent 15.4% of the population, under age 18 equal 25.0% of the population and over age 65 is 19.2% of the population. The median household income is $56,875, per capita income is $27,333. There are a total of 21 housing units with 90.5% owner occupied. Education includes 33.3% of residents that are high school graduates and 33.3% with a bachelor's degree or higher. The average temperature in Lengby in the summer is 65 degrees, and in the winter 9 degrees.
