Lengby is a city located in Polk County Minnesota. With a 2020 population of 89, it is the 778th largest city in Minnesota and the 18490th largest city in the United States . Lengby is currently growing at a rate of 1.14% annually and its population has increased by 3.49% since the most recent census, which recorded a population of 86 in 2010. Lengby reached it's highest population of 89 in 2021. Spanning over 0 miles, Lengby has a population density of 363 people per square mile.
The average household income in Lengby is $61,708 with a poverty rate of 4.26%. The median rental costs in recent years comes to - per month, and the median house value is $56,700. The median age in Lengby is 53.8 years, 52.5 years for males, and 68.3 years for females.