Buffalo Lake is a city located in Renville County Minnesota. With a 2020 population of 680, it is the 424th largest city in Minnesota and the 12017th largest city in the United States . Buffalo Lake is currently declining at a rate of -0.44% annually and its population has decreased by -7.23% since the most recent census, which recorded a population of 733 in 2010. Buffalo Lake reached it's highest population of 743 in 2010. Spanning over 1 miles, Buffalo Lake has a population density of 969 people per square mile.
The average household income in Buffalo Lake is $50,611 with a poverty rate of 21.98%. The median rental costs in recent years comes to $539 per month, and the median house value is $92,400. The median age in Buffalo Lake is 50.7 years, 49.9 years for males, and 53.4 years for females.