Ottertail is a city located in Otter Tail County Minnesota. With a 2020 population of 656, it is the 434th largest city in Minnesota and the 12145th largest city in the United States . Ottertail is currently growing at a rate of 0.61% annually and its population has increased by 14.69% since the most recent census, which recorded a population of 572 in 2010. Ottertail reached it's highest population of 656 in 2021. Spanning over 6 miles, Ottertail has a population density of 154 people per square mile.
The average household income in Ottertail is $73,704 with a poverty rate of 14.09%. The median rental costs in recent years comes to $856 per month, and the median house value is $182,100. The median age in Ottertail is 49.5 years, 45.6 years for males, and 52.6 years for females.