Bluffton is a city located in the U.S. state of Minnesota. It is within Otter Tail County part of the Fergus Falls Metro Area. It has a total area of 2.79 square miles at 46°28′4″N 95°13′52″W. The elevation is 1,362 feet above sea level. As of the 2010 census data, it had a total population of 207. The population density was 74/sq mi. Estimated per capita income in 2016 was $140,020. Recent job growth is positively increased by 1.13 percent. The average travel time is 16 minutes. It has Zip code 56518.