Richville is a city in Otter Tail County, Minnesota, United States. The population was 96 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 1.0 square miles (2.6 km²), all of it land.
As of the census of 2000, there were 124 people, 50 households, and 33 families residing in the city. The population density was 123.7 people per square mile (47.9/km²). There were 50 housing units at an average density of 49.9 per square mile (19.3/km²). The racial makeup of the city was 99.19% White and 0.81% Native American. Hispanic or Latino of any race were 0.81% of the population.