Calvin is a city in Cavalier County, North Dakota, United States.

Likely the most historic structure left in town, the Calvin AF & AM Corinthian Masonic Lodge Number 78, was burned and razed in May 2014, after the upper floor had collapsed sometime between 2010 and 2012.

[5] According to the United States Census Bureau, the city has a total area of 0.22 square miles (0.57 km2), all land.

There were 10 housing units at an average density of 45.5 per square mile (17.6/km2).

62.5% of all households were made up of individuals, and 25% had someone living alone who was 65 years of age or older.

36.4% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.