Bergen is a city in McHenry County, North Dakota, United States.

[5] According to the United States Census Bureau, the city has a total area of 0.74 square miles (1.92 km2), all land.

There were 10 housing units at an average density of 13.5 per square mile (5.2/km2).

25.0% of all households were made up of individuals, and 25% had someone living alone who was 65 years of age or older.

There were 11 housing units at an average density of 15.4 per square mile (6.0/km2).

25.0% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older.