Beulah is a city in Mercer County, North Dakota, United States. The population was 3,121 at the 2010 census, making it the sixteenth largest city in North Dakota.
Beulah is home to the Dakota Gasification Company, and the largest lignite mine in the United States, owned by North American Coal Corporation.
Beulah was founded in 1914. It was named after Beulah Stinchcombe, the niece of a local land developer.
Beulah is located at 47°16′5″N 101°46′38″W (47.268088, -101.777229).
According to the United States Census Bureau, the city has a total area of 2.51 square miles (6.50 km2), of which 2.49 square miles (6.45 km2) is land and 0.02 square miles (0.05 km2) is water.
As of the census of 2010, there were 3,121 people, 1,353 households, and 862 families living in the city. The population density was 1,253.4 inhabitants per square mile (483.9/km2). There were 1,508 housing units at an average density of 605.6 per square mile (233.8/km2). The racial makeup of the city was 94.8% White, 0.2% African American, 2.3% Native American, 0.3% Asian, 0.3% Pacific Islander, 0.7% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 2.3% of the population.
There were 1,353 households, of which 26.8% had children under the age of 18 living with them, 55.1% were married couples living together, 4.7% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 36.3% were non-families. 31.9% of all households were made up of individuals, and 12.1% had someone living alone who was 65 years of age or older.