There are fifty-three counties in the state of North Dakota. Pembina County was created by the 1866-1867 Dakota territorial legislature, and was organized on August 12, 1867. The city of Pembina, the oldest European-American settlement in the state, was the county seat from 1867 to 1911. The seat was relocated to Cavalier.
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Created by the 1883 territorial
legislature and named for Nelson E. Nelson of Pembina (1830-1913), legislator
during that session. Government organized: June 9, 1883. County Seat: Lakota,
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 1,009 square miles (2,610 km2), of which 982 square miles (2,540 km2)
is land and 27 square miles (70 km2) (2.7%) is water.