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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Richland County is a county located in the state of North Dakota. Based on the 2010 census, the population was 16,321. Its county seat is
Wahpeton. The county was created by the 1872-73 territorial legislature and named for Morgan T. Rich of Wahpeton, who settled on the site of
the future city in 1869. County government was organized on November 25, 1873.
Richland County is part of the Wahpeton, ND-MN Micropolitan Statistical Area, which is also included in the Fargo-Wahpeton, ND-MN Combined
Etymology - Origin of Richland County Name
Named for Morgan T. Rich of Wahpeton (1832-1898), who settled
on the site of the future city in 1869.
Created by the 1872-73 territorial
legislature and named for Morgan T. Rich of Wahpeton (1832-1898), who settled on
the site of the future city in 1869. Government organized: November 25, 1873.
County Seat: Wahpeton (Chahinkapa), 1873-present.
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 1,445 square miles (3,740 km2), of which 1,436 square miles (3,720 km2)
is land and 9.7 square miles (25 km2) (0.7%) is water.