Richland County, North Dakota

Richland County
Location within the U.S. state of North Dakota
North Dakota's location within the U.S.
Coordinates: 46°15′55″N 96°56′17″W / 46.265219°N 96.93796°W / 46.265219; -96.93796
Country United States
State North Dakota
FoundedJanuary 4, 1873 (created)
November 25, 1873 (organized)
Named afterMorgan T. Rich
SeatWahpeton
Largest cityWahpeton
Area
  Total
1,445.340 sq mi (3,743.41 km2)
  Land1,435.674 sq mi (3,718.38 km2)
  Water9.666 sq mi (25.03 km2)  0.67%
Population
 (2020)
  Total
16,529
  Estimate 
(2024)
16,658
  Density11.603/sq mi (4.480/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code701
Congressional districtAt-large
Websiteco.richland.nd.us

Richland County is a county in the far southeast corner of the U.S. state of North Dakota. As of the 2020 census, the population was 16,529, and was estimated to be 16,658 in 2024. The county seat and the largest city is Wahpeton.

Richland County is part of the Wahpeton, ND–MN Micropolitan Statistical Area, which is also included in the Fargo-Wahpeton, ND-MN Combined Statistical Area.