Cass County, North Dakota

Cass County, North Dakota
Cass County Courthouse in Fargo
Location in the U.S. state of North Dakota
North Dakota's location in the U.S.
Founded	October 27, 1873
Named for	George Washington Cass
Seat	Fargo
Largest city	Fargo
Area
• Total	1,768 sq mi (4,579 km2)
• Land	1,765 sq mi (4,571 km2)
• Water	3.0 sq mi (8 km2), 0.2%
Population (est.)
• (2015)	171,512
• Density	95/sq mi (36.5/km²)
Congressional district	At-large
Time zone	Central: UTC-6/-5
Website	www.co.cass.nd.us

Cass County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 149,778, and was estimated to be 171,512 in 2015. Cass County is the most populous county in North Dakota, accounting for nearly 23% of the state's population. Its county seat is Fargo, the most populous city in the state. The county was organized on October 27, 1873.

Cass County is part of the Fargo, ND-MN Metropolitan Statistical Area.

Cass County dates back to the days of the Dakota Territory. It was one of the original counties defined in 1872, and was organized on October 27, 1873, at a meeting in Fargo. It was named after railroad executive George Washington Cass (1810 - 1888).

According to the U.S. Census Bureau, the county has a total area of 1,768 square miles (4,580 km²), of which 1,765 square miles (4,570 km²) is land and 3.0 square miles (7.8 km²) (0.2%) is water.

As of the census of 2000, there were 123,138 people, 51,315 households, and 29,814 families residing in the county. The population density was 70 people per square mile (27/km²). There were 53,790 housing units at an average density of 30 per square mile (12/km²). The racial makeup of the county was 95.10% White, 0.81% Black or African American, 1.08% Native American, 1.26% Asian, 0.03% Pacific Islander, 0.43% from other races, and 1.29% from two or more races. 1.23% of the population were Hispanic or Latino of any race. 34.1% were of German and 32.4% Norwegian ancestry.