Солтүстік Дакота штатының Касс округі

County in North Dakota, United States

Cass County is a county in the U. S. state of North Dakota. As of the 2020 census, the population was 184,525. Cass County is the most populous county in North Dakota, accounting for nearly 24% of the state's population. The county seat is Fargo, the state's most populous city. The county is named for George Washington Cass, president of the Northern Pacific Railway from 1872 to 1875. It is the only Cass County in the United States that is not named after Lewis Cass. Cass County is part of the Fargo, ND Moorhead, MN Metropolitan Statistical Area.

Cass County was defined by action of the Dakota Territory legislature on January 4, 1873, and its organization was effected on October 27 of that year. It was named for railroad executive George Washington Cass (1810–1888). Its boundaries were altered in 1875, and in 1961.

Cass County lies on the east side of North Dakota. Its east boundary line abuts the west boundary line of the state of Minnesota across the river. The Red River flows northward along the county's east boundary, on its way to Lake Winnipeg and Hudson Bay. The county's terrain consists of low rolling hills, devoted to agriculture except around developed areas. Its terrain slopes to the north and east, with its highest point on the southwestern corner at 1,194 feet (364 m) ASL. The county has a total area of 1768 square miles (4,579 km2), of which 1765 square miles (4,571 km2) is land and 3.0 square miles (8 km2) (0.2%) is water.

As of the 2010 census, there were 149,778 people, 63,899 households, and 35,215 families in the county. The population density was There were 67,938 housing units at an average density of The racial makeup of the county was 91.7% white, 2.4% Asian, 2.3% black or African American, 1.2% American Indian, 0.5% from other races, and 1.9% from two or more races. Those of Hispanic or Latino origin made up 2.0% of the population. In terms of ancestry, 45.4% were German, 35.8% were Norwegian, 9.2% were Irish, 6.3% were Swedish, and 1.7% were American. Of the 63,899 households, 27.8% had children under the age of 18 living with them, 42.9% were married couples living together, 8.3% had a female householder with no husband present, 44.9% were non families, and 33.0% of all households were made up of individuals. The average household size was 2.27 and the average family size was 2.94. The median age was 31.5 years. The median income for a household in the county was $47,600 and the median income for a family was $68,858. Males had a median income of $42,557 versus $31,916 for females. The per capita income for the county was $28,184. About 5.8% of families and 12.8% of the population were below the poverty line, including 11.0% of those under age 18 and 10.1% of those age 65 or over.