Cass County, North Dakota facts for kids
Quick facts for kids
Cass County
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![]() Cass County Courthouse in Fargo
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![]() Location within the U.S. state of North Dakota
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![]() North Dakota's location within the U.S. |
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Country | ![]() |
State | ![]() |
Founded | 1873 |
Named for | George Washington Cass |
Seat | Fargo |
Largest city | Fargo |
Area | |
• Total | 1,768 sq mi (4,580 km2) |
• Land | 1,765 sq mi (4,570 km2) |
• Water | 3.0 sq mi (8 km2) 0.2% |
Population
(2020)
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• Total | 184,525 |
• Estimate
(2021)
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186,562 |
• Density | 104.369/sq mi (40.297/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | At-large |
Cass County is a county in the U.S. state of North Dakota. As of the 2020 United States 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.
Cass County is part of the Fargo, ND-Moorhead, MN Metropolitan Statistical Area.
Contents
History
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).
Geography
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.
Major highways
Interstate 29
Interstate 94
U.S. Highway 10
U.S. Highway 52
U.S. Highway 81
North Dakota Highway 18
North Dakota Highway 38
North Dakota Highway 46
Adjacent counties
- Traill County (north)
- Norman County, Minnesota (northeast)
- Clay County, Minnesota (east)
- Richland County (southeast)
- Ransom County (southwest)
- Barnes County (west)
- Steele County (northwest)
Demographics
Historical population | |||
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Census | Pop. | %± | |
1880 | 8,998 | — | |
1890 | 19,613 | 118.0% | |
1900 | 28,625 | 45.9% | |
1910 | 33,935 | 18.6% | |
1920 | 41,477 | 22.2% | |
1930 | 48,735 | 17.5% | |
1940 | 52,849 | 8.4% | |
1950 | 58,877 | 11.4% | |
1960 | 66,947 | 13.7% | |
1970 | 73,653 | 10.0% | |
1980 | 88,247 | 19.8% | |
1990 | 102,874 | 16.6% | |
2000 | 123,138 | 19.7% | |
2010 | 149,778 | 21.6% | |
2020 | 184,525 | 23.2% | |
2021 (est.) | 186,562 | 24.6% | |
U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 2020-2021 |
2010 census
As of the 2010 census, there were 149,778 people, 63,899 households, and 35,215 families in the county. The population density was 84.9 inhabitants per square mile (32.8/km2). There were 67,938 housing units at an average density of 38.5 per square mile (14.9/km2). 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.
Population by decade

Communities
Cities
- Alice
- Amenia
- Argusville
- Arthur
- Ayr
- Briarwood
- Buffalo
- Casselton
- Davenport
- Enderlin
- Fargo (County seat)
- Frontier
- Gardner
- Grandin
- Harwood
- Horace
- Hunter
- Kindred
- Leonard
- Mapleton
- North River
- Oxbow
- Page
- Prairie Rose
- Reile’s Acres
- Tower City
- West Fargo
Townships
- Addison
- Amenia
- Arthur
- Ayr
- Barnes
- Bell
- Berlin
- Buffalo
- Casselton
- Clifton
- Cornell
- Davenport
- Dows
- Durbin
- Eldred
- Empire
- Erie
- Everest
- Fargo
- Gardner
- Gill
- Gunkel
- Harmony
- Harwood
- Highland
- Hill
- Howes
- Hunter
- Kinyon
- Lake
- Leonard
- Maple River
- Mapleton
- Noble
- Normanna
- Page
- Pleasant
- Pontiac
- Raymond
- Reed
- Rich
- Rochester
- Rush River
- Stanley
- Tower
- Walburg
- Warren
- Watson
- Wheatland
- Wiser
Census-designated places
Other communities
See also
In Spanish: Condado de Cass (Dakota del Norte) para niños