The territory of Grant County was part of Morton County until 1916. On November 7 the county voters determined that the SW portion of the county would be partitioned off to form a new county, to be named after Ulysses S. Grant, the US President from 1869 to 1877. Accordingly, the county government was organized on November 28, with Carson as the seat. The county's boundaries have remained unchanged since its creation.[3][4][5]
Outline map of Grant County, North Dakota, 1918
Geography
Heart Butte is a prominent geographic feature in Grant County, and the namesake for the nearby Heart Butte Dam.
The Heart River flows eastward through the upper part of Grant County, and Cedar Creek flows east-northeastward along the county's southern boundary line. The county terrain consists of isolated hills among rolling hills, carved by drainages. The semi-arid ground is partially devoted to agriculture.[6] The terrain slopes to the east and south; its highest point is a rise near its southwestern corner, at 2,680 ft (820 m) ASL.[7] The county has a total area of 1,666 square miles (4,310 km2), of which 1,659 square miles (4,300 km2) is land and 6.8 square miles (18 km2) (0.4%) is water.[8]Lake Tschida, a Bureau of Reclamationreservoir and recreation area on the Heart River, is the county's largest body of water.[9]
The southwestern corner of North Dakota observes Mountain Time (Adams, Billings, Bowman, Golden Valley, Grant, Hettinger, Slope, and Stark counties). The counties of McKenzie, Dunn, and Sioux counties are split, with the western portions of each observing Mountain Time.
U.S. Decennial Census[11] 1790-1960[12] 1900-1990[13] 1990-2000[14] 2010-2020[1]
2020 census
As of the census of 2020, there were 2,301 people.
2010 census
As of the census of 2010, there were 2,394 people, 1,128 households, and 694 families in the county. The population density was 1.4 inhabitants per square mile (0.54/km2). There were 1,690 housing units at an average density of 1.02 units per square mile (0.39/km2). The racial makeup of the county was 97.2% white, 1.1% American Indian, 0.1% Asian, 0.2% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 0.3% of the population. In terms of ancestry, 66.6% were German, 14.0% were Norwegian, 12.5% were Russian, 5.9% were Irish, 5.5% were English, and 2.2% were American.
Of the 1,128 households, 19.6% had children under the age of 18 living with them, 54.7% were married couples living together, 3.9% had a female householder with no husband present, 38.5% were non-families, and 36.5% of all households were made up of individuals. The average household size was 2.10 and the average family size was 2.72. The median age was 51.7 years.
The median income for a household in the county was $39,500 and the median income for a family was $53,542. Males had a median income of $33,750 versus $27,303 for females. The per capita income for the county was $25,840. About 7.3% of families and 13.0% of the population were below the poverty line, including 18.1% of those under age 18 and 18.7% of those age 65 or over.
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