Arthur is a city in Cass County, North Dakota, United States. The population was 328 as of the 2020 census, and was estimated at 328 in 2025.
History Arthur was founded in 1881, the town was called Rosedale after the sister of a prominent settler, but was renamed Arthur in honor of Chester A. Arthur.
The post office was established on October 1, 1881, and the town was platted in 1882 by Samuel B. Johnson. Arthur was incorporated as a village on June 15, 1921 and as a city on July 1, 1967.
Geography According to the United States Census Bureau, the city has a total area of , all land.
It is surrounded by Arthur Township.
Demographics
As of the 2024 American Community Survey, there were 158 estimated households in Arthur with an average of 2.32 persons per household. The city has a median household income of $88,393. Approximately 1.6% of the city's population lives at or below the poverty line. Arthur has an estimated 62.0% employment rate, with 33.7% of the population holding a bachelor's degree or higher and 92.2% holding a high school diploma. There were 165 housing units at an average density of .
The top five reported languages (people were allowed to report up to two languages, thus the figures will generally add to more than 100%) were English (97.8%), Spanish (0.6%), Indo-European (1.7%), Asian and Pacific Islander (0.0%), and Other (0.0%).
The median age in the city was 42.9 years.
+Arthur, North Dakota – racial and ethnic composition Race / ethnicity (NH = non-Hispanic) Pop. 2000 Pop. 2010 % 2000 % 2010 White alone (NH) 369 330315 91.79% 97.92%96.04% Black or African American alone (NH) 0 02 0.00% 0.00%0.61% Native American or Alaska Native alone (NH) 9 04 2.24% 0.00%1.22% Asian alone (NH) 0 01 0.00% 0.00%0.30% Pacific Islander alone (NH) 0 00 0.00% 0.00%0.00% Other race alone (NH) 0 01 0.00% 0.00%0.30% Mixed race or multiracial (NH) 3 53 0.75% 1.48%0.91% Hispanic or Latino (any race) 21 22 5.22% 0.59%0.61%Total402337328100.00%100.00%100.00%
2020 census As of the 2020 census, there were 328 people, 135 households, and 93 families residing in the city. The population density was . There were 146 housing units at an average density of . The racial makeup of the city was 96.04% White, 0.61% African American, 1.22% Native American, 0.30% Asian, 0.00% Pacific Islander, 0.30% from some other races and 1.52% from two or more races. Hispanic or Latino people of any race were 0.61% of the population.
2010 census As of the 2010 census, there were 337 people, 130 households, and 82 families residing in the city. The population density was . There were 144 housing units at an average density of . The racial makeup of the city was 98.52% White, 0.00% African American, 0.00% Native American, 0.00% Asian, 0.00% Pacific Islander, 0.00% from some other races and 1.48% from two or more races. Hispanic or Latino people of any race were 0.59% of the population.
There were 130 households, of which 33.1% had children under the age of 18 living with them, 50.0% were married couples living together, 10.0% had a female householder with no husband present, 3.1% had a male householder with no wife present, and 36.9% were non-families. 34.6% of all households were made up of individuals, and 18.5% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 3.04.
The median age in the city was 43.6 years. 25.5% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 19% were from 25 to 44; 22.3% were from 45 to 64; and 26.4% were 65 years of age or older. The gender makeup of the city was 46.3% male and 53.7% female.
2000 census As of the 2000 census, there were 402 people, 129 households, and 82 families residing in the city. The population density was . There were 140 housing units at an average density of . The racial makeup of the city was 94.53% White, 0.00% African American, 2.24% Native American, 0.00% Asian, 0.00% Pacific Islander, 1.24% from some other races and 1.99% from two or more races. Hispanic or Latino people of any race were 5.22% of the population.
The top six ancestry groups in the city are German (49.3%), Norwegian (32.8%), Swedish (13.9%), Irish (10.7%), English (8.7%), French (6.0%).
There were 129 households, out of which 38.8% had children under the age of 18 living with them, 56.6% were married couples living together, 6.2% had a female householder with no husband present, and 35.7% were non-families. 32.6% of all households were made up of individuals, and 17.8% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.30.
In the city, the population was spread out, with 28.9% under the age of 18, 2.5% from 18 to 24, 23.6% from 25 to 44, 15.9% from 45 to 64, and 29.1% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 85.3 males. For every 100 females age 18 and over, there were 83.3 males.
The median income for a household in the city was $36,250, and the median income for a family was $41,875. Males had a median income of $28,750 versus $19,583 for females. The per capita income for the city was $13,948. About 7.9% of families and 9.1% of the population were below the poverty line, including 15.9% of those under age 18 and 11.7% of those age 65 or over.
Education The Northern Cass Public School District 97 was organized in 1996. Northern Cass High School (9-12) in Hunter Northern Cass Middle School (6-8) in Hunter Northern Cass Elementary School (PK-5) in Hunter
The area is served by the Northern Cass Public School District 97. It operates the Hunter School. In the 2025-26 academic year, the district reported a total of 739 students.
Notable person Doug Burgum (born 1956) – 33rd Governor of North Dakota and 55th United States Secretary of the Interior
References