Cass County Demographics

A map of Cass County's Population by Race

Cass County, North Dakota had a population of 184,525 in 2020. It was 81.0% White, 6.9% Black, 3.3% Asian, 3.4% Hispanic, 1.6% Native American/Other, and 3.9% Multiracial. This map presents the population of Cass County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Cass County is the most populous county of the 53 counties in North Dakota.

Cass County's White Population

149,442 residents of Cass County identify as White, or 81.0%. This makes the White share of the population of Cass County roughly similar to the White share of the population of North Dakota (81.7% White). Of the 53 counties in North Dakota, Cass County is ranked #43 in terms of White residents as a share of the population.

Cass County is less White than neighboring Traill County (91.4% White), Ransom County (94% White), Steele County (95.7% White), Richland County (89% White), and Clay County (83.3% White).

Cass County's Black Population

12,761 residents of Cass County identify as Black, or 6.9%. This makes the Black share of the population of Cass County roughly similar to the Black share of the population of North Dakota (3.4% Black). Of the 53 counties in North Dakota, Cass County is ranked #1 in terms of Black residents as a share of the population.

Cass County is more Black than neighboring Traill County (0.6% Black), Ransom County (0.6% Black), Steele County (0.2% Black), Richland County (0.9% Black), and Clay County (4.8% Black).

Cass County's Asian Population

6,034 residents of Cass County identify as Asian, or 3.3%. This makes the Asian share of the population of Cass County roughly similar to the Asian share of the population of North Dakota (1.7% Asian). Of the 53 counties in North Dakota, Cass County is ranked #2 in terms of Asian residents as a share of the population.

Cass County is more Asian than neighboring Traill County (0.2% Asian), Ransom County (0.4% Asian), Steele County (0% Asian), Richland County (0.7% Asian), and Clay County (1.2% Asian).

Cass County's Hispanic Population

6,182 residents of Cass County identify as Hispanic, or 3.4%. This makes the Hispanic share of the population of Cass County roughly similar to the Hispanic share of the population of North Dakota (4.3% Hispanic). Of the 53 counties in North Dakota, Cass County is ranked #14 in terms of Hispanic residents as a share of the population.

Cass County is more Hispanic than neighboring Ransom County (2.3% Hispanic), and Steele County (2% Hispanic). Cass County is less Hispanic than neighboring Traill County (3.7% Hispanic), Richland County (3.5% Hispanic), and Clay County (4.6% Hispanic).

Cass County's Native American/Other Population

2,905 residents of Cass County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.6%. This makes the Native American/Other share of the population of Cass County roughly similar to the Native American/Other share of the population of North Dakota (5.1% Native American/Other). Of the 53 counties in North Dakota, Cass County is ranked #24 in terms of Native American/Other residents as a share of the population.

Cass County is more Native American/Other than neighboring Traill County (0.9% Native American/Other), Ransom County (0.5% Native American/Other), and Steele County (0.4% Native American/Other). Cass County is less Native American/Other than neighboring Richland County (2.9% Native American/Other), and Clay County (1.8% Native American/Other).

Cass County's Multiracial Population

7,201 residents of Cass County identify as Multiracial, or 3.9%. This makes the Multiracial share of the population of Cass County roughly similar to the Multiracial share of the population of North Dakota (3.9% Multiracial). Of the 53 counties in North Dakota, Cass County is ranked #12 in terms of Multiracial residents as a share of the population.

Cass County is more Multiracial than neighboring Traill County (3.1% Multiracial), Ransom County (2.2% Multiracial), Steele County (1.7% Multiracial), and Richland County (3% Multiracial). Cass County is less Multiracial than neighboring Clay County (4.3% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.