Slope County Demographics

A map of Slope County's Population by Race

Slope County, North Dakota has an estimated population of 766, an increase from the 706 recorded in the 2020 Census. The population is 92.4% White, 6.7% Multiracial, 0.8% Native American/Other, 0.1% Hispanic, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Slope County, with one dot drawn for each person counted by the Census, color-coded by race.

Slope has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than North Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Slope County, that probability was 7.4% in 2020 and 14.1% in the most recent ACS estimates.

Slope County is ranked the 53rd most populous county in North Dakota, out of 53 counties. Slope County was ranked the 53rd most populous county in the 2020 Census.

Slope County's White Population

708 residents of Slope County, or 92.4% of the population, identify as White. The share of White residents in Slope County is considerably higher than in North Dakota overall, where 81.7% of the population is White. Slope County ranks 1st statewide in terms of White residents as a share of the population, out of 53 counties.

Since the 2020 Census, Slope County's White population has grown by an estimated 4.3%. White residents' share of Slope County's population has decreased from 96.2% to 92.4%.

Slope County is more White than neighboring Bowman County (91.6% White), Billings County (92.2% White), Golden Valley County (90.7% White), Harding County (91.2% White), and Stark County (84.6% White).

Slope County's Black Population

0 residents of Slope County, or 0.0% of the population, identify as Black. The share of Black residents in Slope County is slightly lower than in North Dakota overall, where 3.3% of the population is Black. Slope County ranks 51st statewide in terms of Black residents as a share of the population, out of 53 counties.

Since the 2020 Census, Slope County's Black population has grown from 0 to an estimated 0. Black residents' share of Slope County's population has remained roughly unchanged at 0.0%.

Slope County is less Black than neighboring Golden Valley County (0.2% Black), Harding County (1.5% Black), and Stark County (2.4% Black).

Slope County's Asian Population

0 residents of Slope County, or 0.0% of the population, identify as Asian. The share of Asian residents in Slope County is comparable to the share in North Dakota overall, where 1.6% of the population is Asian. Slope County ranks 49th statewide in terms of Asian residents as a share of the population, out of 53 counties.

Since the 2020 Census, Slope County's Asian population has grown from 0 to an estimated 0. Asian residents' share of Slope County's population has remained roughly unchanged at 0.0%.

Slope County is less Asian than neighboring Golden Valley County (0.2% Asian), and Stark County (1.1% Asian).

Slope County's Hispanic Population

1 residents of Slope County, or 0.1% of the population, identify as Hispanic. The share of Hispanic residents in Slope County is slightly lower than in North Dakota overall, where 4.7% of the population is Hispanic. Slope County ranks 47th statewide in terms of Hispanic residents as a share of the population, out of 53 counties.

Since the 2020 Census, Slope County's Hispanic population has declined by an estimated 87.5%. Hispanic residents' share of Slope County's population has decreased from 1.1% to 0.1%.

Slope County is less Hispanic than neighboring Bowman County (2.7% Hispanic), Billings County (3.9% Hispanic), Golden Valley County (0.6% Hispanic), Harding County (1.4% Hispanic), and Stark County (7.3% Hispanic).

Slope County's Native American/Other Population

6 residents of Slope County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Slope County is slightly lower than in North Dakota overall, where 4.7% of the population is Native American/Other. Slope County ranks 52nd statewide in terms of Native American/Other residents as a share of the population, out of 53 counties.

Since the 2020 Census, Slope County's Native American/Other population has grown by an estimated 200.0%. Native American/Other residents' share of Slope County's population has increased from 0.3% to 0.8%.

Slope County is less Native American/Other than neighboring Bowman County (1.7% Native American/Other), Billings County (3.9% Native American/Other), Golden Valley County (1.3% Native American/Other), Harding County (1.9% Native American/Other), and Stark County (1.5% Native American/Other).

Slope County's Multiracial Population

51 residents of Slope County, or 6.7% of the population, identify as Multiracial. The share of Multiracial residents in Slope County is slightly higher than in North Dakota overall, where 4% of the population is Multiracial. Slope County ranks 39th statewide in terms of Multiracial residents as a share of the population, out of 53 counties.

Since the 2020 Census, Slope County's Multiracial population has grown by an estimated 200.0%. Multiracial residents' share of Slope County's population has increased from 2.4% to 6.7%.

Slope County is more Multiracial than neighboring Bowman County (4% Multiracial), Billings County (0% Multiracial), Harding County (4% Multiracial), and Stark County (3.1% Multiracial). Slope County is less Multiracial than neighboring Golden Valley County (7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.