Roosevelt County Demographics

A map of Roosevelt County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Native American/Other	5,862	6,172	55.7%	57.2%
White	3,415	3,587	32.4%	33.2%
Multiracial	841	717	8.0%	6.6%
Hispanic	301	239	2.9%	2.2%
Asian	100	47	1.0%	0.4%
Black	7	32	0.1%	0.3%

Roosevelt County, Montana has an estimated population of 10,526, a slight decrease from the 10,794 recorded in the 2020 Census. The population is 55.7% Native American/Other, 32.4% White, 8.0% Multiracial, 2.9% Hispanic, 1.0% Asian, and 0.1% Black. This demographic dot map shows the population of Roosevelt County, with one dot drawn for each person counted by the Census, color-coded by race.

Roosevelt has become more racially diverse since the 2020 Census. It is considerably more diverse than Montana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Roosevelt County, that probability was 55.8% in 2020 and 57.7% in the most recent ACS estimates.

Roosevelt County is ranked the 21st most populous county in Montana, out of 56 counties. Roosevelt County was ranked the 20th most populous county in the 2020 Census.

Roosevelt County's White Population

3,415 residents of Roosevelt County, or 32.4% of the population, identify as White. The share of White residents in Roosevelt County is significantly lower than in Montana overall, where 83.6% of the population is White. Roosevelt County ranks 54th statewide in terms of White residents as a share of the population, out of 56 counties.

Since the 2020 Census, Roosevelt County's White population has declined by an estimated 4.8%. White residents' share of Roosevelt County's population has decreased from 33.2% to 32.4%.

Roosevelt County is less White than neighboring Sheridan County (88.2% White), Richland County (87.5% White), Daniels County (90.3% White), McCone County (92.1% White), and Dawson County (90.4% White).

Roosevelt County's Black Population

7 residents of Roosevelt County, or 0.1% of the population, identify as Black. The share of Black residents in Roosevelt County is comparable to the share in Montana overall, where 0.4% of the population is Black. Roosevelt County ranks 18th statewide in terms of Black residents as a share of the population, out of 56 counties.

Since the 2020 Census, Roosevelt County's Black population has declined by an estimated 78.1%. Black residents' share of Roosevelt County's population has remained roughly unchanged at 0.1%.

Roosevelt County is more Black than neighboring Sheridan County (0% Black), and McCone County (0% Black). Roosevelt County is less Black than neighboring Richland County (0.3% Black), Daniels County (0.3% Black), and Dawson County (0.2% Black).

Roosevelt County's Asian Population

100 residents of Roosevelt County, or 1.0% of the population, identify as Asian. The share of Asian residents in Roosevelt County is comparable to the share in Montana overall, where 0.8% of the population is Asian. Roosevelt County ranks 23rd statewide in terms of Asian residents as a share of the population, out of 56 counties.

Since the 2020 Census, Roosevelt County's Asian population has grown by an estimated 112.8%. Asian residents' share of Roosevelt County's population has increased from 0.4% to 1.0%.

Roosevelt County is more Asian than neighboring Sheridan County (0.7% Asian), Richland County (0.4% Asian), Daniels County (0.6% Asian), and Dawson County (0.2% Asian).

Roosevelt County's Hispanic Population

301 residents of Roosevelt County, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Roosevelt County is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. Roosevelt County ranks 45th statewide in terms of Hispanic residents as a share of the population, out of 56 counties.

Since the 2020 Census, Roosevelt County's Hispanic population has grown by an estimated 25.9%. Hispanic residents' share of Roosevelt County's population has increased from 2.2% to 2.9%.

Roosevelt County is more Hispanic than neighboring McCone County (0.2% Hispanic). Roosevelt County is less Hispanic than neighboring Sheridan County (4% Hispanic), Richland County (5.5% Hispanic), Daniels County (3.3% Hispanic), and Dawson County (3.6% Hispanic).

Roosevelt County's Native American/Other Population

5,862 residents of Roosevelt County, or 55.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Roosevelt County is significantly higher than in Montana overall, where 5.9% of the population is Native American/Other. Roosevelt County ranks 3rd statewide in terms of Native American/Other residents as a share of the population, out of 56 counties.

Since the 2020 Census, Roosevelt County's Native American/Other population has declined by an estimated 5.0%. Native American/Other residents' share of Roosevelt County's population has decreased from 57.2% to 55.7%.

Roosevelt County is more Native American/Other than neighboring Sheridan County (2.3% Native American/Other), Richland County (1.1% Native American/Other), Daniels County (2.7% Native American/Other), McCone County (2.5% Native American/Other), and Dawson County (2.1% Native American/Other).

Roosevelt County's Multiracial Population

841 residents of Roosevelt County, or 8.0% of the population, identify as Multiracial. The share of Multiracial residents in Roosevelt County is slightly higher than in Montana overall, where 4.7% of the population is Multiracial. Roosevelt County ranks 2nd statewide in terms of Multiracial residents as a share of the population, out of 56 counties.

Since the 2020 Census, Roosevelt County's Multiracial population has grown by an estimated 17.3%. Multiracial residents' share of Roosevelt County's population has increased from 6.6% to 8.0%.

Roosevelt County is more Multiracial than neighboring Sheridan County (4.9% Multiracial), Richland County (5.3% Multiracial), Daniels County (2.8% Multiracial), McCone County (4.1% Multiracial), and Dawson County (3.4% 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.