Valley County Demographics

A map of Valley County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,330	6,353	84.2%	83.8%
Native American/Other	648	703	8.6%	9.3%
Multiracial	315	314	4.2%	4.1%
Hispanic	194	174	2.6%	2.3%
Black	30	15	0.4%	0.2%
Asian	2	19	0.0%	0.3%

Valley County, Montana has an estimated population of 7,519, a less than 1% change from the 7,578 recorded in the 2020 Census. The population is 84.2% White, 8.6% Native American/Other, 4.2% Multiracial, 2.6% Hispanic, 0.4% Black, and 0.0% Asian. This demographic dot map shows the population of Valley County, with one dot drawn for each person counted by the Census, color-coded by race.

Valley is about as racially diverse as it was in the 2020 Census. It is less 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 Valley County, that probability was 28.6% in 2020 and 28.1% in the most recent ACS estimates.

Valley County is ranked the 29th most populous county in Montana, out of 56 counties. Valley County was ranked the 28th most populous county in the 2020 Census.

Valley County's White Population

6,330 residents of Valley County, or 84.2% of the population, identify as White. The share of White residents in Valley County is comparable to the share in Montana overall, where 83.6% of the population is White. Valley County ranks 44th statewide in terms of White residents as a share of the population, out of 56 counties.

Since the 2020 Census, Valley County's White population has remained roughly the same. White residents' share of Valley County's population has remained roughly unchanged at 84.2%.

Valley County is more White than neighboring Phillips County (81% White), and Roosevelt County (32.4% White). Valley County is less White than neighboring McCone County (92.1% White), Garfield County (96.7% White), and Daniels County (90.3% White).

Valley County's Black Population

30 residents of Valley County, or 0.4% of the population, identify as Black. The share of Black residents in Valley County is comparable to the share in Montana overall, where 0.4% of the population is Black. Valley County ranks 31st statewide in terms of Black residents as a share of the population, out of 56 counties.

Since the 2020 Census, Valley County's Black population has grown by an estimated 100.0%. Black residents' share of Valley County's population has remained roughly unchanged at 0.4%.

Valley County is more Black than neighboring McCone County (0% Black), Garfield County (0% Black), Daniels County (0.3% Black), Phillips County (0.2% Black), and Roosevelt County (0.1% Black).

Valley County's Asian Population

2 residents of Valley County, or 0.0% of the population, identify as Asian. The share of Asian residents in Valley County is comparable to the share in Montana overall, where 0.8% of the population is Asian. Valley County ranks 40th statewide in terms of Asian residents as a share of the population, out of 56 counties.

Since the 2020 Census, Valley County's Asian population has declined by an estimated 89.5%. Asian residents' share of Valley County's population has remained roughly unchanged at 0.0%.

Valley County is less Asian than neighboring McCone County (1% Asian), Daniels County (0.6% Asian), Phillips County (0.8% Asian), and Roosevelt County (1% Asian).

Valley County's Hispanic Population

194 residents of Valley County, or 2.6% of the population, identify as Hispanic. The share of Hispanic residents in Valley County is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. Valley County ranks 43rd statewide in terms of Hispanic residents as a share of the population, out of 56 counties.

Since the 2020 Census, Valley County's Hispanic population has grown by an estimated 11.5%. Hispanic residents' share of Valley County's population has remained roughly unchanged at 2.6%.

Valley County is more Hispanic than neighboring McCone County (0.2% Hispanic), Garfield County (0% Hispanic), and Phillips County (1.1% Hispanic). Valley County is less Hispanic than neighboring Daniels County (3.3% Hispanic), and Roosevelt County (2.9% Hispanic).

Valley County's Native American/Other Population

648 residents of Valley County, or 8.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Valley County is slightly higher than in Montana overall, where 5.9% of the population is Native American/Other. Valley County ranks 10th statewide in terms of Native American/Other residents as a share of the population, out of 56 counties.

Since the 2020 Census, Valley County's Native American/Other population has declined by an estimated 7.8%. Native American/Other residents' share of Valley County's population has decreased from 9.3% to 8.6%.

Valley County is more Native American/Other than neighboring McCone County (2.5% Native American/Other), Garfield County (1.1% Native American/Other), Daniels County (2.7% Native American/Other), and Phillips County (8.1% Native American/Other). Valley County is less Native American/Other than neighboring Roosevelt County (55.7% Native American/Other).

Valley County's Multiracial Population

315 residents of Valley County, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Valley County is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Valley County ranks 31st statewide in terms of Multiracial residents as a share of the population, out of 56 counties.

Since the 2020 Census, Valley County's Multiracial population has remained roughly the same. Multiracial residents' share of Valley County's population has remained roughly unchanged at 4.2%.

Valley County is more Multiracial than neighboring McCone County (4.1% Multiracial), Garfield County (2.2% Multiracial), and Daniels County (2.8% Multiracial). Valley County is less Multiracial than neighboring Phillips County (8.7% Multiracial), and Roosevelt County (8% 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.