Garfield County Demographics

A map of Garfield County's Population by Race

Garfield County, Montana has an estimated population of 1,094, a decrease from the 1,173 recorded in the 2020 Census. The population is 96.7% White, 2.2% Multiracial, 1.1% Native American/Other, 0.0% Black, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Garfield County, with one dot drawn for each person counted by the Census, color-coded by race.

Garfield has become less racially diverse since the 2020 Census. It is considerably 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 Garfield County, that probability was 8.0% in 2020 and 6.4% in the most recent ACS estimates.

Garfield County is ranked the 53rd most populous county in Montana, out of 56 counties. Garfield County was ranked the 51st most populous county in the 2020 Census.

Garfield County's White Population

1,058 residents of Garfield County, or 96.7% of the population, identify as White. The share of White residents in Garfield County is considerably higher than in Montana overall, where 83.6% of the population is White. Garfield County ranks 1st statewide in terms of White residents as a share of the population, out of 56 counties.

Since the 2020 Census, Garfield County's White population has declined by an estimated 6.0%. White residents' share of Garfield County's population has increased from 95.9% to 96.7%.

Garfield County is more White than neighboring Rosebud County (51.4% White), Treasure County (93% White), Valley County (84.2% White), and McCone County (92.1% White). Garfield County is less White than neighboring Petroleum County (98.9% White).

Garfield County's Black Population

0 residents of Garfield County, or 0.0% of the population, identify as Black. The share of Black residents in Garfield County is comparable to the share in Montana overall, where 0.4% of the population is Black. Garfield County ranks 52nd statewide in terms of Black residents as a share of the population, out of 56 counties.

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

Garfield County is less Black than neighboring Rosebud County (0.1% Black), and Valley County (0.4% Black).

Garfield County's Asian Population

0 residents of Garfield County, or 0.0% of the population, identify as Asian. The share of Asian residents in Garfield County is comparable to the share in Montana overall, where 0.8% of the population is Asian. Garfield County ranks 47th statewide in terms of Asian residents as a share of the population, out of 56 counties.

Since the 2020 Census, Garfield County's Asian population has declined by an estimated 100.0%. Asian residents' share of Garfield County's population has remained roughly unchanged at 0.0%.

Garfield County is less Asian than neighboring Rosebud County (2% Asian), Treasure County (1% Asian), McCone County (1% Asian), and Petroleum County (0.7% Asian).

Garfield County's Hispanic Population

0 residents of Garfield County, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Garfield County is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Garfield County ranks 53rd statewide in terms of Hispanic residents as a share of the population, out of 56 counties.

Since the 2020 Census, Garfield County's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Garfield County's population has decreased from 1.2% to 0.0%.

Garfield County is less Hispanic than neighboring Rosebud County (3.7% Hispanic), Treasure County (5.2% Hispanic), Valley County (2.6% Hispanic), and McCone County (0.2% Hispanic).

Garfield County's Native American/Other Population

12 residents of Garfield County, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Garfield County is slightly lower than in Montana overall, where 5.9% of the population is Native American/Other. Garfield County ranks 51st statewide in terms of Native American/Other residents as a share of the population, out of 56 counties.

Since the 2020 Census, Garfield County's Native American/Other population has grown by an estimated 20.0%. Native American/Other residents' share of Garfield County's population has remained roughly unchanged at 1.1%.

Garfield County is more Native American/Other than neighboring Treasure County (0.1% Native American/Other), and Petroleum County (0.4% Native American/Other). Garfield County is less Native American/Other than neighboring Rosebud County (38% Native American/Other), Valley County (8.6% Native American/Other), and McCone County (2.5% Native American/Other).

Garfield County's Multiracial Population

24 residents of Garfield County, or 2.2% of the population, identify as Multiracial. The share of Multiracial residents in Garfield County is slightly lower than in Montana overall, where 4.7% of the population is Multiracial. Garfield County ranks 56th statewide in terms of Multiracial residents as a share of the population, out of 56 counties.

Since the 2020 Census, Garfield County's Multiracial population has grown by an estimated 9.1%. Multiracial residents' share of Garfield County's population has remained roughly unchanged at 2.2%.

Garfield County is more Multiracial than neighboring Treasure County (0.7% Multiracial), and Petroleum County (0% Multiracial). Garfield County is less Multiracial than neighboring Rosebud County (4.8% Multiracial), Valley County (4.2% Multiracial), and McCone County (4.1% 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.