Darby, MT Demographics

A map of Darby's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	465	672	88.2%	85.8%
Multiracial	53	49	10.1%	6.3%
Hispanic	7	17	1.3%	2.2%
Black	1	0	0.2%	0.0%
Native American/Other	1	45	0.2%	5.7%
Asian	0	0	0.0%	0.0%

Darby, Montana has an estimated population of 527, a dramatic decrease from the 783 recorded in the 2020 Census. The population is 88.2% White, 10.1% Multiracial, 1.3% Hispanic, 0.2% Black, 0.2% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Darby, with one dot drawn for each person counted by the Census, color-coded by race.

Darby 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 Darby, that probability was 25.6% in 2020 and 21.1% in the most recent ACS estimates.

Darby is ranked the 152nd most populous place in Montana, out of 497 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Darby was ranked the 114th most populous place in the 2020 Census.

Darby's White Population

465 residents of Darby, or 88.2% of the population, identify as White. The share of White residents in Darby is slightly higher than in Montana overall, where 83.6% of the population is White. Darby ranks 335th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Darby's White population has declined by an estimated 30.8%. White residents' share of Darby's population has increased from 85.8% to 88.2%.

Darby is more White than neighboring Charlos Heights (36.2% White). Darby is less White than neighboring Conner (96.6% White), Hamilton (93% White), Sula (100% White), and Corvallis (93.5% White).

Darby's Black Population

1 residents of Darby, or 0.2% of the population, identify as Black. The share of Black residents in Darby is comparable to the share in Montana overall, where 0.4% of the population is Black. Darby ranks 179th statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Darby's Black population has grown from 0 to an estimated 1. Black residents' share of Darby's population has remained roughly unchanged at 0.2%.

Darby is more Black than neighboring Conner (0% Black), Charlos Heights (0% Black), Hamilton (0% Black), Sula (0% Black), and Corvallis (0% Black).

Darby's Asian Population

0 residents of Darby, or 0.0% of the population, identify as Asian. The share of Asian residents in Darby is comparable to the share in Montana overall, where 0.8% of the population is Asian. Darby ranks 215th statewide in terms of Asian residents as a share of the population, out of 497 places.

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

Darby's Hispanic Population

7 residents of Darby, or 1.3% of the population, identify as Hispanic. The share of Hispanic residents in Darby is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Darby ranks 294th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Darby's Hispanic population has declined by an estimated 58.8%. Hispanic residents' share of Darby's population has decreased from 2.2% to 1.3%.

Darby is more Hispanic than neighboring Charlos Heights (0% Hispanic), and Sula (0% Hispanic). Darby is less Hispanic than neighboring Conner (3.4% Hispanic), Hamilton (1.7% Hispanic), and Corvallis (3.3% Hispanic).

Darby's Native American/Other Population

1 residents of Darby, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Darby is lower than in Montana overall, where 5.9% of the population is Native American/Other. Darby ranks 103rd statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Darby's Native American/Other population has declined by an estimated 97.8%. Native American/Other residents' share of Darby's population has decreased from 5.7% to 0.2%.

Darby is more Native American/Other than neighboring Conner (0% Native American/Other), and Sula (0% Native American/Other). Darby is less Native American/Other than neighboring Charlos Heights (11.7% Native American/Other), Hamilton (2.3% Native American/Other), and Corvallis (1.3% Native American/Other).

Darby's Multiracial Population

53 residents of Darby, or 10.1% of the population, identify as Multiracial. The share of Multiracial residents in Darby is higher than in Montana overall, where 4.7% of the population is Multiracial. Darby ranks 121st statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Darby's Multiracial population has grown by an estimated 8.2%. Multiracial residents' share of Darby's population has increased from 6.3% to 10.1%.

Darby is more Multiracial than neighboring Conner (0% Multiracial), Hamilton (2.9% Multiracial), Sula (0% Multiracial), and Corvallis (2% Multiracial). Darby is less Multiracial than neighboring Charlos Heights (52.1% 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.