Hamilton, MT Demographics

A map of Hamilton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,746	4,068	93.0%	87.3%
Multiracial	148	202	2.9%	4.3%
Native American/Other	118	79	2.3%	1.7%
Hispanic	89	212	1.7%	4.6%
Black	0	32	0.0%	0.7%
Asian	0	66	0.0%	1.4%

Hamilton, Montana has an estimated population of 5,101, an increase from the 4,659 recorded in the 2020 Census. The population is 93.0% White, 2.9% Multiracial, 2.3% Native American/Other, 1.7% Hispanic, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Hamilton, with one dot drawn for each person counted by the Census, color-coded by race.

Hamilton has become considerably 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 Hamilton, that probability was 23.3% in 2020 and 13.3% in the most recent ACS estimates.

Hamilton is ranked the 27th 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). Hamilton was ranked the 28th most populous place in the 2020 Census.

Hamilton's White Population

4,746 residents of Hamilton, or 93.0% of the population, identify as White. The share of White residents in Hamilton is higher than in Montana overall, where 83.6% of the population is White. Hamilton ranks 299th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Hamilton's White population has grown by an estimated 16.7%. White residents' share of Hamilton's population has increased from 87.3% to 93.0%.

Hamilton is more White than neighboring Pinesdale (86.4% White), Charlos Heights (36.2% White), Victor (65.3% White), and Darby (88.2% White). Hamilton is less White than neighboring Corvallis (93.5% White).

Hamilton's Black Population

0 residents of Hamilton, or 0.0% of the population, identify as Black. The share of Black residents in Hamilton is comparable to the share in Montana overall, where 0.4% of the population is Black. Hamilton ranks 50th statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Hamilton's Black population has declined by an estimated 100.0%. Black residents' share of Hamilton's population has decreased from 0.7% to 0.0%.

Hamilton is less Black than neighboring Darby (0.2% Black).

Hamilton's Asian Population

0 residents of Hamilton, or 0.0% of the population, identify as Asian. The share of Asian residents in Hamilton is comparable to the share in Montana overall, where 0.8% of the population is Asian. Hamilton ranks 28th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Hamilton's Asian population has declined by an estimated 100.0%. Asian residents' share of Hamilton's population has decreased from 1.4% to 0.0%.

Hamilton's Hispanic Population

89 residents of Hamilton, or 1.7% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Hamilton ranks 107th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Hamilton's Hispanic population has declined by an estimated 58.0%. Hispanic residents' share of Hamilton's population has decreased from 4.6% to 1.7%.

Hamilton is more Hispanic than neighboring Charlos Heights (0% Hispanic), and Darby (1.3% Hispanic). Hamilton is less Hispanic than neighboring Corvallis (3.3% Hispanic), Pinesdale (7.3% Hispanic), and Victor (7.3% Hispanic).

Hamilton's Native American/Other Population

118 residents of Hamilton, or 2.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hamilton is slightly lower than in Montana overall, where 5.9% of the population is Native American/Other. Hamilton ranks 243rd statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Hamilton's Native American/Other population has grown by an estimated 49.4%. Native American/Other residents' share of Hamilton's population has increased from 1.7% to 2.3%.

Hamilton is more Native American/Other than neighboring Corvallis (1.3% Native American/Other), Victor (0% Native American/Other), and Darby (0.2% Native American/Other). Hamilton is less Native American/Other than neighboring Pinesdale (2.8% Native American/Other), and Charlos Heights (11.7% Native American/Other).

Hamilton's Multiracial Population

148 residents of Hamilton, or 2.9% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Hamilton ranks 253rd statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Hamilton's Multiracial population has declined by an estimated 26.7%. Multiracial residents' share of Hamilton's population has decreased from 4.3% to 2.9%.

Hamilton is more Multiracial than neighboring Corvallis (2% Multiracial). Hamilton is less Multiracial than neighboring Pinesdale (3.5% Multiracial), Charlos Heights (52.1% Multiracial), Victor (27.5% Multiracial), and Darby (10.1% 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.