Broadwater County Demographics

A map of Broadwater County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,818	6,149	88.9%	90.8%
Multiracial	511	335	6.7%	4.9%
Hispanic	217	200	2.8%	3.0%
Native American/Other	90	68	1.2%	1.0%
Black	17	17	0.2%	0.3%
Asian	15	5	0.2%	0.1%

Broadwater County, Montana has an estimated population of 7,668, a large increase from the 6,774 recorded in the 2020 Census. The population is 88.9% White, 6.7% Multiracial, 2.8% Hispanic, 1.2% Native American/Other, 0.2% Black, and 0.2% Asian. This demographic dot map shows the population of Broadwater County, with one dot drawn for each person counted by the Census, color-coded by race.

Broadwater has become more 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 Broadwater County, that probability was 17.3% in 2020 and 20.4% in the most recent ACS estimates.

Broadwater County is ranked the 28th most populous county in Montana, out of 56 counties. Broadwater County was ranked the 31st most populous county in the 2020 Census.

Broadwater County's White Population

6,818 residents of Broadwater County, or 88.9% of the population, identify as White. The share of White residents in Broadwater County is higher than in Montana overall, where 83.6% of the population is White. Broadwater County ranks 16th statewide in terms of White residents as a share of the population, out of 56 counties.

Since the 2020 Census, Broadwater County's White population has grown by an estimated 10.9%. White residents' share of Broadwater County's population has decreased from 90.8% to 88.9%.

Broadwater County is more White than neighboring Gallatin County (87.5% White), and Cascade County (82.4% White). Broadwater County is less White than neighboring Jefferson County (90.6% White), Meagher County (94% White), and Madison County (90.4% White).

Broadwater County's Black Population

17 residents of Broadwater County, or 0.2% of the population, identify as Black. The share of Black residents in Broadwater County is comparable to the share in Montana overall, where 0.4% of the population is Black. Broadwater County ranks 23rd statewide in terms of Black residents as a share of the population, out of 56 counties.

Since the 2020 Census, Broadwater County's Black population has remained roughly the same. Black residents' share of Broadwater County's population has remained roughly unchanged at 0.2%.

Broadwater County is more Black than neighboring Jefferson County (0% Black), and Madison County (0% Black). Broadwater County is less Black than neighboring Meagher County (0.7% Black), Gallatin County (0.4% Black), and Cascade County (1.3% Black).

Broadwater County's Asian Population

15 residents of Broadwater County, or 0.2% of the population, identify as Asian. The share of Asian residents in Broadwater County is comparable to the share in Montana overall, where 0.8% of the population is Asian. Broadwater County ranks 52nd statewide in terms of Asian residents as a share of the population, out of 56 counties.

Since the 2020 Census, Broadwater County's Asian population has grown by an estimated 200.0%. Asian residents' share of Broadwater County's population has remained roughly unchanged at 0.2%.

Broadwater County is more Asian than neighboring Meagher County (0% Asian). Broadwater County is less Asian than neighboring Jefferson County (0.4% Asian), Gallatin County (1.2% Asian), Cascade County (1% Asian), and Madison County (0.5% Asian).

Broadwater County's Hispanic Population

217 residents of Broadwater County, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Broadwater County is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. Broadwater County ranks 26th statewide in terms of Hispanic residents as a share of the population, out of 56 counties.

Since the 2020 Census, Broadwater County's Hispanic population has grown by an estimated 8.5%. Hispanic residents' share of Broadwater County's population has remained roughly unchanged at 2.8%.

Broadwater County is less Hispanic than neighboring Jefferson County (3% Hispanic), Meagher County (3.2% Hispanic), Gallatin County (5.4% Hispanic), Cascade County (5.3% Hispanic), and Madison County (3.7% Hispanic).

Broadwater County's Native American/Other Population

90 residents of Broadwater County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Broadwater County is slightly lower than in Montana overall, where 5.9% of the population is Native American/Other. Broadwater County ranks 46th statewide in terms of Native American/Other residents as a share of the population, out of 56 counties.

Since the 2020 Census, Broadwater County's Native American/Other population has grown by an estimated 32.4%. Native American/Other residents' share of Broadwater County's population has remained roughly unchanged at 1.2%.

Broadwater County is less Native American/Other than neighboring Jefferson County (1.7% Native American/Other), Meagher County (1.4% Native American/Other), Gallatin County (1.4% Native American/Other), Cascade County (4.1% Native American/Other), and Madison County (2% Native American/Other).

Broadwater County's Multiracial Population

511 residents of Broadwater County, or 6.7% of the population, identify as Multiracial. The share of Multiracial residents in Broadwater County is comparable to the share in Montana overall, where 4.7% of the population is Multiracial. Broadwater County ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 56 counties.

Since the 2020 Census, Broadwater County's Multiracial population has grown by an estimated 52.5%. Multiracial residents' share of Broadwater County's population has increased from 4.9% to 6.7%.

Broadwater County is more Multiracial than neighboring Jefferson County (4.4% Multiracial), Meagher County (0.5% Multiracial), Gallatin County (4% Multiracial), Cascade County (6% Multiracial), and Madison County (3.5% 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.