Klein, MT Demographics

A map of Klein's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	311	142	91.5%	87.1%
Multiracial	29	12	8.5%	7.4%
Black	0	0	0.0%	0.0%
Asian	0	1	0.0%	0.6%
Hispanic	0	6	0.0%	3.7%
Native American/Other	0	2	0.0%	1.2%

Klein, Montana has an estimated population of 340, a dramatic increase from the 163 recorded in the 2020 Census. The population is 91.5% White, 8.5% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Klein, with one dot drawn for each person counted by the Census, color-coded by race.

Klein 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 Klein, that probability was 23.4% in 2020 and 15.6% in the most recent ACS estimates.

Klein is ranked the 185th 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). Klein was ranked the 273rd most populous place in the 2020 Census.

Klein's White Population

311 residents of Klein, or 91.5% of the population, identify as White. The share of White residents in Klein is higher than in Montana overall, where 83.6% of the population is White. Klein ranks 303rd statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Klein's White population has grown by an estimated 119.0%. White residents' share of Klein's population has increased from 87.1% to 91.5%.

Klein is more White than neighboring Roundup (87.7% White), Kilby Butte Colony (0% White), Flat Willow Colony (0% White), and Mountain View Colony (50.9% White). Klein is less White than neighboring Camp Three (92.8% White).

Klein's Black Population

0 residents of Klein, or 0.0% of the population, identify as Black. The share of Black residents in Klein is comparable to the share in Montana overall, where 0.4% of the population is Black. Klein ranks 179th statewide in terms of Black residents as a share of the population, out of 497 places.

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

Klein's Asian Population

0 residents of Klein, or 0.0% of the population, identify as Asian. The share of Asian residents in Klein is comparable to the share in Montana overall, where 0.8% of the population is Asian. Klein ranks 99th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Klein's Asian population has declined by an estimated 100.0%. Asian residents' share of Klein's population has decreased from 0.6% to 0.0%.

Klein's Hispanic Population

0 residents of Klein, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Klein is slightly lower than in Montana overall, where 4.6% of the population is Hispanic. Klein ranks 165th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Klein's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Klein's population has decreased from 3.7% to 0.0%.

Klein is less Hispanic than neighboring Roundup (7.2% Hispanic), Kilby Butte Colony (50% Hispanic), and Mountain View Colony (49.1% Hispanic).

Klein's Native American/Other Population

0 residents of Klein, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Klein is lower than in Montana overall, where 5.9% of the population is Native American/Other. Klein ranks 289th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Klein's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Klein's population has decreased from 1.2% to 0.0%.

Klein is less Native American/Other than neighboring Roundup (2.4% Native American/Other), Camp Three (7.2% Native American/Other), and Kilby Butte Colony (50% Native American/Other).

Klein's Multiracial Population

29 residents of Klein, or 8.5% of the population, identify as Multiracial. The share of Multiracial residents in Klein is slightly higher than in Montana overall, where 4.7% of the population is Multiracial. Klein ranks 82nd statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Klein's Multiracial population has grown by an estimated 141.7%. Multiracial residents' share of Klein's population has increased from 7.4% to 8.5%.

Klein is more Multiracial than neighboring Roundup (2.7% Multiracial), Camp Three (0% Multiracial), Kilby Butte Colony (0% Multiracial), Flat Willow Colony (0% Multiracial), and Mountain View Colony (0% 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.