Lewistown, MT Demographics

A map of Lewistown's Population by Race

Lewistown, Montana has an estimated population of 6,087, a slight increase from the 5,952 recorded in the 2020 Census. The population is 90.0% White, 3.9% Hispanic, 2.6% Native American/Other, 1.8% Multiracial, 1.0% Black, and 0.7% Asian. This demographic dot map shows the population of Lewistown, with one dot drawn for each person counted by the Census, color-coded by race.

Lewistown has become slightly 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 Lewistown, that probability was 18.1% in 2020 and 18.8% in the most recent ACS estimates.

Lewistown is ranked the 20th 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). Lewistown was ranked the 20th most populous place in the 2020 Census.

Lewistown's White Population

5,477 residents of Lewistown, or 90.0% of the population, identify as White. The share of White residents in Lewistown is higher than in Montana overall, where 83.6% of the population is White. Lewistown ranks 196th statewide in terms of White residents as a share of the population, out of 497 places.

Since the 2020 Census, Lewistown's White population has grown by an estimated 1.9%. White residents' share of Lewistown's population has remained roughly unchanged at 90.0%.

Lewistown is more White than neighboring Brooks (0% White), King Ranch Colony (55.3% White), and Spring Creek Colony (59.3% White). Lewistown is less White than neighboring Lewistown Heights (92% White), and Warm Spring Creek (100% White).

Lewistown's Black Population

63 residents of Lewistown, or 1.0% of the population, identify as Black. The share of Black residents in Lewistown is comparable to the share in Montana overall, where 0.4% of the population is Black. Lewistown ranks 130th statewide in terms of Black residents as a share of the population, out of 497 places.

Since the 2020 Census, Lewistown's Black population has grown by an estimated 350.0%. Black residents' share of Lewistown's population has increased from 0.2% to 1.0%.

Lewistown is more Black than neighboring Lewistown Heights (0% Black), Brooks (0% Black), King Ranch Colony (0% Black), Spring Creek Colony (0% Black), and Warm Spring Creek (0% Black).

Lewistown's Asian Population

43 residents of Lewistown, or 0.7% of the population, identify as Asian. The share of Asian residents in Lewistown is comparable to the share in Montana overall, where 0.8% of the population is Asian. Lewistown ranks 109th statewide in terms of Asian residents as a share of the population, out of 497 places.

Since the 2020 Census, Lewistown's Asian population has grown by an estimated 26.5%. Asian residents' share of Lewistown's population has remained roughly unchanged at 0.7%.

Lewistown is more Asian than neighboring Brooks (0% Asian), King Ranch Colony (0% Asian), Spring Creek Colony (0% Asian), and Warm Spring Creek (0% Asian). Lewistown is less Asian than neighboring Lewistown Heights (6.6% Asian).

Lewistown's Hispanic Population

236 residents of Lewistown, or 3.9% of the population, identify as Hispanic. The share of Hispanic residents in Lewistown is comparable to the share in Montana overall, where 4.6% of the population is Hispanic. Lewistown ranks 257th statewide in terms of Hispanic residents as a share of the population, out of 497 places.

Since the 2020 Census, Lewistown's Hispanic population has grown by an estimated 49.4%. Hispanic residents' share of Lewistown's population has increased from 2.7% to 3.9%.

Lewistown is more Hispanic than neighboring Lewistown Heights (1.4% Hispanic), Brooks (0% Hispanic), King Ranch Colony (0% Hispanic), and Warm Spring Creek (0% Hispanic). Lewistown is less Hispanic than neighboring Spring Creek Colony (40.7% Hispanic).

Lewistown's Native American/Other Population

158 residents of Lewistown, or 2.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lewistown is slightly lower than in Montana overall, where 5.9% of the population is Native American/Other. Lewistown ranks 228th statewide in terms of Native American/Other residents as a share of the population, out of 497 places.

Since the 2020 Census, Lewistown's Native American/Other population has grown by an estimated 41.1%. Native American/Other residents' share of Lewistown's population has increased from 1.9% to 2.6%.

Lewistown is more Native American/Other than neighboring Lewistown Heights (0% Native American/Other), Brooks (0% Native American/Other), Spring Creek Colony (0% Native American/Other), and Warm Spring Creek (0% Native American/Other). Lewistown is less Native American/Other than neighboring King Ranch Colony (44.7% Native American/Other).

Lewistown's Multiracial Population

110 residents of Lewistown, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in Lewistown is slightly lower than in Montana overall, where 4.7% of the population is Multiracial. Lewistown ranks 254th statewide in terms of Multiracial residents as a share of the population, out of 497 places.

Since the 2020 Census, Lewistown's Multiracial population has declined by an estimated 57.2%. Multiracial residents' share of Lewistown's population has decreased from 4.3% to 1.8%.

Lewistown is more Multiracial than neighboring Lewistown Heights (0% Multiracial), Brooks (0% Multiracial), King Ranch Colony (0% Multiracial), Spring Creek Colony (0% Multiracial), and Warm Spring Creek (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.