Boulder Canyon, SD Demographics

A map of Boulder Canyon's Population by Race

Boulder Canyon, South Dakota has an estimated population of 841, a dramatic increase from the 561 recorded in the 2020 Census. The population is 67.4% White, 19.9% Hispanic, 12.7% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Boulder Canyon, with one dot drawn for each person counted by the Census, color-coded by race.

Boulder Canyon has become considerably more racially diverse since the 2020 Census. It is considerably more diverse than South Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Boulder Canyon, that probability was 14.9% in 2020 and 49.0% in the most recent ACS estimates.

Boulder Canyon is ranked the 97th most populous place in South Dakota, out of 485 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). Boulder Canyon was ranked the 132nd most populous place in the 2020 Census.

Boulder Canyon's White Population

567 residents of Boulder Canyon, or 67.4% of the population, identify as White. The share of White residents in Boulder Canyon is considerably lower than in South Dakota overall, where 79.8% of the population is White. Boulder Canyon ranks 188th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Boulder Canyon's White population has grown by an estimated 9.7%. White residents' share of Boulder Canyon's population has decreased from 92.2% to 67.4%.

Boulder Canyon is less White than neighboring Crook City (100% White), Whitewood (91% White), Sturgis (91.1% White), Deadwood (90.3% White), and Blucksberg Mountain (74% White).

Boulder Canyon's Black Population

0 residents of Boulder Canyon, or 0.0% of the population, identify as Black. The share of Black residents in Boulder Canyon is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Boulder Canyon ranks 183rd statewide in terms of Black residents as a share of the population, out of 485 places.

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

Boulder Canyon is less Black than neighboring Sturgis (1.9% Black), and Deadwood (0.7% Black).

Boulder Canyon's Asian Population

0 residents of Boulder Canyon, or 0.0% of the population, identify as Asian. The share of Asian residents in Boulder Canyon is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Boulder Canyon ranks 156th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Boulder Canyon's Asian population has declined by an estimated 100.0%. Asian residents' share of Boulder Canyon's population has remained roughly unchanged at 0.0%.

Boulder Canyon is less Asian than neighboring Deadwood (1.7% Asian).

Boulder Canyon's Hispanic Population

167 residents of Boulder Canyon, or 19.9% of the population, identify as Hispanic. The share of Hispanic residents in Boulder Canyon is significantly higher than in South Dakota overall, where 4.8% of the population is Hispanic. Boulder Canyon ranks 212th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Boulder Canyon's Hispanic population has grown by an estimated 1092.9%. Hispanic residents' share of Boulder Canyon's population has increased from 2.5% to 19.9%.

Boulder Canyon is more Hispanic than neighboring Crook City (0% Hispanic), Whitewood (1.1% Hispanic), Sturgis (3% Hispanic), Deadwood (4.5% Hispanic), and Blucksberg Mountain (0% Hispanic).

Boulder Canyon's Native American/Other Population

0 residents of Boulder Canyon, 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 Boulder Canyon is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Boulder Canyon ranks 238th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Boulder Canyon's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Boulder Canyon's population has decreased from 1.6% to 0.0%.

Boulder Canyon is less Native American/Other than neighboring Whitewood (2.3% Native American/Other), Sturgis (2.3% Native American/Other), and Deadwood (0.6% Native American/Other).

Boulder Canyon's Multiracial Population

107 residents of Boulder Canyon, or 12.7% of the population, identify as Multiracial. The share of Multiracial residents in Boulder Canyon is higher than in South Dakota overall, where 4.4% of the population is Multiracial. Boulder Canyon ranks 184th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Boulder Canyon's Multiracial population has grown by an estimated 435.0%. Multiracial residents' share of Boulder Canyon's population has increased from 3.6% to 12.7%.

Boulder Canyon is more Multiracial than neighboring Crook City (0% Multiracial), Whitewood (5.6% Multiracial), Sturgis (1.7% Multiracial), and Deadwood (2.3% Multiracial). Boulder Canyon is less Multiracial than neighboring Blucksberg Mountain (26% 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.