San Miguel County Demographics

A map of San Miguel County's Population by Race

San Miguel County, Colorado has an estimated population of 7,968, a slight decrease from the 8,072 recorded in the 2020 Census. The population is 84.0% White, 11.7% Hispanic, 2.5% Multiracial, 1.0% Black, 0.6% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of San Miguel County, with one dot drawn for each person counted by the Census, color-coded by race.

San Miguel has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Colorado overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In San Miguel County, that probability was 28.6% in 2020 and 28.1% in the most recent ACS estimates.

San Miguel County is ranked the 40th most populous county in Colorado, out of 64 counties. San Miguel County was ranked the 40th most populous county in the 2020 Census.

San Miguel County's White Population

6,690 residents of San Miguel County, or 84.0% of the population, identify as White. The share of White residents in San Miguel County is significantly higher than in Colorado overall, where 64.8% of the population is White. San Miguel County ranks 19th statewide in terms of White residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Miguel County's White population has remained roughly the same. White residents' share of San Miguel County's population has remained roughly unchanged at 84.0%.

San Miguel County is more White than neighboring Dolores County (82.7% White), Montrose County (73.1% White), Montezuma County (70.5% White), and San Juan County (76.2% White). San Miguel County is less White than neighboring Ouray County (89.1% White).

San Miguel County's Black Population

83 residents of San Miguel County, or 1.0% of the population, identify as Black. The share of Black residents in San Miguel County is slightly lower than in Colorado overall, where 3.8% of the population is Black. San Miguel County ranks 54th statewide in terms of Black residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Miguel County's Black population has grown by an estimated 315.0%. Black residents' share of San Miguel County's population has increased from 0.2% to 1.0%.

San Miguel County is more Black than neighboring Dolores County (0% Black), Montrose County (0.4% Black), Ouray County (0.2% Black), Montezuma County (0.7% Black), and San Juan County (0% Black).

San Miguel County's Asian Population

51 residents of San Miguel County, or 0.6% of the population, identify as Asian. The share of Asian residents in San Miguel County is slightly lower than in Colorado overall, where 3.2% of the population is Asian. San Miguel County ranks 34th statewide in terms of Asian residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Miguel County's Asian population has declined by an estimated 7.3%. Asian residents' share of San Miguel County's population has remained roughly unchanged at 0.6%.

San Miguel County is more Asian than neighboring Dolores County (0% Asian), Montrose County (0.5% Asian), Ouray County (0.5% Asian), and San Juan County (0% Asian). San Miguel County is less Asian than neighboring Montezuma County (0.9% Asian).

San Miguel County's Hispanic Population

931 residents of San Miguel County, or 11.7% of the population, identify as Hispanic. The share of Hispanic residents in San Miguel County is considerably lower than in Colorado overall, where 22.5% of the population is Hispanic. San Miguel County ranks 43rd statewide in terms of Hispanic residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Miguel County's Hispanic population has grown by an estimated 5.6%. Hispanic residents' share of San Miguel County's population has increased from 10.9% to 11.7%.

San Miguel County is more Hispanic than neighboring Dolores County (9.9% Hispanic), and Ouray County (6.1% Hispanic). San Miguel County is less Hispanic than neighboring Montrose County (21.5% Hispanic), Montezuma County (12.5% Hispanic), and San Juan County (18.2% Hispanic).

San Miguel County's Native American/Other Population

16 residents of San Miguel County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in San Miguel County is comparable to the share in Colorado overall, where 1% of the population is Native American/Other. San Miguel County ranks 34th statewide in terms of Native American/Other residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Miguel County's Native American/Other population has declined by an estimated 82.4%. Native American/Other residents' share of San Miguel County's population has decreased from 1.1% to 0.2%.

San Miguel County is less Native American/Other than neighboring Dolores County (2.8% Native American/Other), Montrose County (0.8% Native American/Other), Montezuma County (9.7% Native American/Other), and San Juan County (1% Native American/Other).

San Miguel County's Multiracial Population

197 residents of San Miguel County, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in San Miguel County is slightly lower than in Colorado overall, where 4.6% of the population is Multiracial. San Miguel County ranks 48th statewide in terms of Multiracial residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Miguel County's Multiracial population has declined by an estimated 26.2%. Multiracial residents' share of San Miguel County's population has decreased from 3.3% to 2.5%.

San Miguel County is less Multiracial than neighboring Dolores County (4.5% Multiracial), Montrose County (3.7% Multiracial), Ouray County (3.9% Multiracial), Montezuma County (5.7% Multiracial), and San Juan County (4.6% 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.