San Juan County Demographics

A map of San Juan County's Population by Race

San Juan County, Colorado has an estimated population of 724, a slight increase from the 705 recorded in the 2020 Census. The population is 76.2% White, 18.2% Hispanic, 4.6% Multiracial, 1.0% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of San Juan County, with one dot drawn for each person counted by the Census, color-coded by race.

San Juan has become considerably more 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 Juan County, that probability was 31.7% in 2020 and 38.3% in the most recent ACS estimates.

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

San Juan County's White Population

552 residents of San Juan County, or 76.2% of the population, identify as White. The share of White residents in San Juan County is considerably higher than in Colorado overall, where 64.8% of the population is White. San Juan County ranks 23rd statewide in terms of White residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Juan County's White population has declined by an estimated 4.0%. White residents' share of San Juan County's population has decreased from 81.6% to 76.2%.

San Juan County is more White than neighboring La Plata County (76.1% White). San Juan County is less White than neighboring Hinsdale County (86.6% White), Ouray County (89.1% White), Mineral County (85.3% White), and San Miguel County (84% White).

San Juan County's Black Population

0 residents of San Juan County, or 0.0% of the population, identify as Black. The share of Black residents in San Juan County is slightly lower than in Colorado overall, where 3.8% of the population is Black. San Juan County ranks 60th statewide in terms of Black residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Juan County's Black population has declined by an estimated 100.0%. Black residents' share of San Juan County's population has remained roughly unchanged at 0.0%.

San Juan County is less Black than neighboring Hinsdale County (0.3% Black), Ouray County (0.2% Black), La Plata County (0.2% Black), and San Miguel County (1% Black).

San Juan County's Asian Population

0 residents of San Juan County, or 0.0% of the population, identify as Asian. The share of Asian residents in San Juan County is slightly lower than in Colorado overall, where 3.2% of the population is Asian. San Juan County ranks 56th statewide in terms of Asian residents as a share of the population, out of 64 counties.

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

San Juan County is less Asian than neighboring Ouray County (0.5% Asian), La Plata County (0.8% Asian), Mineral County (0.7% Asian), and San Miguel County (0.6% Asian).

San Juan County's Hispanic Population

132 residents of San Juan County, or 18.2% of the population, identify as Hispanic. The share of Hispanic residents in San Juan County is slightly lower than in Colorado overall, where 22.5% of the population is Hispanic. San Juan County ranks 37th statewide in terms of Hispanic residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Juan County's Hispanic population has grown by an estimated 46.7%. Hispanic residents' share of San Juan County's population has increased from 12.8% to 18.2%.

San Juan County is more Hispanic than neighboring Hinsdale County (1.9% Hispanic), Ouray County (6.1% Hispanic), La Plata County (12.9% Hispanic), Mineral County (6.3% Hispanic), and San Miguel County (11.7% Hispanic).

San Juan County's Native American/Other Population

7 residents of San Juan County, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in San Juan County is comparable to the share in Colorado overall, where 1% of the population is Native American/Other. San Juan County ranks 43rd statewide in terms of Native American/Other residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Juan County's Native American/Other population has remained roughly the same. Native American/Other residents' share of San Juan County's population has remained roughly unchanged at 1.0%.

San Juan County is more Native American/Other than neighboring Ouray County (0.2% Native American/Other), Mineral County (0.1% Native American/Other), and San Miguel County (0.2% Native American/Other). San Juan County is less Native American/Other than neighboring Hinsdale County (2.9% Native American/Other), and La Plata County (5.8% Native American/Other).

San Juan County's Multiracial Population

33 residents of San Juan County, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in San Juan County is comparable to the share in Colorado overall, where 4.6% of the population is Multiracial. San Juan County ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 64 counties.

Since the 2020 Census, San Juan County's Multiracial population has grown by an estimated 10.0%. Multiracial residents' share of San Juan County's population has remained roughly unchanged at 4.6%.

San Juan County is more Multiracial than neighboring Ouray County (3.9% Multiracial), La Plata County (4.3% Multiracial), and San Miguel County (2.5% Multiracial). San Juan County is less Multiracial than neighboring Hinsdale County (8.4% Multiracial), and Mineral County (7.5% 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.