Census Dots

Costilla County Demographics

A map of Costilla County's Population by Race

Race
PopulationPercent
Hispanic
1,98856.8%
White
1,23435.3%
Multiracial
1424.1%
Asian
551.6%
Native American/Other
471.3%
Black
330.9%

Costilla County, Colorado had a population of 3,499 in 2020. It was 35.3% White, 0.9% Black, 1.6% Asian, 56.8% Hispanic, 1.3% Native American/Other, and 4.1% Multiracial. This map presents the population of Costilla County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Costilla County is the 56th most populous county of the 64 counties in Colorado.

Costilla County's White Population

1,234 residents of Costilla County identify as White, or 35.3%. This makes the White share of the population of Costilla County considerably less than the White share of the population of Colorado (65.1% White). Of the 64 counties in Colorado, Costilla County is ranked #64 in terms of White residents as a share of the population.

Costilla County is less White than neighboring Alamosa County (45.7% White), Huerfano County (62% White), Taos County (39.7% White), Conejos County (46.4% White), and Custer County (89.5% White).

Costilla County's Black Population

33 residents of Costilla County identify as Black, or 0.9%. This makes the Black share of the population of Costilla County roughly similar to the Black share of the population of Colorado (3.8% Black). Of the 64 counties in Colorado, Costilla County is ranked #22 in terms of Black residents as a share of the population.

Costilla County is more Black than neighboring Huerfano County (0.8% Black), Taos County (0.4% Black), Conejos County (0.2% Black), and Custer County (0.2% Black). Costilla County is less Black than neighboring Alamosa County (1.3% Black).

Costilla County's Asian Population

55 residents of Costilla County identify as Asian, or 1.6%. This makes the Asian share of the population of Costilla County roughly similar to the Asian share of the population of Colorado (3.4% Asian). Of the 64 counties in Colorado, Costilla County is ranked #12 in terms of Asian residents as a share of the population.

Costilla County is more Asian than neighboring Alamosa County (0.9% Asian), Huerfano County (0.4% Asian), Taos County (0.6% Asian), Conejos County (0.3% Asian), and Custer County (0.5% Asian).

Costilla County's Hispanic Population

1,988 residents of Costilla County identify as Hispanic, or 56.8%. This makes the Hispanic share of the population of Costilla County considerably larger than the Hispanic share of the population of Colorado (21.9% Hispanic). Of the 64 counties in Colorado, Costilla County is ranked #1 in terms of Hispanic residents as a share of the population.

Costilla County is more Hispanic than neighboring Alamosa County (47% Hispanic), Huerfano County (31.2% Hispanic), Taos County (50.5% Hispanic), Conejos County (50.7% Hispanic), and Custer County (3.8% Hispanic).

Costilla County's Native American/Other Population

47 residents of Costilla County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.3%. This makes the Native American/Other share of the population of Costilla County roughly similar to the Native American/Other share of the population of Colorado (1.3% Native American/Other). Of the 64 counties in Colorado, Costilla County is ranked #21 in terms of Native American/Other residents as a share of the population.

Costilla County is more Native American/Other than neighboring Conejos County (0.9% Native American/Other). Costilla County is less Native American/Other than neighboring Alamosa County (2.1% Native American/Other), Huerfano County (1.8% Native American/Other), Taos County (6.1% Native American/Other), and Custer County (1.8% Native American/Other).

Costilla County's Multiracial Population

142 residents of Costilla County identify as Multiracial, or 4.1%. This makes the Multiracial share of the population of Costilla County roughly similar to the Multiracial share of the population of Colorado (4.5% Multiracial). Of the 64 counties in Colorado, Costilla County is ranked #29 in terms of Multiracial residents as a share of the population.

Costilla County is more Multiracial than neighboring Alamosa County (3% Multiracial), Huerfano County (3.8% Multiracial), Taos County (2.7% Multiracial), and Conejos County (1.5% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.