Summit County Demographics

A map of Summit County's Population by Race

Summit County, Colorado had a population of 31,055 in 2020. It was 76.6% White, 0.7% Black, 1.3% Asian, 17.2% Hispanic, 0.8% Native American/Other, and 3.4% Multiracial. This map presents the population of Summit County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Summit County is the 19th most populous county of the 64 counties in Colorado.

Summit County's White Population

23,782 residents of Summit County identify as White, or 76.6%. This makes the White share of the population of Summit County slightly larger than the White share of the population of Colorado (65.1% White). Of the 64 counties in Colorado, Summit County is ranked #31 in terms of White residents as a share of the population.

Summit County is more White than neighboring Lake County (57.7% White), and Eagle County (65% White). Summit County is less White than neighboring Grand County (85.5% White), Clear Creek County (86.7% White), and Gilpin County (85.3% White).

Summit County's Black Population

232 residents of Summit County identify as Black, or 0.7%. This makes the Black share of the population of Summit County roughly similar to the Black share of the population of Colorado (3.8% Black). Of the 64 counties in Colorado, Summit County is ranked #25 in terms of Black residents as a share of the population.

Summit County is more Black than neighboring Grand County (0.4% Black), Clear Creek County (0.5% Black), Lake County (0.4% Black), Eagle County (0.5% Black), and Gilpin County (0.6% Black).

Summit County's Asian Population

407 residents of Summit County identify as Asian, or 1.3%. This makes the Asian share of the population of Summit County roughly similar to the Asian share of the population of Colorado (3.4% Asian). Of the 64 counties in Colorado, Summit County is ranked #14 in terms of Asian residents as a share of the population.

Summit County is more Asian than neighboring Grand County (0.5% Asian), Clear Creek County (0.9% Asian), and Lake County (0.8% Asian). Summit County is less Asian than neighboring Gilpin County (1.5% Asian).

Summit County's Hispanic Population

5,335 residents of Summit County identify as Hispanic, or 17.2%. This makes the Hispanic share of the population of Summit County roughly similar to the Hispanic share of the population of Colorado (21.9% Hispanic). Of the 64 counties in Colorado, Summit County is ranked #26 in terms of Hispanic residents as a share of the population.

Summit County is more Hispanic than neighboring Grand County (9.8% Hispanic), Clear Creek County (6.9% Hispanic), and Gilpin County (6.5% Hispanic). Summit County is less Hispanic than neighboring Lake County (35.8% Hispanic), and Eagle County (30.2% Hispanic).

Summit County's Native American/Other Population

237 residents of Summit County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.8%. This makes the Native American/Other share of the population of Summit 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, Summit County is ranked #55 in terms of Native American/Other residents as a share of the population.

Summit County is more Native American/Other than neighboring Eagle County (0.6% Native American/Other). Summit County is less Native American/Other than neighboring Grand County (0.9% Native American/Other), Clear Creek County (0.9% Native American/Other), Lake County (1.3% Native American/Other), and Gilpin County (1.3% Native American/Other).

Summit County's Multiracial Population

1,062 residents of Summit County identify as Multiracial, or 3.4%. This makes the Multiracial share of the population of Summit County roughly similar to the Multiracial share of the population of Colorado (4.5% Multiracial). Of the 64 counties in Colorado, Summit County is ranked #46 in terms of Multiracial residents as a share of the population.

Summit County is more Multiracial than neighboring Grand County (2.9% Multiracial), and Eagle County (2.4% Multiracial). Summit County is less Multiracial than neighboring Clear Creek County (4.1% Multiracial), Lake County (3.9% Multiracial), and Gilpin County (4.9% Multiracial).

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