Douglas County Demographics

A map of Douglas County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	290,577	278,770	77.0%	77.9%
Hispanic	38,394	34,110	10.2%	9.5%
Asian	21,780	19,807	5.8%	5.5%
Multiracial	18,563	17,692	4.9%	4.9%
Black	5,037	4,788	1.3%	1.3%
Native American/Other	2,799	2,811	0.7%	0.8%

Douglas County, Colorado has an estimated population of 377,150, an increase from the 357,978 recorded in the 2020 Census. The population is 77.0% White, 10.2% Hispanic, 5.8% Asian, 4.9% Multiracial, 1.3% Black, and 0.7% Native American/Other. This demographic dot map shows the population of Douglas County, with one dot drawn for each person counted by the Census, color-coded by race.

Douglas has become 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 Douglas County, that probability was 37.9% in 2020 and 39.0% in the most recent ACS estimates.

Douglas County is ranked the 6th most populous county in Colorado, out of 64 counties. Douglas County was ranked the 7th most populous county in the 2020 Census.

Douglas County's White Population

290,577 residents of Douglas County, or 77.0% of the population, identify as White. The share of White residents in Douglas County is considerably higher than in Colorado overall, where 64.8% of the population is White. Douglas County ranks 27th statewide in terms of White residents as a share of the population, out of 64 counties.

Since the 2020 Census, Douglas County's White population has grown by an estimated 4.2%. White residents' share of Douglas County's population has decreased from 77.9% to 77.0%.

Douglas County is more White than neighboring Jefferson County (75.2% White), Denver County (54% White), Broomfield County (72.4% White), and El Paso County (65.6% White). Douglas County is less White than neighboring Teller County (83.9% White).

Douglas County's Black Population

5,037 residents of Douglas County, or 1.3% of the population, identify as Black. The share of Black residents in Douglas County is slightly lower than in Colorado overall, where 3.8% of the population is Black. Douglas County ranks 13th statewide in terms of Black residents as a share of the population, out of 64 counties.

Since the 2020 Census, Douglas County's Black population has grown by an estimated 5.2%. Black residents' share of Douglas County's population has remained roughly unchanged at 1.3%.

Douglas County is more Black than neighboring Jefferson County (1.1% Black), Teller County (0.9% Black), and Broomfield County (1.1% Black). Douglas County is less Black than neighboring Denver County (8.6% Black), and El Paso County (5.5% Black).

Douglas County's Asian Population

21,780 residents of Douglas County, or 5.8% of the population, identify as Asian. The share of Asian residents in Douglas County is slightly higher than in Colorado overall, where 3.2% of the population is Asian. Douglas County ranks 3rd statewide in terms of Asian residents as a share of the population, out of 64 counties.

Since the 2020 Census, Douglas County's Asian population has grown by an estimated 10.0%. Asian residents' share of Douglas County's population has remained roughly unchanged at 5.8%.

Douglas County is more Asian than neighboring Jefferson County (2.9% Asian), Denver County (3.6% Asian), Teller County (0.3% Asian), and El Paso County (2.8% Asian). Douglas County is less Asian than neighboring Broomfield County (6.9% Asian).

Douglas County's Hispanic Population

38,394 residents of Douglas County, or 10.2% of the population, identify as Hispanic. The share of Hispanic residents in Douglas County is considerably lower than in Colorado overall, where 22.5% of the population is Hispanic. Douglas County ranks 49th statewide in terms of Hispanic residents as a share of the population, out of 64 counties.

Since the 2020 Census, Douglas County's Hispanic population has grown by an estimated 12.6%. Hispanic residents' share of Douglas County's population has increased from 9.5% to 10.2%.

Douglas County is more Hispanic than neighboring Teller County (7.7% Hispanic). Douglas County is less Hispanic than neighboring Jefferson County (16.1% Hispanic), Denver County (28% Hispanic), Broomfield County (14.1% Hispanic), and El Paso County (18.7% Hispanic).

Douglas County's Native American/Other Population

2,799 residents of Douglas County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Douglas County is comparable to the share in Colorado overall, where 1% of the population is Native American/Other. Douglas County ranks 53rd statewide in terms of Native American/Other residents as a share of the population, out of 64 counties.

Since the 2020 Census, Douglas County's Native American/Other population has remained roughly the same. Native American/Other residents' share of Douglas County's population has remained roughly unchanged at 0.7%.

Douglas County is more Native American/Other than neighboring Teller County (0.6% Native American/Other). Douglas County is less Native American/Other than neighboring Denver County (1% Native American/Other), Broomfield County (0.8% Native American/Other), and El Paso County (1% Native American/Other).

Douglas County's Multiracial Population

18,563 residents of Douglas County, or 4.9% of the population, identify as Multiracial. The share of Multiracial residents in Douglas County is comparable to the share in Colorado overall, where 4.6% of the population is Multiracial. Douglas County ranks 7th statewide in terms of Multiracial residents as a share of the population, out of 64 counties.

Since the 2020 Census, Douglas County's Multiracial population has grown by an estimated 4.9%. Multiracial residents' share of Douglas County's population has remained roughly unchanged at 4.9%.

Douglas County is more Multiracial than neighboring Jefferson County (4% Multiracial), Denver County (4.8% Multiracial), and Broomfield County (4.7% Multiracial). Douglas County is less Multiracial than neighboring Teller County (6.5% Multiracial), and El Paso County (6.4% 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.