Dallam County Demographics

A map of Dallam County's Population by Race

Dallam County, Texas has an estimated population of 7,298, a slight increase from the 7,115 recorded in the 2020 Census. The population is 54.3% Hispanic, 40.8% White, 3.4% Multiracial, 1.2% Native American/Other, 0.2% Black, and 0.0% Asian. This demographic dot map shows the population of Dallam County, with one dot drawn for each person counted by the Census, color-coded by race.

Dallam is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Texas overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Dallam County, that probability was 53.6% in 2020 and 53.7% in the most recent ACS estimates.

Dallam County is ranked the 183rd most populous county in Texas, out of 254 counties. Dallam County was ranked the 183rd most populous county in the 2020 Census.

Dallam County's White Population

2,979 residents of Dallam County, or 40.8% of the population, identify as White. The share of White residents in Dallam County is comparable to the share in Texas overall, where 39.1% of the population is White. Dallam County ranks 182nd statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Dallam County's White population has declined by an estimated 4.5%. White residents' share of Dallam County's population has decreased from 43.8% to 40.8%.

Dallam County is more White than neighboring Moore County (28.2% White). Dallam County is less White than neighboring Hartley County (56.5% White), Cimarron County (66.4% White), Sherman County (52.1% White), and Oldham County (62.3% White).

Dallam County's Black Population

15 residents of Dallam County, or 0.2% of the population, identify as Black. The share of Black residents in Dallam County is considerably lower than in Texas overall, where 11.9% of the population is Black. Dallam County ranks 184th statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Dallam County's Black population has declined by an estimated 79.7%. Black residents' share of Dallam County's population has decreased from 1.0% to 0.2%.

Dallam County is more Black than neighboring Cimarron County (0% Black), and Sherman County (0.1% Black). Dallam County is less Black than neighboring Hartley County (6% Black), Moore County (4.8% Black), and Oldham County (8.7% Black).

Dallam County's Asian Population

3 residents of Dallam County, or 0.0% of the population, identify as Asian. The share of Asian residents in Dallam County is lower than in Texas overall, where 5.5% of the population is Asian. Dallam County ranks 230th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Dallam County's Asian population has declined by an estimated 70.0%. Asian residents' share of Dallam County's population has remained roughly unchanged at 0.0%.

Dallam County is less Asian than neighboring Hartley County (0.2% Asian), Sherman County (0.5% Asian), Moore County (2.1% Asian), and Oldham County (0.3% Asian).

Dallam County's Hispanic Population

3,965 residents of Dallam County, or 54.3% of the population, identify as Hispanic. The share of Hispanic residents in Dallam County is considerably higher than in Texas overall, where 39.7% of the population is Hispanic. Dallam County ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Dallam County's Hispanic population has grown by an estimated 7.0%. Hispanic residents' share of Dallam County's population has increased from 52.1% to 54.3%.

Dallam County is more Hispanic than neighboring Hartley County (31.2% Hispanic), Cimarron County (25.3% Hispanic), Sherman County (46.6% Hispanic), and Oldham County (27.8% Hispanic). Dallam County is less Hispanic than neighboring Moore County (61% Hispanic).

Dallam County's Native American/Other Population

90 residents of Dallam County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dallam County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Dallam County ranks 52nd statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Dallam County's Native American/Other population has grown by an estimated 40.6%. Native American/Other residents' share of Dallam County's population has remained roughly unchanged at 1.2%.

Dallam County is more Native American/Other than neighboring Hartley County (0.4% Native American/Other), Cimarron County (0.5% Native American/Other), Sherman County (0% Native American/Other), Moore County (0.3% Native American/Other), and Oldham County (0.1% Native American/Other).

Dallam County's Multiracial Population

246 residents of Dallam County, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Dallam County is comparable to the share in Texas overall, where 3.1% of the population is Multiracial. Dallam County ranks 191st statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Dallam County's Multiracial population has grown by an estimated 74.5%. Multiracial residents' share of Dallam County's population has increased from 2.0% to 3.4%.

Dallam County is more Multiracial than neighboring Sherman County (0.6% Multiracial), and Oldham County (0.8% Multiracial). Dallam County is less Multiracial than neighboring Hartley County (5.7% Multiracial), Cimarron County (7.8% Multiracial), and Moore County (3.5% 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.