Oldham County Demographics

A map of Oldham County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,402	1,325	62.3%	75.4%
Hispanic	625	313	27.8%	17.8%
Black	195	33	8.7%	1.9%
Multiracial	18	71	0.8%	4.0%
Asian	7	10	0.3%	0.6%
Native American/Other	2	6	0.1%	0.3%

Oldham County, Texas has an estimated population of 2,249, a large increase from the 1,758 recorded in the 2020 Census. The population is 62.3% White, 27.8% Hispanic, 8.7% Black, 0.8% Multiracial, 0.3% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Oldham County, with one dot drawn for each person counted by the Census, color-coded by race.

Oldham has become considerably more racially diverse since 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 Oldham County, that probability was 39.8% in 2020 and 52.7% in the most recent ACS estimates.

Oldham County is ranked the 231st most populous county in Texas, out of 254 counties. Oldham County was ranked the 236th most populous county in the 2020 Census.

Oldham County's White Population

1,402 residents of Oldham County, or 62.3% of the population, identify as White. The share of White residents in Oldham County is significantly higher than in Texas overall, where 39.1% of the population is White. Oldham County ranks 41st statewide in terms of White residents as a share of the population, out of 254 counties.

Since the 2020 Census, Oldham County's White population has grown by an estimated 5.8%. White residents' share of Oldham County's population has decreased from 75.4% to 62.3%.

Oldham County is more White than neighboring Hartley County (56.5% White), Deaf Smith County (21% White), Potter County (42.2% White), and Moore County (28.2% White). Oldham County is less White than neighboring Randall County (66.5% White).

Oldham County's Black Population

195 residents of Oldham County, or 8.7% of the population, identify as Black. The share of Black residents in Oldham County is slightly lower than in Texas overall, where 11.9% of the population is Black. Oldham County ranks 153rd statewide in terms of Black residents as a share of the population, out of 254 counties.

Since the 2020 Census, Oldham County's Black population has grown by an estimated 490.9%. Black residents' share of Oldham County's population has increased from 1.9% to 8.7%.

Oldham County is more Black than neighboring Hartley County (6% Black), Deaf Smith County (0.8% Black), Randall County (3.1% Black), and Moore County (4.8% Black). Oldham County is less Black than neighboring Potter County (10.2% Black).

Oldham County's Asian Population

7 residents of Oldham County, or 0.3% of the population, identify as Asian. The share of Asian residents in Oldham County is lower than in Texas overall, where 5.5% of the population is Asian. Oldham County ranks 117th statewide in terms of Asian residents as a share of the population, out of 254 counties.

Since the 2020 Census, Oldham County's Asian population has declined by an estimated 30.0%. Asian residents' share of Oldham County's population has remained roughly unchanged at 0.3%.

Oldham County is more Asian than neighboring Hartley County (0.2% Asian), and Deaf Smith County (0% Asian). Oldham County is less Asian than neighboring Potter County (4.7% Asian), Randall County (1.7% Asian), and Moore County (2.1% Asian).

Oldham County's Hispanic Population

625 residents of Oldham County, or 27.8% of the population, identify as Hispanic. The share of Hispanic residents in Oldham County is considerably lower than in Texas overall, where 39.7% of the population is Hispanic. Oldham County ranks 199th statewide in terms of Hispanic residents as a share of the population, out of 254 counties.

Since the 2020 Census, Oldham County's Hispanic population has grown by an estimated 99.7%. Hispanic residents' share of Oldham County's population has increased from 17.8% to 27.8%.

Oldham County is more Hispanic than neighboring Randall County (24.6% Hispanic). Oldham County is less Hispanic than neighboring Hartley County (31.2% Hispanic), Deaf Smith County (76.4% Hispanic), Potter County (39.3% Hispanic), and Moore County (61% Hispanic).

Oldham County's Native American/Other Population

2 residents of Oldham County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Oldham County is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Oldham County ranks 229th statewide in terms of Native American/Other residents as a share of the population, out of 254 counties.

Since the 2020 Census, Oldham County's Native American/Other population has declined by an estimated 66.7%. Native American/Other residents' share of Oldham County's population has remained roughly unchanged at 0.1%.

Oldham County is less Native American/Other than neighboring Hartley County (0.4% Native American/Other), Deaf Smith County (0.4% Native American/Other), Potter County (0.5% Native American/Other), Randall County (0.8% Native American/Other), and Moore County (0.3% Native American/Other).

Oldham County's Multiracial Population

18 residents of Oldham County, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Oldham County is slightly lower than in Texas overall, where 3.1% of the population is Multiracial. Oldham County ranks 40th statewide in terms of Multiracial residents as a share of the population, out of 254 counties.

Since the 2020 Census, Oldham County's Multiracial population has declined by an estimated 74.6%. Multiracial residents' share of Oldham County's population has decreased from 4.0% to 0.8%.

Oldham County is less Multiracial than neighboring Hartley County (5.7% Multiracial), Deaf Smith County (1.3% Multiracial), Potter County (3.1% Multiracial), Randall County (3.3% 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.