O'Brien, TX Demographics

A map of O'Brien's Population by Race

O'Brien, Texas has an estimated population of 130, a dramatic increase from the 91 recorded in the 2020 Census. The population is 82.3% Hispanic, 17.7% White, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of O'Brien, with one dot drawn for each person counted by the Census, color-coded by race.

O'Brien has become considerably less 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 O'Brien, that probability was 55.1% in 2020 and 29.1% in the most recent ACS estimates.

O'Brien is ranked the 1630th most populous place in Texas, out of 1,863 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). O'Brien was ranked the 1713th most populous place in the 2020 Census.

O'Brien's White Population

23 residents of O'Brien, or 17.7% of the population, identify as White. The share of White residents in O'Brien is significantly lower than in Texas overall, where 39.1% of the population is White. O'Brien ranks 1097th statewide in terms of White residents as a share of the population, out of 1,863 places.

Since the 2020 Census, O'Brien's White population has declined by an estimated 45.2%. White residents' share of O'Brien's population has decreased from 46.2% to 17.7%.

O'Brien is less White than neighboring Knox City (59.9% White), Rochester (53.1% White), Weinert (56.2% White), Rule (60.4% White), and Benjamin (58.6% White).

O'Brien's Black Population

0 residents of O'Brien, or 0.0% of the population, identify as Black. The share of Black residents in O'Brien is considerably lower than in Texas overall, where 11.9% of the population is Black. O'Brien ranks 1467th statewide in terms of Black residents as a share of the population, out of 1,863 places.

Since the 2020 Census, O'Brien's Black population has grown from 0 to an estimated 0. Black residents' share of O'Brien's population has remained roughly unchanged at 0.0%.

O'Brien is less Black than neighboring Knox City (5% Black), Rochester (12.3% Black), Rule (5.1% Black), and Benjamin (0.8% Black).

O'Brien's Asian Population

0 residents of O'Brien, or 0.0% of the population, identify as Asian. The share of Asian residents in O'Brien is lower than in Texas overall, where 5.5% of the population is Asian. O'Brien ranks 1316th statewide in terms of Asian residents as a share of the population, out of 1,863 places.

Since the 2020 Census, O'Brien's Asian population has grown from 0 to an estimated 0. Asian residents' share of O'Brien's population has remained roughly unchanged at 0.0%.

O'Brien is less Asian than neighboring Knox City (1% Asian).

O'Brien's Hispanic Population

107 residents of O'Brien, or 82.3% of the population, identify as Hispanic. The share of Hispanic residents in O'Brien is significantly higher than in Texas overall, where 39.7% of the population is Hispanic. O'Brien ranks 630th statewide in terms of Hispanic residents as a share of the population, out of 1,863 places.

Since the 2020 Census, O'Brien's Hispanic population has grown by an estimated 143.2%. Hispanic residents' share of O'Brien's population has increased from 48.4% to 82.3%.

O'Brien is more Hispanic than neighboring Knox City (32.3% Hispanic), Rochester (28.5% Hispanic), Weinert (40.4% Hispanic), Rule (30.5% Hispanic), and Benjamin (39.5% Hispanic).

O'Brien's Native American/Other Population

0 residents of O'Brien, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in O'Brien is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. O'Brien ranks 367th statewide in terms of Native American/Other residents as a share of the population, out of 1,863 places.

Since the 2020 Census, O'Brien's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of O'Brien's population has decreased from 1.1% to 0.0%.

O'Brien is less Native American/Other than neighboring Knox City (0.4% Native American/Other), and Rochester (0.9% Native American/Other).

O'Brien's Multiracial Population

0 residents of O'Brien, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in O'Brien is slightly lower than in Texas overall, where 3.1% of the population is Multiracial. O'Brien ranks 435th statewide in terms of Multiracial residents as a share of the population, out of 1,863 places.

Since the 2020 Census, O'Brien's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of O'Brien's population has decreased from 4.4% to 0.0%.

O'Brien is less Multiracial than neighboring Knox City (1.3% Multiracial), Rochester (5.3% Multiracial), Weinert (3.4% Multiracial), Rule (4% Multiracial), and Benjamin (1.1% 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.