Sebastian, TX Demographics

A map of Sebastian's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	1,021	1,581	100.0%	93.9%
White	0	76	0.0%	4.5%
Black	0	1	0.0%	0.1%
Asian	0	0	0.0%	0.0%
Native American/Other	0	19	0.0%	1.1%
Multiracial	0	7	0.0%	0.4%

Sebastian, Texas has an estimated population of 1,021, a dramatic decrease from the 1,684 recorded in the 2020 Census. The population is 100.0% Hispanic, 0.0% White, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Sebastian, with one dot drawn for each person counted by the Census, color-coded by race.

Sebastian 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 Sebastian, that probability was 11.6% in 2020 and 0.0% in the most recent ACS estimates.

Sebastian is ranked the 1009th 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). Sebastian was ranked the 783rd most populous place in the 2020 Census.

Sebastian's White Population

0 residents of Sebastian, or 0.0% of the population, identify as White. The share of White residents in Sebastian is significantly lower than in Texas overall, where 39.1% of the population is White. Sebastian ranks 1612th statewide in terms of White residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sebastian's White population has declined by an estimated 100.0%. White residents' share of Sebastian's population has decreased from 4.5% to 0.0%.

Sebastian is less White than neighboring Lyford (5.5% White), and Santa Rosa (2.2% White).

Sebastian's Black Population

0 residents of Sebastian, or 0.0% of the population, identify as Black. The share of Black residents in Sebastian is considerably lower than in Texas overall, where 11.9% of the population is Black. Sebastian ranks 1447th statewide in terms of Black residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sebastian's Black population has declined by an estimated 100.0%. Black residents' share of Sebastian's population has remained roughly unchanged at 0.0%.

Sebastian's Asian Population

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

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

Sebastian's Hispanic Population

1,021 residents of Sebastian, or 100.0% of the population, identify as Hispanic. The share of Hispanic residents in Sebastian is significantly higher than in Texas overall, where 39.7% of the population is Hispanic. Sebastian ranks 240th statewide in terms of Hispanic residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sebastian's Hispanic population has declined by an estimated 35.4%. Hispanic residents' share of Sebastian's population has increased from 93.9% to 100.0%.

Sebastian is more Hispanic than neighboring Zapata Ranch (92.6% Hispanic), Lyford (94.5% Hispanic), and Santa Rosa (97.8% Hispanic).

Sebastian's Native American/Other Population

0 residents of Sebastian, 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 Sebastian is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Sebastian ranks 344th statewide in terms of Native American/Other residents as a share of the population, out of 1,863 places.

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

Sebastian's Multiracial Population

0 residents of Sebastian, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Sebastian is slightly lower than in Texas overall, where 3.1% of the population is Multiracial. Sebastian ranks 1586th statewide in terms of Multiracial residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Sebastian's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Sebastian's population has remained roughly unchanged at 0.0%.

Sebastian is less Multiracial than neighboring Zapata Ranch (7.4% 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.