Alton, TX Demographics

A map of Alton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	19,568	17,646	96.8%	97.0%
White	560	439	2.8%	2.4%
Native American/Other	52	32	0.3%	0.2%
Black	34	47	0.2%	0.3%
Asian	0	22	0.0%	0.1%
Multiracial	0	12	0.0%	0.1%

Alton, Texas has an estimated population of 20,214, a large increase from the 18,198 recorded in the 2020 Census. The population is 96.8% Hispanic, 2.8% White, 0.3% Native American/Other, 0.2% Black, 0.0% Asian, and 0.0% Multiracial. This demographic dot map shows the population of Alton, with one dot drawn for each person counted by the Census, color-coded by race.

Alton 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 Alton, that probability was 5.9% in 2020 and 6.2% in the most recent ACS estimates.

Alton is ranked the 159th 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). Alton was ranked the 163rd most populous place in the 2020 Census.

Alton's White Population

560 residents of Alton, or 2.8% of the population, identify as White. The share of White residents in Alton is significantly lower than in Texas overall, where 39.1% of the population is White. Alton ranks 1671st statewide in terms of White residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Alton's White population has grown by an estimated 27.6%. White residents' share of Alton's population has remained roughly unchanged at 2.8%.

Alton is more White than neighboring West Sharyland (0% White), La Homa (1.1% White), and Doffing (0.4% White). Alton is less White than neighboring Palmhurst (15.7% White), and Mission (8.9% White).

Alton's Black Population

34 residents of Alton, or 0.2% of the population, identify as Black. The share of Black residents in Alton is considerably lower than in Texas overall, where 11.9% of the population is Black. Alton ranks 1340th statewide in terms of Black residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Alton's Black population has declined by an estimated 27.7%. Black residents' share of Alton's population has remained roughly unchanged at 0.2%.

Alton is more Black than neighboring West Sharyland (0% Black), La Homa (0% Black), and Doffing (0% Black). Alton is less Black than neighboring Palmhurst (0.3% Black), and Mission (1.2% Black).

Alton's Asian Population

0 residents of Alton, or 0.0% of the population, identify as Asian. The share of Asian residents in Alton is lower than in Texas overall, where 5.5% of the population is Asian. Alton ranks 1219th statewide in terms of Asian residents as a share of the population, out of 1,863 places.

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

Alton is less Asian than neighboring Palmhurst (4% Asian), La Homa (0.2% Asian), and Mission (1.6% Asian).

Alton's Hispanic Population

19,568 residents of Alton, or 96.8% of the population, identify as Hispanic. The share of Hispanic residents in Alton is significantly higher than in Texas overall, where 39.7% of the population is Hispanic. Alton ranks 160th statewide in terms of Hispanic residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Alton's Hispanic population has grown by an estimated 10.9%. Hispanic residents' share of Alton's population has remained roughly unchanged at 96.8%.

Alton is more Hispanic than neighboring Palmhurst (78.7% Hispanic), and Mission (87.8% Hispanic). Alton is less Hispanic than neighboring West Sharyland (99.5% Hispanic), La Homa (98.4% Hispanic), and Doffing (99.6% Hispanic).

Alton's Native American/Other Population

52 residents of Alton, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Alton is comparable to the share in Texas overall, where 0.6% of the population is Native American/Other. Alton ranks 1462nd statewide in terms of Native American/Other residents as a share of the population, out of 1,863 places.

Since the 2020 Census, Alton's Native American/Other population has grown by an estimated 62.5%. Native American/Other residents' share of Alton's population has remained roughly unchanged at 0.3%.

Alton is more Native American/Other than neighboring West Sharyland (0% Native American/Other), La Homa (0.2% Native American/Other), Doffing (0% Native American/Other), and Mission (0.1% Native American/Other). Alton is less Native American/Other than neighboring Palmhurst (0.6% Native American/Other).

Alton's Multiracial Population

0 residents of Alton, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Alton is slightly lower than in Texas overall, where 3.1% of the population is Multiracial. Alton ranks 1694th statewide in terms of Multiracial residents as a share of the population, out of 1,863 places.

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

Alton is less Multiracial than neighboring Palmhurst (0.7% Multiracial), West Sharyland (0.5% Multiracial), and Mission (0.4% 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.