West Alton, MO Demographics

A map of West Alton's Population by Race

West Alton, Missouri has an estimated population of 467, a dramatic increase from the 359 recorded in the 2020 Census. The population is 96.1% White, 2.8% Black, 1.1% Multiracial, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of West Alton, with one dot drawn for each person counted by the Census, color-coded by race.

West Alton has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In West Alton, that probability was 14.7% in 2020 and 7.5% in the most recent ACS estimates.

West Alton is ranked the 536th most populous place in Missouri, out of 1,082 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). West Alton was ranked the 582nd most populous place in the 2020 Census.

West Alton's White Population

449 residents of West Alton, or 96.1% of the population, identify as White. The share of White residents in West Alton is significantly higher than in Missouri overall, where 76.3% of the population is White. West Alton ranks 323rd statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, West Alton's White population has grown by an estimated 35.6%. White residents' share of West Alton's population has increased from 92.2% to 96.1%.

West Alton is more White than neighboring Alton (68.7% White), Spanish Lake (14.1% White), Old Jamestown (20.1% White), Black Jack (9% White), and Godfrey (88% White).

West Alton's Black Population

13 residents of West Alton, or 2.8% of the population, identify as Black. The share of Black residents in West Alton is lower than in Missouri overall, where 10.9% of the population is Black. West Alton ranks 535th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, West Alton's Black population has grown by an estimated 550.0%. Black residents' share of West Alton's population has increased from 0.6% to 2.8%.

West Alton is less Black than neighboring Alton (19.2% Black), Spanish Lake (80.3% Black), Old Jamestown (67.5% Black), Black Jack (88.7% Black), and Godfrey (4.8% Black).

West Alton's Asian Population

0 residents of West Alton, or 0.0% of the population, identify as Asian. The share of Asian residents in West Alton is slightly lower than in Missouri overall, where 2.1% of the population is Asian. West Alton ranks 231st statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, West Alton's Asian population has declined by an estimated 100.0%. Asian residents' share of West Alton's population has decreased from 0.8% to 0.0%.

West Alton is less Asian than neighboring Alton (1.4% Asian), Spanish Lake (0.6% Asian), Old Jamestown (1.4% Asian), Black Jack (0.2% Asian), and Godfrey (0.6% Asian).

West Alton's Hispanic Population

0 residents of West Alton, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in West Alton is lower than in Missouri overall, where 5.2% of the population is Hispanic. West Alton ranks 904th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, West Alton's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of West Alton's population has decreased from 0.8% to 0.0%.

West Alton is less Hispanic than neighboring Alton (3% Hispanic), Spanish Lake (1.2% Hispanic), Old Jamestown (4.2% Hispanic), and Godfrey (1.7% Hispanic).

West Alton's Native American/Other Population

0 residents of West Alton, 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 West Alton is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. West Alton ranks 564th statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, West Alton's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of West Alton's population has decreased from 0.6% to 0.0%.

West Alton is less Native American/Other than neighboring Alton (1% Native American/Other), Spanish Lake (0.5% Native American/Other), Old Jamestown (1% Native American/Other), and Black Jack (0.1% Native American/Other).

West Alton's Multiracial Population

5 residents of West Alton, or 1.1% of the population, identify as Multiracial. The share of Multiracial residents in West Alton is slightly lower than in Missouri overall, where 4.8% of the population is Multiracial. West Alton ranks 481st statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, West Alton's Multiracial population has declined by an estimated 72.2%. Multiracial residents' share of West Alton's population has decreased from 5.0% to 1.1%.

West Alton is less Multiracial than neighboring Alton (6.7% Multiracial), Spanish Lake (3.3% Multiracial), Old Jamestown (5.8% Multiracial), Black Jack (2% Multiracial), and Godfrey (4.9% 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.