Thayer, MO Demographics

A map of Thayer's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,173	1,739	93.1%	92.4%
Multiracial	136	97	5.8%	5.2%
Hispanic	17	26	0.7%	1.4%
Native American/Other	7	10	0.3%	0.5%
Black	0	9	0.0%	0.5%
Asian	0	2	0.0%	0.1%

Thayer, Missouri has an estimated population of 2,333, a large increase from the 1,883 recorded in the 2020 Census. The population is 93.1% White, 5.8% Multiracial, 0.7% Hispanic, 0.3% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Thayer, with one dot drawn for each person counted by the Census, color-coded by race.

Thayer has become 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 Thayer, that probability was 14.4% in 2020 and 12.9% in the most recent ACS estimates.

Thayer is ranked the 247th 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). Thayer was ranked the 266th most populous place in the 2020 Census.

Thayer's White Population

2,173 residents of Thayer, or 93.1% of the population, identify as White. The share of White residents in Thayer is significantly higher than in Missouri overall, where 76.3% of the population is White. Thayer ranks 313th statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Thayer's White population has grown by an estimated 25.0%. White residents' share of Thayer's population has increased from 92.4% to 93.1%.

Thayer is more White than neighboring Koshkonong (67.2% White), and Alton (83.2% White). Thayer is less White than neighboring Mammoth Spring (95.7% White), Brandsville (100% White), and Hardy (95.4% White).

Thayer's Black Population

0 residents of Thayer, or 0.0% of the population, identify as Black. The share of Black residents in Thayer is considerably lower than in Missouri overall, where 10.9% of the population is Black. Thayer ranks 576th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Thayer's Black population has declined by an estimated 100.0%. Black residents' share of Thayer's population has decreased from 0.5% to 0.0%.

Thayer is less Black than neighboring Alton (0.9% Black).

Thayer's Asian Population

0 residents of Thayer, or 0.0% of the population, identify as Asian. The share of Asian residents in Thayer is slightly lower than in Missouri overall, where 2.1% of the population is Asian. Thayer ranks 592nd statewide in terms of Asian residents as a share of the population, out of 1,082 places.

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

Thayer is less Asian than neighboring Hardy (2.5% Asian), and Alton (3.8% Asian).

Thayer's Hispanic Population

17 residents of Thayer, or 0.7% of the population, identify as Hispanic. The share of Hispanic residents in Thayer is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Thayer ranks 787th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Thayer's Hispanic population has declined by an estimated 34.6%. Hispanic residents' share of Thayer's population has decreased from 1.4% to 0.7%.

Thayer is more Hispanic than neighboring Brandsville (0% Hispanic). Thayer is less Hispanic than neighboring Mammoth Spring (0.8% Hispanic), Koshkonong (4% Hispanic), Hardy (1.3% Hispanic), and Alton (3.5% Hispanic).

Thayer's Native American/Other Population

7 residents of Thayer, 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 Thayer is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Thayer ranks 581st statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Thayer's Native American/Other population has declined by an estimated 30.0%. Native American/Other residents' share of Thayer's population has remained roughly unchanged at 0.3%.

Thayer is more Native American/Other than neighboring Mammoth Spring (0% Native American/Other), Koshkonong (0% Native American/Other), Brandsville (0% Native American/Other), and Hardy (0% Native American/Other). Thayer is less Native American/Other than neighboring Alton (0.5% Native American/Other).

Thayer's Multiracial Population

136 residents of Thayer, or 5.8% of the population, identify as Multiracial. The share of Multiracial residents in Thayer is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Thayer ranks 458th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Thayer's Multiracial population has grown by an estimated 40.2%. Multiracial residents' share of Thayer's population has increased from 5.2% to 5.8%.

Thayer is more Multiracial than neighboring Mammoth Spring (3.5% Multiracial), Brandsville (0% Multiracial), and Hardy (0.8% Multiracial). Thayer is less Multiracial than neighboring Koshkonong (28.8% Multiracial), and Alton (8.1% 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.