Marthasville, MO Demographics

A map of Marthasville's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,208	1,159	94.8%	93.1%
Multiracial	64	43	2.7%	3.5%
Hispanic	56	29	2.4%	2.3%
Black	0	4	0.0%	0.3%
Asian	0	2	0.0%	0.2%
Native American/Other	0	8	0.0%	0.6%

Marthasville, Missouri has an estimated population of 2,328, a dramatic increase from the 1,245 recorded in the 2020 Census. The population is 94.8% White, 2.7% Multiracial, 2.4% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Marthasville, with one dot drawn for each person counted by the Census, color-coded by race.

Marthasville 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 Marthasville, that probability was 13.2% in 2020 and 9.9% in the most recent ACS estimates.

Marthasville is ranked the 250th 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). Marthasville was ranked the 327th most populous place in the 2020 Census.

Marthasville's White Population

2,208 residents of Marthasville, or 94.8% of the population, identify as White. The share of White residents in Marthasville is significantly higher than in Missouri overall, where 76.3% of the population is White. Marthasville ranks 253rd statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Marthasville's White population has grown by an estimated 90.5%. White residents' share of Marthasville's population has increased from 93.1% to 94.8%.

Marthasville is more White than neighboring Washington (91.7% White), Innsbrook (88.5% White), and New Haven (82.7% White). Marthasville is less White than neighboring Three Creeks (100% White), and Augusta (97.5% White).

Marthasville's Black Population

0 residents of Marthasville, or 0.0% of the population, identify as Black. The share of Black residents in Marthasville is considerably lower than in Missouri overall, where 10.9% of the population is Black. Marthasville ranks 640th statewide in terms of Black residents as a share of the population, out of 1,082 places.

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

Marthasville is less Black than neighboring Washington (0.3% Black), Innsbrook (0.4% Black), and New Haven (0.4% Black).

Marthasville's Asian Population

0 residents of Marthasville, or 0.0% of the population, identify as Asian. The share of Asian residents in Marthasville is slightly lower than in Missouri overall, where 2.1% of the population is Asian. Marthasville ranks 566th statewide in terms of Asian residents as a share of the population, out of 1,082 places.

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

Marthasville is less Asian than neighboring Washington (0.2% Asian).

Marthasville's Hispanic Population

56 residents of Marthasville, or 2.4% of the population, identify as Hispanic. The share of Hispanic residents in Marthasville is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Marthasville ranks 552nd statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Marthasville's Hispanic population has grown by an estimated 93.1%. Hispanic residents' share of Marthasville's population has remained roughly unchanged at 2.4%.

Marthasville is more Hispanic than neighboring Three Creeks (0% Hispanic), Washington (2.1% Hispanic), and Augusta (0.4% Hispanic). Marthasville is less Hispanic than neighboring Innsbrook (3.8% Hispanic), and New Haven (8.4% Hispanic).

Marthasville's Native American/Other Population

0 residents of Marthasville, 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 Marthasville is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Marthasville ranks 521st statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

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

Marthasville is less Native American/Other than neighboring Washington (0.8% Native American/Other), and New Haven (0.2% Native American/Other).

Marthasville's Multiracial Population

64 residents of Marthasville, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Marthasville is slightly lower than in Missouri overall, where 4.8% of the population is Multiracial. Marthasville ranks 787th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Marthasville's Multiracial population has grown by an estimated 48.8%. Multiracial residents' share of Marthasville's population has decreased from 3.5% to 2.7%.

Marthasville is more Multiracial than neighboring Three Creeks (0% Multiracial), and Augusta (2.1% Multiracial). Marthasville is less Multiracial than neighboring Washington (4.9% Multiracial), Innsbrook (7.4% Multiracial), and New Haven (8.2% 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.