Mount Vernon, SD Demographics

A map of Mount Vernon's Population by Race

Mount Vernon, South Dakota has an estimated population of 442, a decrease from the 461 recorded in the 2020 Census. The population is 92.1% White, 4.5% Native American/Other, 3.4% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Hispanic. This demographic dot map shows the population of Mount Vernon, with one dot drawn for each person counted by the Census, color-coded by race.

Mount Vernon has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than South Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mount Vernon, that probability was 15.6% in 2020 and 14.9% in the most recent ACS estimates.

Mount Vernon is ranked the 164th most populous place in South Dakota, out of 485 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). Mount Vernon was ranked the 158th most populous place in the 2020 Census.

Mount Vernon's White Population

407 residents of Mount Vernon, or 92.1% of the population, identify as White. The share of White residents in Mount Vernon is considerably higher than in South Dakota overall, where 79.8% of the population is White. Mount Vernon ranks 195th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Mount Vernon's White population has declined by an estimated 3.8%. White residents' share of Mount Vernon's population has remained roughly unchanged at 92.1%.

Mount Vernon is more White than neighboring Storla (0% White), Stickney (91.9% White), Letcher (89.5% White), and Plankinton (79.6% White). Mount Vernon is less White than neighboring Loomis (100% White).

Mount Vernon's Black Population

0 residents of Mount Vernon, or 0.0% of the population, identify as Black. The share of Black residents in Mount Vernon is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Mount Vernon ranks 183rd statewide in terms of Black residents as a share of the population, out of 485 places.

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

Mount Vernon's Asian Population

0 residents of Mount Vernon, or 0.0% of the population, identify as Asian. The share of Asian residents in Mount Vernon is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Mount Vernon ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.

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

Mount Vernon is less Asian than neighboring Stickney (1.1% Asian), and Plankinton (0.3% Asian).

Mount Vernon's Hispanic Population

0 residents of Mount Vernon, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Mount Vernon is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Mount Vernon ranks 276th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Mount Vernon's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Mount Vernon's population has decreased from 1.7% to 0.0%.

Mount Vernon is less Hispanic than neighboring Letcher (2.9% Hispanic), and Plankinton (18.9% Hispanic).

Mount Vernon's Native American/Other Population

20 residents of Mount Vernon, or 4.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mount Vernon is slightly lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Mount Vernon ranks 195th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Mount Vernon's Native American/Other population has grown by an estimated 81.8%. Native American/Other residents' share of Mount Vernon's population has increased from 2.4% to 4.5%.

Mount Vernon is more Native American/Other than neighboring Storla (0% Native American/Other), Loomis (0% Native American/Other), Stickney (0% Native American/Other), Letcher (2.9% Native American/Other), and Plankinton (0% Native American/Other).

Mount Vernon's Multiracial Population

15 residents of Mount Vernon, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Mount Vernon is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Mount Vernon ranks 153rd statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Mount Vernon's Multiracial population has declined by an estimated 21.1%. Multiracial residents' share of Mount Vernon's population has decreased from 4.1% to 3.4%.

Mount Vernon is more Multiracial than neighboring Storla (0% Multiracial), Loomis (0% Multiracial), and Plankinton (1.2% Multiracial). Mount Vernon is less Multiracial than neighboring Stickney (7% Multiracial), and Letcher (4.7% 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.