Letcher, SD Demographics

A map of Letcher's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	153	134	89.5%	84.3%
Multiracial	8	14	4.7%	8.8%
Hispanic	5	3	2.9%	1.9%
Native American/Other	5	6	2.9%	3.8%
Black	0	0	0.0%	0.0%
Asian	0	2	0.0%	1.3%

Letcher, South Dakota has an estimated population of 171, an increase from the 159 recorded in the 2020 Census. The population is 89.5% White, 4.7% Multiracial, 2.9% Hispanic, 2.9% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Letcher, with one dot drawn for each person counted by the Census, color-coded by race.

Letcher has become considerably 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 Letcher, that probability was 28.0% in 2020 and 19.6% in the most recent ACS estimates.

Letcher is ranked the 250th 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). Letcher was ranked the 252nd most populous place in the 2020 Census.

Letcher's White Population

153 residents of Letcher, or 89.5% of the population, identify as White. The share of White residents in Letcher is higher than in South Dakota overall, where 79.8% of the population is White. Letcher ranks 330th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Letcher's White population has grown by an estimated 14.2%. White residents' share of Letcher's population has increased from 84.3% to 89.5%.

Letcher is more White than neighboring Woonsocket (87.7% White), and Mitchell (87.6% White). Letcher is less White than neighboring Loomis (100% White), Forestburg (100% White), and Upland Colony (100% White).

Letcher's Black Population

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

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

Letcher is less Black than neighboring Mitchell (0.5% Black).

Letcher's Asian Population

0 residents of Letcher, or 0.0% of the population, identify as Asian. The share of Asian residents in Letcher is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Letcher ranks 35th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Letcher's Asian population has declined by an estimated 100.0%. Asian residents' share of Letcher's population has decreased from 1.3% to 0.0%.

Letcher is less Asian than neighboring Mitchell (0.6% Asian).

Letcher's Hispanic Population

5 residents of Letcher, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Letcher is comparable to the share in South Dakota overall, where 4.8% of the population is Hispanic. Letcher ranks 268th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Letcher's Hispanic population has grown by an estimated 66.7%. Hispanic residents' share of Letcher's population has increased from 1.9% to 2.9%.

Letcher is more Hispanic than neighboring Loomis (0% Hispanic), Forestburg (0% Hispanic), and Upland Colony (0% Hispanic). Letcher is less Hispanic than neighboring Woonsocket (4.2% Hispanic), and Mitchell (5.6% Hispanic).

Letcher's Native American/Other Population

5 residents of Letcher, or 2.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Letcher is slightly lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Letcher ranks 145th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Letcher's Native American/Other population has declined by an estimated 16.7%. Native American/Other residents' share of Letcher's population has decreased from 3.8% to 2.9%.

Letcher is more Native American/Other than neighboring Loomis (0% Native American/Other), Forestburg (0% Native American/Other), and Upland Colony (0% Native American/Other). Letcher is less Native American/Other than neighboring Woonsocket (6.5% Native American/Other), and Mitchell (3.8% Native American/Other).

Letcher's Multiracial Population

8 residents of Letcher, or 4.7% of the population, identify as Multiracial. The share of Multiracial residents in Letcher is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Letcher ranks 31st statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Letcher's Multiracial population has declined by an estimated 42.9%. Multiracial residents' share of Letcher's population has decreased from 8.8% to 4.7%.

Letcher is more Multiracial than neighboring Loomis (0% Multiracial), Forestburg (0% Multiracial), Upland Colony (0% Multiracial), Woonsocket (1.6% Multiracial), and Mitchell (1.8% 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.