Spencer, SD Demographics

A map of Spencer's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	99	132	96.1%	97.1%
Multiracial	2	0	1.9%	0.0%
Hispanic	1	0	1.0%	0.0%
Native American/Other	1	4	1.0%	2.9%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%

Spencer, South Dakota has an estimated population of 103, a large decrease from the 136 recorded in the 2020 Census. The population is 96.1% White, 1.9% Multiracial, 1.0% Hispanic, 1.0% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Spencer, with one dot drawn for each person counted by the Census, color-coded by race.

Spencer has become more 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 Spencer, that probability was 5.7% in 2020 and 7.6% in the most recent ACS estimates.

Spencer is ranked the 300th 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). Spencer was ranked the 270th most populous place in the 2020 Census.

Spencer's White Population

99 residents of Spencer, or 96.1% of the population, identify as White. The share of White residents in Spencer is significantly higher than in South Dakota overall, where 79.8% of the population is White. Spencer ranks 61st statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Spencer's White population has declined by an estimated 25.0%. White residents' share of Spencer's population has decreased from 97.1% to 96.1%.

Spencer is more White than neighboring Farmer (87.1% White), Emery (95.2% White), and Bridgewater (93.6% White). Spencer is less White than neighboring Golden View Colony (100% White), and Canova (96.9% White).

Spencer's Black Population

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

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

Spencer is less Black than neighboring Canova (3.1% Black).

Spencer's Asian Population

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

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

Spencer's Hispanic Population

1 residents of Spencer, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Spencer is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Spencer ranks 389th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Spencer's Hispanic population has grown from 0 to an estimated 1. Hispanic residents' share of Spencer's population has increased from 0.0% to 1.0%.

Spencer is more Hispanic than neighboring Farmer (0% Hispanic), Emery (0.2% Hispanic), Golden View Colony (0% Hispanic), and Canova (0% Hispanic). Spencer is less Hispanic than neighboring Bridgewater (2% Hispanic).

Spencer's Native American/Other Population

1 residents of Spencer, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Spencer is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Spencer ranks 169th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Spencer's Native American/Other population has declined by an estimated 75.0%. Native American/Other residents' share of Spencer's population has decreased from 2.9% to 1.0%.

Spencer is more Native American/Other than neighboring Farmer (0% Native American/Other), Emery (0% Native American/Other), Golden View Colony (0% Native American/Other), and Canova (0% Native American/Other). Spencer is less Native American/Other than neighboring Bridgewater (1.8% Native American/Other).

Spencer's Multiracial Population

2 residents of Spencer, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Spencer is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Spencer ranks 405th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Spencer's Multiracial population has grown from 0 to an estimated 2. Multiracial residents' share of Spencer's population has increased from 0.0% to 1.9%.

Spencer is more Multiracial than neighboring Golden View Colony (0% Multiracial), and Canova (0% Multiracial). Spencer is less Multiracial than neighboring Farmer (12.9% Multiracial), Emery (4.6% Multiracial), and Bridgewater (2.7% 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.