Spencer, ID Demographics
A map of Spencer's Population by Race
Spencer, Idaho has an estimated population of 19, a dramatic decrease from the 31 recorded in the 2020 Census. The population is 52.6% White, 42.1% Hispanic, 5.3% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. 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 considerably more racially diverse since the 2020 Census. It is considerably more diverse than Idaho 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 27.1% in 2020 and 54.3% in the most recent ACS estimates.
Spencer is ranked the 229th most populous place in Idaho, out of 236 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 233rd most populous place in the 2020 Census.
Spencer's White Population
10 residents of Spencer, or 52.6% of the population, identify as White. The share of White residents in Spencer is significantly lower than in Idaho overall, where 78.6% of the population is White. Spencer ranks 131st statewide in terms of White residents as a share of the population, out of 236 places.
Since the 2020 Census, Spencer's White population has declined by an estimated 61.5%. White residents' share of Spencer's population has decreased from 83.9% to 52.6%.
Spencer is less White than neighboring Dubois (69.1% White), Lakeview (75% White), Hamer (76.3% White), Lima (100% White), and Parker (93.9% 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 comparable to the share in Idaho overall, where 0.7% of the population is Black. Spencer ranks 134th statewide in terms of Black residents as a share of the population, out of 236 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 Parker (0.3% 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 Idaho overall, where 1.3% of the population is Asian. Spencer ranks 168th statewide in terms of Asian residents as a share of the population, out of 236 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
8 residents of Spencer, or 42.1% of the population, identify as Hispanic. The share of Hispanic residents in Spencer is significantly higher than in Idaho overall, where 13.6% of the population is Hispanic. Spencer ranks 233rd statewide in terms of Hispanic residents as a share of the population, out of 236 places.
Since the 2020 Census, Spencer's Hispanic population has grown from 0 to an estimated 8. Hispanic residents' share of Spencer's population has increased from 0.0% to 42.1%.
Spencer is more Hispanic than neighboring Dubois (30.8% Hispanic), Lakeview (0% Hispanic), Hamer (16.9% Hispanic), Lima (0% Hispanic), and Parker (4% Hispanic).
Spencer's Native American/Other Population
0 residents of Spencer, 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 Spencer is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Spencer ranks 206th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.
Since the 2020 Census, Spencer's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Spencer's population has remained roughly unchanged at 0.0%.
Spencer is less Native American/Other than neighboring Dubois (0.2% Native American/Other), Lakeview (12.5% Native American/Other), Hamer (3.4% Native American/Other), and Parker (0.2% Native American/Other).
Spencer's Multiracial Population
1 residents of Spencer, or 5.3% of the population, identify as Multiracial. The share of Multiracial residents in Spencer is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Spencer ranks 3rd statewide in terms of Multiracial residents as a share of the population, out of 236 places.
Since the 2020 Census, Spencer's Multiracial population has declined by an estimated 80.0%. Multiracial residents' share of Spencer's population has decreased from 16.1% to 5.3%.
Spencer is more Multiracial than neighboring Dubois (0% Multiracial), Hamer (3.4% Multiracial), Lima (0% Multiracial), and Parker (1.6% Multiracial). Spencer is less Multiracial than neighboring Lakeview (12.5% 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.