Keystone, SD Demographics

A map of Keystone's Population by Race

Keystone, South Dakota had a population of 240 in 2020. It was 86.7% White, 0.0% Black, 0.4% Asian, 5.8% Hispanic, 1.7% Native American/Other, and 5.4% Multiracial. This map presents the population of Keystone, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 486 places in South Dakota, Keystone is the 214th most populous. 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).

Keystone's White Population

208 residents of Keystone identify as White, or 86.7%. This makes the White share of the population of Keystone slightly larger than the White share of the population of South Dakota (79.6% White). Of the 486 places in South Dakota, Keystone is ranked #306 in terms of White residents as a share of the population.

Keystone is more White than neighboring Hill City (71.6% White), and Hermosa (83.2% White). Keystone is less White than neighboring Colonial Pine Hills (90.1% White), Johnson Siding (87.9% White), and Custer (90.2% White).

Keystone's Black Population

0 residents of Keystone identify as Black, or 0.0%. This makes the Black share of the population of Keystone roughly similar to the Black share of the population of South Dakota (2% Black). Of the 486 places in South Dakota, Keystone is ranked #183 in terms of Black residents as a share of the population.

Keystone is less Black than neighboring Hill City (0.5% Black), Colonial Pine Hills (0.2% Black), Johnson Siding (0.2% Black), Custer (0.9% Black), and Hermosa (0.3% Black).

Keystone's Asian Population

1 residents of Keystone identify as Asian, or 0.4%. This makes the Asian share of the population of Keystone roughly similar to the Asian share of the population of South Dakota (1.5% Asian). Of the 486 places in South Dakota, Keystone is ranked #111 in terms of Asian residents as a share of the population.

Keystone is less Asian than neighboring Hill City (0.7% Asian), Colonial Pine Hills (0.5% Asian), Johnson Siding (1.3% Asian), Custer (0.6% Asian), and Hermosa (1% Asian).

Keystone's Hispanic Population

14 residents of Keystone identify as Hispanic, or 5.8%. This makes the Hispanic share of the population of Keystone roughly similar to the Hispanic share of the population of South Dakota (4.4% Hispanic). Of the 486 places in South Dakota, Keystone is ranked #76 in terms of Hispanic residents as a share of the population.

Keystone is more Hispanic than neighboring Colonial Pine Hills (3.3% Hispanic), Johnson Siding (3.4% Hispanic), and Custer (3.4% Hispanic). Keystone is less Hispanic than neighboring Hill City (18.5% Hispanic), and Hermosa (6.3% Hispanic).

Keystone's Native American/Other Population

4 residents of Keystone identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.7%. This makes the Native American/Other share of the population of Keystone slightly less than the Native American/Other share of the population of South Dakota (8.7% Native American/Other). Of the 486 places in South Dakota, Keystone is ranked #227 in terms of Native American/Other residents as a share of the population.

Keystone is less Native American/Other than neighboring Hill City (4% Native American/Other), Johnson Siding (3.7% Native American/Other), Custer (1.8% Native American/Other), and Hermosa (5.5% Native American/Other).

Keystone's Multiracial Population

13 residents of Keystone identify as Multiracial, or 5.4%. This makes the Multiracial share of the population of Keystone roughly similar to the Multiracial share of the population of South Dakota (3.9% Multiracial). Of the 486 places in South Dakota, Keystone is ranked #94 in terms of Multiracial residents as a share of the population.

Keystone is more Multiracial than neighboring Hill City (4.8% Multiracial), Colonial Pine Hills (4.3% Multiracial), Johnson Siding (3.4% Multiracial), Custer (3.2% Multiracial), and Hermosa (3.7% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.