Green Grass, SD Demographics

A map of Green Grass's Population by Race

Green Grass, South Dakota has an estimated population of 78, a dramatic increase from the 21 recorded in the 2020 Census. The population is 100.0% Native American/Other, 0.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Multiracial. This demographic dot map shows the population of Green Grass, with one dot drawn for each person counted by the Census, color-coded by race.

Green Grass 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 Green Grass, that probability was 25.4% in 2020 and 0.0% in the most recent ACS estimates.

Green Grass is ranked the 327th 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). Green Grass was ranked the 436th most populous place in the 2020 Census.

Green Grass's White Population

0 residents of Green Grass, or 0.0% of the population, identify as White. The share of White residents in Green Grass is significantly lower than in South Dakota overall, where 79.8% of the population is White. Green Grass ranks 438th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Green Grass's White population has declined by an estimated 100.0%. White residents' share of Green Grass's population has decreased from 9.5% to 0.0%.

Green Grass is less White than neighboring North Eagle Butte (0.5% White), Eagle Butte (6.4% White), Lantry (100% White), Isabel (72.9% White), and Timber Lake (48.1% White).

Green Grass's Black Population

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

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

Green Grass is less Black than neighboring North Eagle Butte (0.2% Black), Eagle Butte (1.1% Black), Isabel (0.9% Black), and Timber Lake (0.8% Black).

Green Grass's Asian Population

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

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

Green Grass is less Asian than neighboring Timber Lake (0.4% Asian).

Green Grass's Hispanic Population

0 residents of Green Grass, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Green Grass is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Green Grass ranks 389th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

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

Green Grass is less Hispanic than neighboring North Eagle Butte (0.7% Hispanic), Eagle Butte (3% Hispanic), and Timber Lake (1.5% Hispanic).

Green Grass's Native American/Other Population

78 residents of Green Grass, or 100.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Green Grass is significantly higher than in South Dakota overall, where 7.5% of the population is Native American/Other. Green Grass ranks 40th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Green Grass's Native American/Other population has grown by an estimated 333.3%. Native American/Other residents' share of Green Grass's population has increased from 85.7% to 100.0%.

Green Grass is more Native American/Other than neighboring North Eagle Butte (98.1% Native American/Other), Eagle Butte (87.4% Native American/Other), Lantry (0% Native American/Other), Isabel (21% Native American/Other), and Timber Lake (40.1% Native American/Other).

Green Grass's Multiracial Population

0 residents of Green Grass, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Green Grass is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Green Grass ranks 123rd statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Green Grass's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Green Grass's population has decreased from 4.8% to 0.0%.

Green Grass is less Multiracial than neighboring North Eagle Butte (0.5% Multiracial), Eagle Butte (2.1% Multiracial), Isabel (5.1% Multiracial), and Timber Lake (9.1% 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.