Platte, SD Demographics

A map of Platte's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,085	1,202	93.5%	92.7%
Hispanic	21	31	1.8%	2.4%
Native American/Other	20	12	1.7%	0.9%
Asian	19	5	1.6%	0.4%
Multiracial	16	43	1.4%	3.3%
Black	0	3	0.0%	0.2%

Platte, South Dakota has an estimated population of 1,161, a large decrease from the 1,296 recorded in the 2020 Census. The population is 93.5% White, 1.8% Hispanic, 1.7% Native American/Other, 1.6% Asian, 1.4% Multiracial, and 0.0% Black. This demographic dot map shows the population of Platte, with one dot drawn for each person counted by the Census, color-coded by race.

Platte has become 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 Platte, that probability was 13.8% in 2020 and 12.6% in the most recent ACS estimates.

Platte is ranked the 70th 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). Platte was ranked the 56th most populous place in the 2020 Census.

Platte's White Population

1,085 residents of Platte, or 93.5% of the population, identify as White. The share of White residents in Platte is considerably higher than in South Dakota overall, where 79.8% of the population is White. Platte ranks 166th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Platte's White population has declined by an estimated 9.7%. White residents' share of Platte's population has increased from 92.7% to 93.5%.

Platte is more White than neighboring Cedar Grove Colony (0% White), Geddes (86.7% White), and Grass Ranch Colony (0% White). Platte is less White than neighboring New Holland (100% White), and Aurora Center (100% White).

Platte's Black Population

0 residents of Platte, or 0.0% of the population, identify as Black. The share of Black residents in Platte is slightly lower than in South Dakota overall, where 2.1% of the population is Black. Platte ranks 141st statewide in terms of Black residents as a share of the population, out of 485 places.

Since the 2020 Census, Platte's Black population has declined by an estimated 100.0%. Black residents' share of Platte's population has remained roughly unchanged at 0.0%.

Platte's Asian Population

19 residents of Platte, or 1.6% of the population, identify as Asian. The share of Asian residents in Platte is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Platte ranks 118th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Platte's Asian population has grown by an estimated 280.0%. Asian residents' share of Platte's population has increased from 0.4% to 1.6%.

Platte is more Asian than neighboring Cedar Grove Colony (0% Asian), Geddes (0% Asian), New Holland (0% Asian), Grass Ranch Colony (0% Asian), and Aurora Center (0% Asian).

Platte's Hispanic Population

21 residents of Platte, or 1.8% of the population, identify as Hispanic. The share of Hispanic residents in Platte is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Platte ranks 217th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Platte's Hispanic population has declined by an estimated 32.3%. Hispanic residents' share of Platte's population has decreased from 2.4% to 1.8%.

Platte is more Hispanic than neighboring Cedar Grove Colony (0% Hispanic), Geddes (0% Hispanic), New Holland (0% Hispanic), Grass Ranch Colony (0% Hispanic), and Aurora Center (0% Hispanic).

Platte's Native American/Other Population

20 residents of Platte, or 1.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Platte is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Platte ranks 289th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Platte's Native American/Other population has grown by an estimated 66.7%. Native American/Other residents' share of Platte's population has increased from 0.9% to 1.7%.

Platte is more Native American/Other than neighboring Cedar Grove Colony (0% Native American/Other), Geddes (0% Native American/Other), New Holland (0% Native American/Other), Grass Ranch Colony (0% Native American/Other), and Aurora Center (0% Native American/Other).

Platte's Multiracial Population

16 residents of Platte, or 1.4% of the population, identify as Multiracial. The share of Multiracial residents in Platte is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Platte ranks 195th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Platte's Multiracial population has declined by an estimated 62.8%. Multiracial residents' share of Platte's population has decreased from 3.3% to 1.4%.

Platte is more Multiracial than neighboring Cedar Grove Colony (0% Multiracial), New Holland (0% Multiracial), Grass Ranch Colony (0% Multiracial), and Aurora Center (0% Multiracial). Platte is less Multiracial than neighboring Geddes (13.3% 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.