Iroquois, SD Demographics

A map of Iroquois's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	350	286	90.0%	97.9%
Native American/Other	21	1	5.4%	0.3%
Multiracial	15	2	3.9%	0.7%
Asian	3	0	0.8%	0.0%
Black	0	0	0.0%	0.0%
Hispanic	0	3	0.0%	1.0%

Iroquois, South Dakota has an estimated population of 389, a dramatic increase from the 292 recorded in the 2020 Census. The population is 90.0% White, 5.4% Native American/Other, 3.9% Multiracial, 0.8% Asian, 0.0% Black, and 0.0% Hispanic. This demographic dot map shows the population of Iroquois, with one dot drawn for each person counted by the Census, color-coded by race.

Iroquois has become considerably 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 Iroquois, that probability was 4.0% in 2020 and 18.6% in the most recent ACS estimates.

Iroquois is ranked the 173rd 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). Iroquois was ranked the 197th most populous place in the 2020 Census.

Iroquois's White Population

350 residents of Iroquois, or 90.0% of the population, identify as White. The share of White residents in Iroquois is considerably higher than in South Dakota overall, where 79.8% of the population is White. Iroquois ranks 46th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Iroquois's White population has grown by an estimated 22.4%. White residents' share of Iroquois's population has decreased from 97.9% to 90.0%.

Iroquois is more White than neighboring Pearl Creek Colony (0% White), Cavour (80.1% White), and Collins Colony (0% White). Iroquois is less White than neighboring Yale (95.9% White), and Bancroft (100% White).

Iroquois's Black Population

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

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

Iroquois's Asian Population

3 residents of Iroquois, or 0.8% of the population, identify as Asian. The share of Asian residents in Iroquois is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Iroquois ranks 176th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Iroquois's Asian population has grown from 0 to an estimated 3. Asian residents' share of Iroquois's population has increased from 0.0% to 0.8%.

Iroquois is more Asian than neighboring Pearl Creek Colony (0% Asian), Yale (0% Asian), Bancroft (0% Asian), Cavour (0% Asian), and Collins Colony (0% Asian).

Iroquois's Hispanic Population

0 residents of Iroquois, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Iroquois is slightly lower than in South Dakota overall, where 4.8% of the population is Hispanic. Iroquois ranks 343rd statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Iroquois's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Iroquois's population has decreased from 1.0% to 0.0%.

Iroquois is less Hispanic than neighboring Yale (4.1% Hispanic).

Iroquois's Native American/Other Population

21 residents of Iroquois, or 5.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Iroquois is slightly lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Iroquois ranks 338th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Iroquois's Native American/Other population has grown by an estimated 2000.0%. Native American/Other residents' share of Iroquois's population has increased from 0.3% to 5.4%.

Iroquois is more Native American/Other than neighboring Pearl Creek Colony (0% Native American/Other), Yale (0% Native American/Other), Bancroft (0% Native American/Other), and Collins Colony (0% Native American/Other). Iroquois is less Native American/Other than neighboring Cavour (7% Native American/Other).

Iroquois's Multiracial Population

15 residents of Iroquois, or 3.9% of the population, identify as Multiracial. The share of Multiracial residents in Iroquois is comparable to the share in South Dakota overall, where 4.4% of the population is Multiracial. Iroquois ranks 392nd statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Iroquois's Multiracial population has grown by an estimated 650.0%. Multiracial residents' share of Iroquois's population has increased from 0.7% to 3.9%.

Iroquois is more Multiracial than neighboring Pearl Creek Colony (0% Multiracial), Yale (0% Multiracial), Bancroft (0% Multiracial), and Collins Colony (0% Multiracial). Iroquois is less Multiracial than neighboring Cavour (12.9% 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.