Eureka, SD Demographics

A map of Eureka's Population by Race

Eureka, South Dakota had a population of 813 in 2020. It was 92.6% White, 0.0% Black, 0.4% Asian, 1.4% Hispanic, 1.5% Native American/Other, and 4.2% Multiracial. This map presents the population of Eureka, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 486 places in South Dakota, Eureka is the 93rd 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).

Eureka's White Population

753 residents of Eureka identify as White, or 92.6%. This makes the White share of the population of Eureka larger than the White share of the population of South Dakota (79.6% White). Of the 486 places in South Dakota, Eureka is ranked #167 in terms of White residents as a share of the population.

Eureka is more White than neighboring Artas (85.7% White). Eureka is less White than neighboring Hillsview (100% White), Venturia (95.2% White), Hosmer (98.2% White), and Zeeland (95.1% White).

Eureka's Black Population

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

Eureka is less Black than neighboring Hosmer (0.6% Black).

Eureka's Asian Population

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

Eureka is more Asian than neighboring Hillsview (0% Asian), Artas (0% Asian), Venturia (0% Asian), and Hosmer (0% Asian). Eureka is less Asian than neighboring Zeeland (1.2% Asian).

Eureka's Hispanic Population

11 residents of Eureka identify as Hispanic, or 1.4%. This makes the Hispanic share of the population of Eureka roughly similar to the Hispanic share of the population of South Dakota (4.4% Hispanic). Of the 486 places in South Dakota, Eureka is ranked #298 in terms of Hispanic residents as a share of the population.

Eureka is more Hispanic than neighboring Hillsview (0% Hispanic), Venturia (0% Hispanic), Hosmer (0% Hispanic), and Zeeland (0% Hispanic). Eureka is less Hispanic than neighboring Artas (14.3% Hispanic).

Eureka's Native American/Other Population

12 residents of Eureka identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.5%. This makes the Native American/Other share of the population of Eureka 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, Eureka is ranked #245 in terms of Native American/Other residents as a share of the population.

Eureka is more Native American/Other than neighboring Hillsview (0% Native American/Other), Artas (0% Native American/Other), Venturia (0% Native American/Other), Hosmer (0% Native American/Other), and Zeeland (0% Native American/Other).

Eureka's Multiracial Population

34 residents of Eureka identify as Multiracial, or 4.2%. This makes the Multiracial share of the population of Eureka roughly similar to the Multiracial share of the population of South Dakota (3.9% Multiracial). Of the 486 places in South Dakota, Eureka is ranked #147 in terms of Multiracial residents as a share of the population.

Eureka is more Multiracial than neighboring Hillsview (0% Multiracial), Artas (0% Multiracial), Hosmer (1.2% Multiracial), and Zeeland (3.7% Multiracial). Eureka is less Multiracial than neighboring Venturia (4.8% Multiracial).

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