South Sioux City, NE Demographics

A map of South Sioux City's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	7,349	7,122	52.8%	50.7%
White	3,695	4,194	26.6%	29.9%
Black	1,844	1,560	13.3%	11.1%
Asian	466	369	3.4%	2.6%
Native American/Other	308	482	2.2%	3.4%
Multiracial	245	316	1.8%	2.3%

South Sioux City, Nebraska has an estimated population of 13,907, a less than 1% change from the 14,043 recorded in the 2020 Census. The population is 52.8% Hispanic, 26.6% White, 13.3% Black, 3.4% Asian, 2.2% Native American/Other, and 1.8% Multiracial. This demographic dot map shows the population of South Sioux City, with one dot drawn for each person counted by the Census, color-coded by race.

South Sioux City has become slightly less racially diverse since the 2020 Census. It is considerably more diverse than Nebraska overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In South Sioux City, that probability was 63.9% in 2020 and 63.1% in the most recent ACS estimates.

South Sioux City is ranked the 14th most populous place in Nebraska, out of 593 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). South Sioux City was ranked the 14th most populous place in the 2020 Census.

South Sioux City's White Population

3,695 residents of South Sioux City, or 26.6% of the population, identify as White. The share of White residents in South Sioux City is significantly lower than in Nebraska overall, where 75.3% of the population is White. South Sioux City ranks 583rd statewide in terms of White residents as a share of the population, out of 593 places.

Since the 2020 Census, South Sioux City's White population has declined by an estimated 11.9%. White residents' share of South Sioux City's population has decreased from 29.9% to 26.6%.

South Sioux City is less White than neighboring Sioux City (61.8% White), Dakota City (52.1% White), Dakota Dunes (89% White), Sergeant Bluff (87.1% White), and North Sioux City (79.3% White).

South Sioux City's Black Population

1,844 residents of South Sioux City, or 13.3% of the population, identify as Black. The share of Black residents in South Sioux City is higher than in Nebraska overall, where 4.6% of the population is Black. South Sioux City ranks 4th statewide in terms of Black residents as a share of the population, out of 593 places.

Since the 2020 Census, South Sioux City's Black population has grown by an estimated 18.2%. Black residents' share of South Sioux City's population has increased from 11.1% to 13.3%.

South Sioux City is more Black than neighboring Sioux City (5.9% Black), Dakota City (0.1% Black), Dakota Dunes (0% Black), Sergeant Bluff (0.9% Black), and North Sioux City (4.5% Black).

South Sioux City's Asian Population

466 residents of South Sioux City, or 3.4% of the population, identify as Asian. The share of Asian residents in South Sioux City is comparable to the share in Nebraska overall, where 2.6% of the population is Asian. South Sioux City ranks 14th statewide in terms of Asian residents as a share of the population, out of 593 places.

Since the 2020 Census, South Sioux City's Asian population has grown by an estimated 26.3%. Asian residents' share of South Sioux City's population has increased from 2.6% to 3.4%.

South Sioux City is more Asian than neighboring Sioux City (2.4% Asian), Dakota Dunes (0% Asian), and North Sioux City (3.2% Asian). South Sioux City is less Asian than neighboring Dakota City (3.7% Asian), and Sergeant Bluff (7.2% Asian).

South Sioux City's Hispanic Population

7,349 residents of South Sioux City, or 52.8% of the population, identify as Hispanic. The share of Hispanic residents in South Sioux City is significantly higher than in Nebraska overall, where 12.7% of the population is Hispanic. South Sioux City ranks 4th statewide in terms of Hispanic residents as a share of the population, out of 593 places.

Since the 2020 Census, South Sioux City's Hispanic population has grown by an estimated 3.2%. Hispanic residents' share of South Sioux City's population has increased from 50.7% to 52.8%.

South Sioux City is more Hispanic than neighboring Sioux City (22.6% Hispanic), Dakota City (38.2% Hispanic), Dakota Dunes (9% Hispanic), Sergeant Bluff (3.2% Hispanic), and North Sioux City (7% Hispanic).

South Sioux City's Native American/Other Population

308 residents of South Sioux City, or 2.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in South Sioux City is comparable to the share in Nebraska overall, where 1% of the population is Native American/Other. South Sioux City ranks 41st statewide in terms of Native American/Other residents as a share of the population, out of 593 places.

Since the 2020 Census, South Sioux City's Native American/Other population has declined by an estimated 36.1%. Native American/Other residents' share of South Sioux City's population has decreased from 3.4% to 2.2%.

South Sioux City is more Native American/Other than neighboring Dakota City (1.6% Native American/Other), Dakota Dunes (0.6% Native American/Other), Sergeant Bluff (0% Native American/Other), and North Sioux City (0.6% Native American/Other). South Sioux City is less Native American/Other than neighboring Sioux City (2.7% Native American/Other).

South Sioux City's Multiracial Population

245 residents of South Sioux City, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in South Sioux City is comparable to the share in Nebraska overall, where 3.8% of the population is Multiracial. South Sioux City ranks 361st statewide in terms of Multiracial residents as a share of the population, out of 593 places.

Since the 2020 Census, South Sioux City's Multiracial population has declined by an estimated 22.5%. Multiracial residents' share of South Sioux City's population has remained roughly unchanged at 1.8%.

South Sioux City is more Multiracial than neighboring Dakota Dunes (1.4% Multiracial), and Sergeant Bluff (1.5% Multiracial). South Sioux City is less Multiracial than neighboring Sioux City (4.7% Multiracial), Dakota City (4.4% Multiracial), and North Sioux City (5.5% 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.