Sioux County Demographics

A map of Sioux County's Population by Race

Sioux County, Nebraska has an estimated population of 1,171, an increase from the 1,135 recorded in the 2020 Census. The population is 95.5% White, 2.1% Hispanic, 1.5% Multiracial, 0.6% Native American/Other, 0.2% Asian, and 0.1% Black. This demographic dot map shows the population of Sioux County, with one dot drawn for each person counted by the Census, color-coded by race.

Sioux has become less racially diverse since the 2020 Census. It is considerably less 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 Sioux County, that probability was 13.4% in 2020 and 8.8% in the most recent ACS estimates.

Sioux County is ranked the 81st most populous county in Nebraska, out of 93 counties. Sioux County was ranked the 81st most populous county in the 2020 Census.

Sioux County's White Population

1,118 residents of Sioux County, or 95.5% of the population, identify as White. The share of White residents in Sioux County is significantly higher than in Nebraska overall, where 75.3% of the population is White. Sioux County ranks 30th statewide in terms of White residents as a share of the population, out of 93 counties.

Since the 2020 Census, Sioux County's White population has grown by an estimated 6.0%. White residents' share of Sioux County's population has increased from 93.0% to 95.5%.

Sioux County is more White than neighboring Scotts Bluff County (70.7% White), Dawes County (85.8% White), Goshen County (84.5% White), Box Butte County (78.6% White), and Fall River County (83.9% White).

Sioux County's Black Population

1 residents of Sioux County, or 0.1% of the population, identify as Black. The share of Black residents in Sioux County is slightly lower than in Nebraska overall, where 4.6% of the population is Black. Sioux County ranks 82nd statewide in terms of Black residents as a share of the population, out of 93 counties.

Since the 2020 Census, Sioux County's Black population has grown from 0 to an estimated 1. Black residents' share of Sioux County's population has remained roughly unchanged at 0.1%.

Sioux County is more Black than neighboring Fall River County (0% Black). Sioux County is less Black than neighboring Scotts Bluff County (0.6% Black), Dawes County (0.5% Black), and Goshen County (0.2% Black).

Sioux County's Asian Population

2 residents of Sioux County, or 0.2% of the population, identify as Asian. The share of Asian residents in Sioux County is slightly lower than in Nebraska overall, where 2.6% of the population is Asian. Sioux County ranks 42nd statewide in terms of Asian residents as a share of the population, out of 93 counties.

Since the 2020 Census, Sioux County's Asian population has declined by an estimated 50.0%. Asian residents' share of Sioux County's population has remained roughly unchanged at 0.2%.

Sioux County is less Asian than neighboring Scotts Bluff County (0.7% Asian), Dawes County (1.1% Asian), Goshen County (0.6% Asian), Box Butte County (0.4% Asian), and Fall River County (1.9% Asian).

Sioux County's Hispanic Population

25 residents of Sioux County, or 2.1% of the population, identify as Hispanic. The share of Hispanic residents in Sioux County is considerably lower than in Nebraska overall, where 12.7% of the population is Hispanic. Sioux County ranks 52nd statewide in terms of Hispanic residents as a share of the population, out of 93 counties.

Since the 2020 Census, Sioux County's Hispanic population has declined by an estimated 41.9%. Hispanic residents' share of Sioux County's population has decreased from 3.8% to 2.1%.

Sioux County is less Hispanic than neighboring Scotts Bluff County (23.9% Hispanic), Dawes County (5% Hispanic), Goshen County (10.2% Hispanic), Box Butte County (12.6% Hispanic), and Fall River County (3.4% Hispanic).

Sioux County's Native American/Other Population

7 residents of Sioux County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sioux County is comparable to the share in Nebraska overall, where 1% of the population is Native American/Other. Sioux County ranks 32nd statewide in terms of Native American/Other residents as a share of the population, out of 93 counties.

Since the 2020 Census, Sioux County's Native American/Other population has declined by an estimated 12.5%. Native American/Other residents' share of Sioux County's population has remained roughly unchanged at 0.6%.

Sioux County is less Native American/Other than neighboring Scotts Bluff County (1.7% Native American/Other), Dawes County (2.8% Native American/Other), Goshen County (1.3% Native American/Other), Box Butte County (2.5% Native American/Other), and Fall River County (6% Native American/Other).

Sioux County's Multiracial Population

18 residents of Sioux County, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Sioux County is slightly lower than in Nebraska overall, where 3.8% of the population is Multiracial. Sioux County ranks 60th statewide in terms of Multiracial residents as a share of the population, out of 93 counties.

Since the 2020 Census, Sioux County's Multiracial population has declined by an estimated 28.0%. Multiracial residents' share of Sioux County's population has decreased from 2.2% to 1.5%.

Sioux County is less Multiracial than neighboring Scotts Bluff County (2.5% Multiracial), Dawes County (4.8% Multiracial), Goshen County (3.2% Multiracial), Box Butte County (5.7% Multiracial), and Fall River County (4.7% 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.