Sergeant Bluff, IA Demographics

A map of Sergeant Bluff's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,504	4,251	87.1%	84.8%
Asian	374	141	7.2%	2.8%
Hispanic	166	319	3.2%	6.4%
Multiracial	79	163	1.5%	3.3%
Black	48	78	0.9%	1.6%
Native American/Other	0	63	0.0%	1.3%

Sergeant Bluff, Iowa has an estimated population of 5,171, an increase from the 5,015 recorded in the 2020 Census. The population is 87.1% White, 7.2% Asian, 3.2% Hispanic, 1.5% Multiracial, 0.9% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Sergeant Bluff, with one dot drawn for each person counted by the Census, color-coded by race.

Sergeant Bluff has become less racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Sergeant Bluff, that probability was 27.5% in 2020 and 23.5% in the most recent ACS estimates.

Sergeant Bluff is ranked the 82nd most populous place in Iowa, out of 1,026 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). Sergeant Bluff was ranked the 85th most populous place in the 2020 Census.

Sergeant Bluff's White Population

4,504 residents of Sergeant Bluff, or 87.1% of the population, identify as White. The share of White residents in Sergeant Bluff is slightly higher than in Iowa overall, where 82.3% of the population is White. Sergeant Bluff ranks 903rd statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sergeant Bluff's White population has grown by an estimated 6.0%. White residents' share of Sergeant Bluff's population has increased from 84.8% to 87.1%.

Sergeant Bluff is more White than neighboring Dakota City (52.1% White), South Sioux City (26.6% White), and Sioux City (61.8% White). Sergeant Bluff is less White than neighboring Salix (97.5% White), and Bronson (93.6% White).

Sergeant Bluff's Black Population

48 residents of Sergeant Bluff, or 0.9% of the population, identify as Black. The share of Black residents in Sergeant Bluff is slightly lower than in Iowa overall, where 3.8% of the population is Black. Sergeant Bluff ranks 127th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sergeant Bluff's Black population has declined by an estimated 38.5%. Black residents' share of Sergeant Bluff's population has decreased from 1.6% to 0.9%.

Sergeant Bluff is more Black than neighboring Dakota City (0.1% Black), Salix (0% Black), and Bronson (0% Black). Sergeant Bluff is less Black than neighboring South Sioux City (13.3% Black), and Sioux City (5.9% Black).

Sergeant Bluff's Asian Population

374 residents of Sergeant Bluff, or 7.2% of the population, identify as Asian. The share of Asian residents in Sergeant Bluff is slightly higher than in Iowa overall, where 2.5% of the population is Asian. Sergeant Bluff ranks 45th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sergeant Bluff's Asian population has grown by an estimated 165.2%. Asian residents' share of Sergeant Bluff's population has increased from 2.8% to 7.2%.

Sergeant Bluff is more Asian than neighboring Dakota City (3.7% Asian), South Sioux City (3.4% Asian), Salix (0% Asian), Sioux City (2.4% Asian), and Bronson (0% Asian).

Sergeant Bluff's Hispanic Population

166 residents of Sergeant Bluff, or 3.2% of the population, identify as Hispanic. The share of Hispanic residents in Sergeant Bluff is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Sergeant Bluff ranks 166th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sergeant Bluff's Hispanic population has declined by an estimated 48.0%. Hispanic residents' share of Sergeant Bluff's population has decreased from 6.4% to 3.2%.

Sergeant Bluff is more Hispanic than neighboring Salix (1.7% Hispanic), and Bronson (2.2% Hispanic). Sergeant Bluff is less Hispanic than neighboring Dakota City (38.2% Hispanic), South Sioux City (52.8% Hispanic), and Sioux City (22.6% Hispanic).

Sergeant Bluff's Native American/Other Population

0 residents of Sergeant Bluff, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sergeant Bluff is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Sergeant Bluff ranks 101st statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sergeant Bluff's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Sergeant Bluff's population has decreased from 1.3% to 0.0%.

Sergeant Bluff is less Native American/Other than neighboring Dakota City (1.6% Native American/Other), South Sioux City (2.2% Native American/Other), Salix (0.2% Native American/Other), Sioux City (2.7% Native American/Other), and Bronson (0.6% Native American/Other).

Sergeant Bluff's Multiracial Population

79 residents of Sergeant Bluff, or 1.5% of the population, identify as Multiracial. The share of Multiracial residents in Sergeant Bluff is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Sergeant Bluff ranks 354th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Sergeant Bluff's Multiracial population has declined by an estimated 51.5%. Multiracial residents' share of Sergeant Bluff's population has decreased from 3.3% to 1.5%.

Sergeant Bluff is more Multiracial than neighboring Salix (0.5% Multiracial). Sergeant Bluff is less Multiracial than neighboring Dakota City (4.4% Multiracial), South Sioux City (1.8% Multiracial), Sioux City (4.7% Multiracial), and Bronson (3.5% 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.