River Sioux, IA Demographics

A map of River Sioux's Population by Race

River Sioux, Iowa has an estimated population of 7, a dramatic decrease from the 42 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of River Sioux, with one dot drawn for each person counted by the Census, color-coded by race.

River Sioux has become considerably 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 River Sioux, that probability was 13.5% in 2020 and 0.0% in the most recent ACS estimates.

River Sioux is ranked the 1013th 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). River Sioux was ranked the 971st most populous place in the 2020 Census.

River Sioux's White Population

7 residents of River Sioux, or 100.0% of the population, identify as White. The share of White residents in River Sioux is significantly higher than in Iowa overall, where 82.3% of the population is White. River Sioux ranks 522nd statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, River Sioux's White population has declined by an estimated 82.1%. White residents' share of River Sioux's population has increased from 92.9% to 100.0%.

River Sioux is more White than neighboring Little Sioux (89.1% White), Mondamin (93.3% White), Pisgah (99.6% White), Blencoe (95.4% White), and Tekamah (91.2% White).

River Sioux's Black Population

0 residents of River Sioux, or 0.0% of the population, identify as Black. The share of Black residents in River Sioux is slightly lower than in Iowa overall, where 3.8% of the population is Black. River Sioux ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

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

River Sioux is less Black than neighboring Tekamah (0.1% Black).

River Sioux's Asian Population

0 residents of River Sioux, or 0.0% of the population, identify as Asian. The share of Asian residents in River Sioux is slightly lower than in Iowa overall, where 2.5% of the population is Asian. River Sioux ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

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

River Sioux is less Asian than neighboring Tekamah (0.3% Asian).

River Sioux's Hispanic Population

0 residents of River Sioux, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in River Sioux is lower than in Iowa overall, where 7.3% of the population is Hispanic. River Sioux ranks 241st statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, River Sioux's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of River Sioux's population has decreased from 4.8% to 0.0%.

River Sioux is less Hispanic than neighboring Little Sioux (3.1% Hispanic), Mondamin (2% Hispanic), Blencoe (3.6% Hispanic), and Tekamah (4.2% Hispanic).

River Sioux's Native American/Other Population

0 residents of River Sioux, 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 River Sioux is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. River Sioux ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, River Sioux's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of River Sioux's population has remained roughly unchanged at 0.0%.

River Sioux is less Native American/Other than neighboring Little Sioux (0.8% Native American/Other), Mondamin (0.5% Native American/Other), and Tekamah (0.9% Native American/Other).

River Sioux's Multiracial Population

0 residents of River Sioux, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in River Sioux is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. River Sioux ranks 596th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, River Sioux's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of River Sioux's population has decreased from 2.4% to 0.0%.

River Sioux is less Multiracial than neighboring Little Sioux (7% Multiracial), Mondamin (4.2% Multiracial), Pisgah (0.4% Multiracial), Blencoe (1.1% Multiracial), and Tekamah (3.3% 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.