Census Dots

Onslow, IA Demographics

A map of Onslow's Population by Race

Race
PopulationPercent
White
16582.1%
Multiracial
2010.0%
Black
105.0%
Hispanic
63.0%
Asian
00.0%
Native American/Other
00.0%

Onslow, Iowa had a population of 201 in 2020. It was 82.1% White, 5.0% Black, 0.0% Asian, 3.0% Hispanic, 0.0% Native American/Other, and 10.0% Multiracial. This map presents the population of Onslow, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,028 places in Iowa, Onslow is the 684th 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).

Onslow's White Population

165 residents of Onslow identify as White, or 82.1%. This makes the White share of the population of Onslow roughly similar to the White share of the population of Iowa (82.7% White). Of the 1,028 places in Iowa, Onslow is ranked #940 in terms of White residents as a share of the population.

Onslow is less White than neighboring Wyoming (96% White), Center Junction (89% White), Monmouth (94.6% White), Oxford Junction (95.8% White), and Olin (95.7% White).

Onslow's Black Population

10 residents of Onslow identify as Black, or 5.0%. This makes the Black share of the population of Onslow roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 1,028 places in Iowa, Onslow is ranked #24 in terms of Black residents as a share of the population.

Onslow is more Black than neighboring Wyoming (0.8% Black), Center Junction (0% Black), Monmouth (0% Black), Oxford Junction (0% Black), and Olin (1.7% Black).

Onslow's Asian Population

0 residents of Onslow identify as Asian, or 0.0%. This makes the Asian share of the population of Onslow roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 1,028 places in Iowa, Onslow is ranked #541 in terms of Asian residents as a share of the population.

Onslow's Hispanic Population

6 residents of Onslow identify as Hispanic, or 3.0%. This makes the Hispanic share of the population of Onslow roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 1,028 places in Iowa, Onslow is ranked #418 in terms of Hispanic residents as a share of the population.

Onslow is more Hispanic than neighboring Wyoming (0.4% Hispanic), Monmouth (1.6% Hispanic), Oxford Junction (1.7% Hispanic), and Olin (0.8% Hispanic).

Onslow's Native American/Other Population

0 residents of Onslow identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.0%. This makes the Native American/Other share of the population of Onslow roughly similar to the Native American/Other share of the population of Iowa (0.7% Native American/Other). Of the 1,028 places in Iowa, Onslow is ranked #636 in terms of Native American/Other residents as a share of the population.

Onslow is less Native American/Other than neighboring Wyoming (0.2% Native American/Other), Center Junction (3% Native American/Other), and Oxford Junction (0.7% Native American/Other).

Onslow's Multiracial Population

20 residents of Onslow identify as Multiracial, or 10.0%. This makes the Multiracial share of the population of Onslow slightly larger than the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 1,028 places in Iowa, Onslow is ranked #16 in terms of Multiracial residents as a share of the population.

Onslow is more Multiracial than neighboring Wyoming (2.7% Multiracial), Center Junction (5% Multiracial), Monmouth (3.9% Multiracial), Oxford Junction (1.9% Multiracial), and Olin (1.8% Multiracial).

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