O'Brien County Demographics
A map of O'Brien County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 12,609 | 88.9% |
Hispanic | 985 | 6.9% |
Multiracial | 274 | 1.9% |
Black | 159 | 1.1% |
Asian | 79 | 0.6% |
Native American/Other | 76 | 0.5% |
O'Brien County, Iowa had a population of 14,182 in 2020. It was 88.9% White, 1.1% Black, 0.6% Asian, 6.9% Hispanic, 0.5% Native American/Other, and 1.9% Multiracial. This map presents the population of O'Brien County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.
O'Brien County is the 56th most populous county of the 99 counties in Iowa.
O'Brien County's White Population
12,609 residents of O'Brien County identify as White, or 88.9%. This makes the White share of the population of O'Brien County slightly larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, O'Brien County is ranked #66 in terms of White residents as a share of the population.
O'Brien County is more White than neighboring Osceola County (86.3% White), and Sioux County (83.4% White). O'Brien County is less White than neighboring Cherokee County (91.5% White), Clay County (91.7% White), and Dickinson County (94.4% White).
O'Brien County's Black Population
159 residents of O'Brien County identify as Black, or 1.1%. This makes the Black share of the population of O'Brien County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, O'Brien County is ranked #34 in terms of Black residents as a share of the population.
O'Brien County is more Black than neighboring Osceola County (0.5% Black), Cherokee County (0.7% Black), Clay County (0.6% Black), Sioux County (0.5% Black), and Dickinson County (0.4% Black).
O'Brien County's Asian Population
79 residents of O'Brien County identify as Asian, or 0.6%. This makes the Asian share of the population of O'Brien County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, O'Brien County is ranked #37 in terms of Asian residents as a share of the population.
O'Brien County is more Asian than neighboring Osceola County (0.3% Asian), Cherokee County (0.5% Asian), and Dickinson County (0.5% Asian).
O'Brien County's Hispanic Population
985 residents of O'Brien County identify as Hispanic, or 6.9%. This makes the Hispanic share of the population of O'Brien County roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, O'Brien County is ranked #20 in terms of Hispanic residents as a share of the population.
O'Brien County is more Hispanic than neighboring Cherokee County (4.5% Hispanic), Clay County (4.3% Hispanic), and Dickinson County (2.3% Hispanic). O'Brien County is less Hispanic than neighboring Osceola County (9.7% Hispanic), and Sioux County (13.7% Hispanic).
O'Brien County's Native American/Other Population
76 residents of O'Brien County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.5%. This makes the Native American/Other share of the population of O'Brien County roughly similar to the Native American/Other share of the population of Iowa (0.7% Native American/Other). Of the 99 counties in Iowa, O'Brien County is ranked #36 in terms of Native American/Other residents as a share of the population.
O'Brien County is more Native American/Other than neighboring Clay County (0.3% Native American/Other), Sioux County (0.4% Native American/Other), and Dickinson County (0.2% Native American/Other). O'Brien County is less Native American/Other than neighboring Osceola County (1% Native American/Other), and Cherokee County (0.6% Native American/Other).
O'Brien County's Multiracial Population
274 residents of O'Brien County identify as Multiracial, or 1.9%. This makes the Multiracial share of the population of O'Brien County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, O'Brien County is ranked #87 in terms of Multiracial residents as a share of the population.
O'Brien County is more Multiracial than neighboring Sioux County (1.4% Multiracial). O'Brien County is less Multiracial than neighboring Osceola County (2.2% Multiracial), Cherokee County (2.2% Multiracial), Clay County (2.4% Multiracial), and Dickinson County (2.2% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.