Plymouth County Demographics
A map of Plymouth County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 22,941 | 89.3% |
Hispanic | 1,496 | 5.8% |
Multiracial | 577 | 2.2% |
Black | 354 | 1.4% |
Native American/Other | 219 | 0.9% |
Asian | 111 | 0.4% |
Plymouth County, Iowa had a population of 25,698 in 2020. It was 89.3% White, 1.4% Black, 0.4% Asian, 5.8% Hispanic, 0.9% Native American/Other, and 2.2% Multiracial. This map presents the population of Plymouth County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.
Plymouth County is the 24th most populous county of the 99 counties in Iowa.
Plymouth County's White Population
22,941 residents of Plymouth County identify as White, or 89.3%. This makes the White share of the population of Plymouth County slightly larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Plymouth County is ranked #63 in terms of White residents as a share of the population.
Plymouth County is more White than neighboring Sioux County (83.4% White), Woodbury County (68.2% White), Union County (89.2% White), and Dakota County (43.3% White). Plymouth County is less White than neighboring Cherokee County (91.5% White).
Plymouth County's Black Population
354 residents of Plymouth County identify as Black, or 1.4%. This makes the Black share of the population of Plymouth County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Plymouth County is ranked #31 in terms of Black residents as a share of the population.
Plymouth County is more Black than neighboring Sioux County (0.5% Black), Union County (1% Black), and Cherokee County (0.7% Black). Plymouth County is less Black than neighboring Woodbury County (4.8% Black), and Dakota County (7.4% Black).
Plymouth County's Asian Population
111 residents of Plymouth County identify as Asian, or 0.4%. This makes the Asian share of the population of Plymouth County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Plymouth County is ranked #52 in terms of Asian residents as a share of the population.
Plymouth County is less Asian than neighboring Sioux County (0.6% Asian), Woodbury County (2.8% Asian), Union County (1.5% Asian), Dakota County (2.8% Asian), and Cherokee County (0.5% Asian).
Plymouth County's Hispanic Population
1,496 residents of Plymouth County identify as Hispanic, or 5.8%. This makes the Hispanic share of the population of Plymouth County roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Plymouth County is ranked #25 in terms of Hispanic residents as a share of the population.
Plymouth County is more Hispanic than neighboring Union County (3.9% Hispanic), and Cherokee County (4.5% Hispanic). Plymouth County is less Hispanic than neighboring Sioux County (13.7% Hispanic), Woodbury County (17.7% Hispanic), and Dakota County (40.8% Hispanic).
Plymouth County's Native American/Other Population
219 residents of Plymouth County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.9%. This makes the Native American/Other share of the population of Plymouth 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, Plymouth County is ranked #12 in terms of Native American/Other residents as a share of the population.
Plymouth County is more Native American/Other than neighboring Sioux County (0.4% Native American/Other), and Cherokee County (0.6% Native American/Other). Plymouth County is less Native American/Other than neighboring Woodbury County (2.7% Native American/Other), Union County (1% Native American/Other), and Dakota County (3.3% Native American/Other).
Plymouth County's Multiracial Population
577 residents of Plymouth County identify as Multiracial, or 2.2%. This makes the Multiracial share of the population of Plymouth County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Plymouth County is ranked #67 in terms of Multiracial residents as a share of the population.
Plymouth County is more Multiracial than neighboring Sioux County (1.4% Multiracial). Plymouth County is less Multiracial than neighboring Woodbury County (3.8% Multiracial), Union County (3.4% Multiracial), and Dakota County (2.3% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.