Population By Race and Ethnicity in Plymouth County, IA in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 25,024 population of Plymouth County, Iowa comprised of 1,338 people who identified as Hispanic (5.35%), and 23,686 people who identified as Non-Hispanic (94.65%).

Race: The White Alone population was the largest racial group in Plymouth County, Iowa with a population of 24,041 (96.07%); Two Or More Races population was the second largest racial group with a population of 319 (1.27%); and Black or African American Alone was the third largest racial group with a population of 231 (0.92%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Plymouth County, Iowa in 2018, with a population of 22,910 (91.55%); the second largest ethnic group was White Alone - Hispanic with a population of 1,131 (4.52%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 271 (1.08%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Plymouth, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Plymouth County, IA in 2018

Total Population:25,024

Non Hispanic (94.65%)

Hispanic (5.35%)

Race in Plymouth County, IA in 2018

Total Population:25,024

White Alone (96.07%)

Two or more races (1.27%)

Black or African American Alone (0.92%)

American Indian and Alaska Native Alone (0.88%)

Asian Alone (0.68%)

Native Hawaiian And Pacific Islander Alone (0.16%)

Ethnicity in Plymouth County, IA in 2018

Total Population:25,024

Non-Hispanic White Alone (91.55%)

Hispanic White Alone (4.52%)

All Other Ethnicities (1.34%)

Non-Hispanic Two or more races (1.08%)

Non-Hispanic Black or African American Alone (0.85%)

Non-Hispanic Asian Alone (0.65%)

Population By Race in Plymouth , IA in 2018

Race	Population	Percentage
White Alone	24,041	96.07%
Two Or More Races	319	1.27%
Black or African American Alone	231	0.92%
American Indian and Alaska Native Alone	221	0.88%
Asian Alone	171	0.68%
Native Hawaiian And Pacific Islander Alone	41	0.16%

Population By Ethnicity in Plymouth , IA in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	22,910	91.55%
White Alone - Hispanic	1,131	4.52%
Two Or More Races - Non Hispanic	271	1.08%
Black or African American Alone - Non Hispanic	213	0.85%
Asian Alone - Non Hispanic	163	0.65%
American Indian and Alaska Native Alone - Hispanic	120	0.48%
American Indian and Alaska Native Alone - Non Hispanic	101	0.4%
Two Or More Races - Hispanic	48	0.19%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	28	0.11%
Black or African American Alone - Hispanic	18	0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic	13	0.05%
Asian Alone - Hispanic	8	0.03%