Population By Race and Ethnicity in Decatur County, IA in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 7,606 population of Decatur County, Iowa comprised of 233 people who identified as Hispanic (3.06%), and 7,373 people who identified as Non-Hispanic (96.94%).

Race: The White Alone population was the largest racial group in Decatur County, Iowa with a population of 7,207 (94.75%); Black or African American Alone population was the second largest racial group with a population of 155 (2.04%); and Two Or More Races was the third largest racial group with a population of 118 (1.55%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Decatur County, Iowa in 2020, with a population of 7,018 (92.27%); the second largest ethnic group was White Alone - Hispanic with a population of 189 (2.49%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 141 (1.85%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Decatur, 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 Decatur County, IA in 2020

Total Population:7,606

Non Hispanic (96.94%)

Hispanic (3.06%)

Race in Decatur County, IA in 2020

Total Population:7,606

White Alone (94.75%)

Black or African American Alone (2.04%)

Two or more races (1.55%)

Asian Alone (0.92%)

American Indian and Alaska Native Alone (0.56%)

Native Hawaiian And Pacific Islander Alone (0.17%)

Ethnicity in Decatur County, IA in 2020

Total Population:7,606

Non-Hispanic White Alone (92.27%)

Hispanic White Alone (2.49%)

Non-Hispanic Black or African American Alone (1.85%)

Non-Hispanic Two or more races (1.37%)

All Other Ethnicities (1.17%)

Non-Hispanic Asian Alone (0.86%)

Population By Race in Decatur , IA in 2020

Race	Population	Percentage
White Alone	7,207	94.75%
Black or African American Alone	155	2.04%
Two Or More Races	118	1.55%
Asian Alone	70	0.92%
American Indian and Alaska Native Alone	43	0.56%
Native Hawaiian And Pacific Islander Alone	13	0.17%

Population By Ethnicity in Decatur , IA in 2020

Ethnicity	Population	Percentage
White Alone - Non Hispanic	7,018	92.27%
White Alone - Hispanic	189	2.49%
Black or African American Alone - Non Hispanic	141	1.85%
Two Or More Races - Non Hispanic	104	1.37%
Asian Alone - Non Hispanic	65	0.86%
American Indian and Alaska Native Alone - Non Hispanic	33	0.43%
Black or African American Alone - Hispanic	14	0.18%
Two Or More Races - Hispanic	14	0.18%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	12	0.16%
American Indian and Alaska Native Alone - Hispanic	10	0.13%
Asian Alone - Hispanic	5	0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic	1	0.01%