Population By Race and Ethnicity in Delaware, IA in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 17,115 population of Delaware County, Iowa comprised of 264 people who identified as Hispanic (1.54%), and 16,851 people who identified as Non-Hispanic (98.46%).

Race: The White Alone population was the largest racial group in Delaware County, Iowa with a population of 16,729 (97.75%); Black or African American Alone population was the second largest racial group with a population of 156 (0.91%); and Two Or More Races was the third largest racial group with a population of 140 (0.82%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Delaware County, Iowa in 2018, with a population of 16,497 (96.39%); the second largest ethnic group was White Alone - Hispanic with a population of 232 (1.36%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 149 (0.87%).

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

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

See this for other years:
Hispanics and Non Hispanics in Delaware, IA in 2018
Total Population:
Race in Delaware, IA in 2018
Total Population:
Ethnicity in Delaware, IA in 2018
Total Population:
Population By Race in Delaware , IA in 2018
Race Population Percentage
Black or African American Alone 156 0.91%
White Alone 16,729 97.75%
American Indian and Alaska Native Alone 26 0.15%
Asian Alone 62 0.36%
Native Hawaiian And Pacific Islander Alone 2 0.01%
Two Or More Races 140 0.82%
Population By Ethnicity in Delaware , IA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 7 0.04%
White Alone - Hispanic 232 1.36%
American Indian and Alaska Native Alone - Hispanic 4 0.02%
Asian Alone - Hispanic 7 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 12 0.07%
Black or African American Alone - Non Hispanic 149 0.87%
White Alone - Non Hispanic 16,497 96.39%
American Indian and Alaska Native Alone - Non Hispanic 22 0.13%
Asian Alone - Non Hispanic 55 0.32%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 128 0.75%