Decatur city, Illinois Census 2020 Population By Race and Ethnicity

Updated on September 4, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 70.52K population of Decatur city, IL residents comprised of 2.17K residents who identified as Hispanic or Latino (3.07%), and 68.36K residents who identified as Non-Hispanic (96.93%).

Race: The White Alone population was the largest racial group in Decatur city, IL, with a population of 44.89K (63.66%). The Black or African American Alone population was the second largest racial group in Decatur city, IL, with a population of 18.74K (26.58%). The Two Or More Races population was the third largest racial group in Decatur city, IL, with a population of 4.75K (6.73%). The smallest racial group in Decatur city, IL was Native Hawaiian And Pacific Islander Alone with a population of 27 (0.04%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Decatur city, IL, with a population of 44.37K (62.92%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Decatur city, IL, with a population of 18.61K (26.38%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Decatur city, IL, with a population of 4.00K (5.67%). The smallest ethnic group in Decatur city, IL was Hispanic - Asian Alone with a population of 3 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Decatur city, Illinois from the 2020 decennial census.

You can see similar information for other cities and places in Illinois and also for the state of Illinois.

Decatur city, IL Hispanics and Non Hispanics Population in Census 2020
Total Population:
Decatur city, IL Racial Groups in Census 2020
Total Population:
Decatur city, IL Ethnicity Groups in Census 2020
Total Population:
Decatur city, IL Population of Racial Groups in Census 2020
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Race Population % of City or Place Population
Black or African American Alone 18744 26.58
White Alone 44894 63.66
American Indian and Alaska Native Alone 174 0.25
Asian Alone 913 1.30
Native Hawaiian And Pacific Islander Alone 27 0.04
Some Other Race Alone 1025 1.45
Two Or More Races 4745 6.73
Decatur city, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of City or Place Population
Non-Hispanic - White Alone 44371 62.92
Non-Hispanic - Black Alone 18606 26.38
Non-Hispanic - Two or More Races 3995 5.67
Non-Hispanic - Asian Alone 910 1.29
Hispanic - Two or More Races 750 1.06
Hispanic - Some Other Race Alone 698 0.99
Hispanic - White Alone 523 0.74
Non-Hispanic - Some Other Race Alone 327 0.46
Hispanic - Black Alone 138 0.20
Non-Hispanic - American Indian & Alaska Native 124 0.18
Hispanic - American Indian & Alaska Native 50 0.07
Non-Hispanic - Native Hawaiian & Pac. Islander 22 0.03
Hispanic - Native Hawaiian & Pac. Islander 5 0.01
Hispanic - Asian Alone 3 0.00