Dekalb, Indiana Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 43.27K population of Dekalb, IN residents comprised of 1.19K residents who identified as Hispanic or Latino (2.74%), and 42.08K residents who identified as Non-Hispanic (97.26%).

Race: The White Alone population was the largest racial group in Dekalb, IN, with a population of 40.67K (93.99%). The Two Or More Races population was the second largest racial group in Dekalb, IN, with a population of 1.69K (3.90%). The Some Other Race Alone population was the third largest racial group in Dekalb, IN, with a population of 361 (0.83%). The smallest racial group in Dekalb, IN was Native Hawaiian And Pacific Islander Alone with a population of 39 (0.09%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Dekalb, IN, with a population of 40.23K (92.99%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Dekalb, IN, with a population of 1.25K (2.90%). The Hispanic - White Alone population was the third largest ethnic group in Dekalb, IN, with a population of 434 (1.00%). The smallest ethnic group in Dekalb, IN was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

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

You can see similar information for other Indiana counties and also for the state of Indiana.

Dekalb, IN Hispanics and Non Hispanics Population in Census 2020
Total Population:
Dekalb, IN Racial Groups in Census 2020
Total Population:
Dekalb, IN Ethnicity Groups in Census 2020
Total Population:
Dekalb, IN Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 190 0.44
White Alone 40666 93.99
American Indian and Alaska Native Alone 95 0.22
Asian Alone 228 0.53
Native Hawaiian And Pacific Islander Alone 39 0.09
Some Other Race Alone 361 0.83
Two Or More Races 1686 3.90
Dekalb, IN Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 40232 92.99
Non-Hispanic - Two or More Races 1255 2.90
Hispanic - White Alone 434 1.00
Hispanic - Two or More Races 431 1.00
Hispanic - Some Other Race Alone 282 0.65
Non-Hispanic - Asian Alone 225 0.52
Non-Hispanic - Black Alone 183 0.42
Non-Hispanic - Some Other Race Alone 79 0.18
Non-Hispanic - American Indian & Alaska Native 67 0.16
Non-Hispanic - Native Hawaiian & Pac. Islander 39 0.09
Hispanic - American Indian & Alaska Native 28 0.07
Hispanic - Black Alone 7 0.02
Hispanic - Asian Alone 3 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00