Grundy, Illinois Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 39.38K voting-age population of Grundy, IL residents comprised of 3.51K residents who identified as Hispanic or Latino (8.90%), and 35.88K residents who identified as Non-Hispanic (91.10%).

Race: The White Alone voting-age population was the largest racial group in Grundy, IL, with a voting-age population of 34.59K (87.83%). The Two Or More Races voting-age population was the second largest racial group in Grundy, IL, with a voting-age population of 2.44K (6.19%). The Some Other Race Alone voting-age population was the third largest racial group in Grundy, IL, with a voting-age population of 1.24K (3.14%). The smallest racial group in Grundy, IL was Native Hawaiian And Pacific Islander Alone with a voting-age population of 19 (0.05%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Grundy, IL, with a voting-age population of 33.68K (85.52%). The Hispanic - Two or More Races voting-age population was the second largest ethnic group in Grundy, IL, with a voting-age population of 1.32K (3.35%). The Hispanic - Some Other Race Alone voting-age population was the third largest ethnic group in Grundy, IL, with a voting-age population of 1.15K (2.93%). The smallest ethnic group in Grundy, IL was Hispanic - Black Alone with a voting-age population of 5 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Grundy, Illinois from the 2020 decennial census.

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

Grundy, IL Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Grundy, IL Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Grundy, IL Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Grundy, IL Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 584 1.48
White Alone 34589 87.83
American Indian and Alaska Native Alone 140 0.36
Asian Alone 377 0.96
Native Hawaiian And Pacific Islander Alone 19 0.05
Some Other Race Alone 1237 3.14
Two Or More Races 2437 6.19
Grundy, IL Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 33682 85.52
Hispanic - Two or More Races 1319 3.35
Hispanic - Some Other Race Alone 1154 2.93
Non-Hispanic - Two or More Races 1118 2.84
Hispanic - White Alone 907 2.30
Non-Hispanic - Black Alone 579 1.47
Non-Hispanic - Asian Alone 365 0.93
Hispanic - American Indian & Alaska Native 100 0.25
Non-Hispanic - Some Other Race Alone 83 0.21
Non-Hispanic - American Indian & Alaska Native 40 0.10
Hispanic - Asian Alone 12 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 10 0.03
Hispanic - Native Hawaiian & Pac. Islander 9 0.02
Hispanic - Black Alone 5 0.01