Grundy, Illinois 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 52.53K population of Grundy, IL residents comprised of 5.71K residents who identified as Hispanic or Latino (10.87%), and 46.82K residents who identified as Non-Hispanic (89.13%).

Race: The White Alone population was the largest racial group in Grundy, IL, with a population of 45.11K (85.86%). The Two Or More Races population was the second largest racial group in Grundy, IL, with a population of 4.09K (7.79%). The Some Other Race Alone population was the third largest racial group in Grundy, IL, with a population of 1.78K (3.39%). The smallest racial group in Grundy, IL was Native Hawaiian And Pacific Islander Alone with a population of 26 (0.05%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Grundy, IL, with a population of 43.47K (82.75%). The Hispanic - Two or More Races population was the second largest ethnic group in Grundy, IL, with a population of 2.23K (4.24%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Grundy, IL, with a population of 1.86K (3.55%). The smallest ethnic group in Grundy, IL was Hispanic - Native Hawaiian & Pac. Islander with a population of 10 (0.02%).

The charts and tables below shows the 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 Hispanics and Non Hispanics Population in Census 2020
Total Population:
Grundy, IL Racial Groups in Census 2020
Total Population:
Grundy, IL Ethnicity Groups in Census 2020
Total Population:
Grundy, IL Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 865 1.65
White Alone 45106 85.86
American Indian and Alaska Native Alone 185 0.35
Asian Alone 482 0.92
Native Hawaiian And Pacific Islander Alone 26 0.05
Some Other Race Alone 1778 3.39
Two Or More Races 4091 7.79
Grundy, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 43472 82.75
Hispanic - Two or More Races 2227 4.24
Non-Hispanic - Two or More Races 1864 3.55
Hispanic - Some Other Race Alone 1656 3.15
Hispanic - White Alone 1634 3.11
Non-Hispanic - Black Alone 833 1.59
Non-Hispanic - Asian Alone 466 0.89
Hispanic - American Indian & Alaska Native 137 0.26
Non-Hispanic - Some Other Race Alone 122 0.23
Non-Hispanic - American Indian & Alaska Native 48 0.09
Hispanic - Black Alone 32 0.06
Hispanic - Asian Alone 16 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 16 0.03
Hispanic - Native Hawaiian & Pac. Islander 10 0.02