Population By Race and Ethnicity in Grundy, IL in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 52,959 population of Grundy County, Illinois comprised of 6,043 people who identified as Hispanic (11.41%), and 46,916 people who identified as Non-Hispanic (88.59%).

Race: The White Alone population was the largest racial group in Grundy County, Illinois with a population of 50,292 (94.96%); Black or African American Alone population was the second largest racial group with a population of 1,167 (2.2%); and Two Or More Races was the third largest racial group with a population of 756 (1.43%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Grundy County, Illinois in 2021, with a population of 44,682 (84.37%); the second largest ethnic group was White Alone - Hispanic with a population of 5,610 (10.59%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,042 (1.97%).

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

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

See this for other years:
Hispanics and Non Hispanics in Grundy, IL in 2021
Total Population:
Race in Grundy, IL in 2021
Total Population:
Ethnicity in Grundy, IL in 2021
Total Population:
Population By Race in Grundy , IL in 2021
Race Population Percentage
Black or African American Alone 1,167 2.2%
White Alone 50,292 94.96%
American Indian and Alaska Native Alone 178 0.34%
Asian Alone 512 0.97%
Native Hawaiian And Pacific Islander Alone 54 0.1%
Two Or More Races 756 1.43%
Population By Ethnicity in Grundy , IL in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 125 0.24%
White Alone - Hispanic 5,610 10.59%
American Indian and Alaska Native Alone - Hispanic 103 0.19%
Asian Alone - Hispanic 46 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 13 0.03%
Two Or More Races - Hispanic 146 0.28%
Black or African American Alone - Non Hispanic 1,042 1.97%
White Alone - Non Hispanic 44,682 84.37%
American Indian and Alaska Native Alone - Non Hispanic 75 0.14%
Asian Alone - Non Hispanic 466 0.88%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 41 0.08%
Two Or More Races - Non Hispanic 610 1.15%