Population By Race and Ethnicity in Grundy County, IL in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 51,012 population of Grundy County, Illinois comprised of 5,189 people who identified as Hispanic (10.17%), and 45,823 people who identified as Non-Hispanic (89.83%).

Race: The White Alone population was the largest racial group in Grundy County, Illinois with a population of 48,734 (95.53%); Black or African American Alone population was the second largest racial group with a population of 906 (1.78%); and Two Or More Races was the third largest racial group with a population of 676 (1.33%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Grundy County, Illinois in 2018, with a population of 43,924 (86.11%); the second largest ethnic group was White Alone - Hispanic with a population of 4,810 (9.43%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 798 (1.56%).

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 County, IL in 2018
Total Population:
Race in Grundy County, IL in 2018
Total Population:
Ethnicity in Grundy County, IL in 2018
Total Population:
Population By Race in Grundy , IL in 2018
Race Population Percentage
Black or African American Alone 906 1.78%
White Alone 48,734 95.53%
American Indian and Alaska Native Alone 171 0.34%
Asian Alone 483 0.95%
Native Hawaiian And Pacific Islander Alone 42 0.08%
Two Or More Races 676 1.33%
Population By Ethnicity in Grundy , IL in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 108 0.21%
White Alone - Hispanic 4,810 9.43%
American Indian and Alaska Native Alone - Hispanic 98 0.19%
Asian Alone - Hispanic 38 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 8 0.02%
Two Or More Races - Hispanic 127 0.25%
Black or African American Alone - Non Hispanic 798 1.56%
White Alone - Non Hispanic 43,924 86.11%
American Indian and Alaska Native Alone - Non Hispanic 73 0.14%
Asian Alone - Non Hispanic 445 0.87%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 34 0.07%
Two Or More Races - Non Hispanic 549 1.08%