Population By Race and Ethnicity in Grundy, IL in 2015

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2015, the 50,358 population of Grundy County, Illinois comprised of 4,699 people who identified as Hispanic (9.33%), and 45,659 people who identified as Non-Hispanic (90.67%).

Race: The White Alone population was the largest racial group in Grundy County, Illinois with a population of 48,411 (96.13%); Black or African American Alone population was the second largest racial group with a population of 744 (1.48%); and Two Or More Races was the third largest racial group with a population of 618 (1.23%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Grundy County, Illinois in 2015, with a population of 44,029 (87.43%); the second largest ethnic group was White Alone - Hispanic with a population of 4,382 (8.7%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 661 (1.31%).

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 2015
Total Population:
Race in Grundy, IL in 2015
Total Population:
Ethnicity in Grundy, IL in 2015
Total Population:
Population By Race in Grundy , IL in 2015
RacePopulationPercentage
Black or African American Alone 744 1.48%
White Alone 48,411 96.13%
American Indian and Alaska Native Alone 163 0.32%
Asian Alone 403 0.8%
Native Hawaiian And Pacific Islander Alone 19 0.04%
Two Or More Races 618 1.23%
Population By Ethnicity in Grundy , IL in 2015
EthnicityPopulationPercentage
Black or African American Alone - Hispanic 83 0.17%
White Alone - Hispanic 4,382 8.7%
American Indian and Alaska Native Alone - Hispanic 93 0.19%
Asian Alone - Hispanic 31 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 8 0.02%
Two Or More Races - Hispanic 102 0.2%
Black or African American Alone - Non Hispanic 661 1.31%
White Alone - Non Hispanic 44,029 87.43%
American Indian and Alaska Native Alone - Non Hispanic 70 0.14%
Asian Alone - Non Hispanic 372 0.74%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 11 0.02%
Two Or More Races - Non Hispanic 516 1.02%