Population By Race and Ethnicity in McHenry County, IL in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 312,800 population of McHenry County, Illinois comprised of 51,435 people who identified as Hispanic (16.44%), and 261,365 people who identified as Non-Hispanic (83.56%).

Race: The White Alone population was the largest racial group in McHenry County, Illinois with a population of 288,099 (92.1%); Asian Alone population was the second largest racial group with a population of 10,492 (3.35%); and Black or African American Alone was the third largest racial group with a population of 6,392 (2.04%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in McHenry County, Illinois in 2023, with a population of 240,567 (76.91%); the second largest ethnic group was White Alone - Hispanic with a population of 47,532 (15.2%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 10,149 (3.25%).

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

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

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Hispanics and Non Hispanics in McHenry County, IL in 2023
Total Population:
Race in McHenry County, IL in 2023
Total Population:
Ethnicity in McHenry County, IL in 2023
Total Population:
Population By Race in McHenry , IL in 2023
Race Population Percentage
Black or African American Alone 6,392 2.04%
White Alone 288,099 92.1%
American Indian and Alaska Native Alone 1,878 0.6%
Asian Alone 10,492 3.35%
Native Hawaiian And Pacific Islander Alone 193 0.06%
Two Or More Races 5,746 1.84%
Population By Ethnicity in McHenry , IL in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 864 0.28%
White Alone - Hispanic 47,532 15.2%
American Indian and Alaska Native Alone - Hispanic 1,417 0.45%
Asian Alone - Hispanic 343 0.11%
Native Hawaiian And Pacific Islander Alone - Hispanic 77 0.03%
Two Or More Races - Hispanic 1,202 0.38%
Black or African American Alone - Non Hispanic 5,528 1.77%
White Alone - Non Hispanic 240,567 76.91%
American Indian and Alaska Native Alone - Non Hispanic 461 0.15%
Asian Alone - Non Hispanic 10,149 3.25%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 116 0.04%
Two Or More Races - Non Hispanic 4,544 1.45%