Population By Race and Ethnicity in McHenry County, IL in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 307,439 population of McHenry County, Illinois comprised of 42,529 people who identified as Hispanic (13.83%), and 264,910 people who identified as Non-Hispanic (86.17%).

Race: The White Alone population was the largest racial group in McHenry County, Illinois with a population of 285,753 (92.95%); Asian Alone population was the second largest racial group with a population of 9,320 (3.03%); and Black or African American Alone was the third largest racial group with a population of 5,430 (1.77%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in McHenry County, Illinois in 2019, with a population of 246,315 (80.12%); the second largest ethnic group was White Alone - Hispanic with a population of 39,438 (12.83%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 9,048 (2.94%).

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 2019
Total Population:
Race in McHenry County, IL in 2019
Total Population:
Ethnicity in McHenry County, IL in 2019
Total Population:
Population By Race in McHenry , IL in 2019
Race Population Percentage
Black or African American Alone 5,430 1.77%
White Alone 285,753 92.95%
American Indian and Alaska Native Alone 1,626 0.53%
Asian Alone 9,320 3.03%
Native Hawaiian And Pacific Islander Alone 159 0.05%
Two Or More Races 5,151 1.68%
Population By Ethnicity in McHenry , IL in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 705 0.23%
White Alone - Hispanic 39,438 12.83%
American Indian and Alaska Native Alone - Hispanic 1,133 0.37%
Asian Alone - Hispanic 272 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 56 0.02%
Two Or More Races - Hispanic 925 0.3%
Black or African American Alone - Non Hispanic 4,725 1.54%
White Alone - Non Hispanic 246,315 80.12%
American Indian and Alaska Native Alone - Non Hispanic 493 0.16%
Asian Alone - Non Hispanic 9,048 2.94%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 103 0.03%
Two Or More Races - Non Hispanic 4,226 1.38%