Population By Race and Ethnicity in McHenry County, IL in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 308,519 population of McHenry County, Illinois comprised of 35,642 people who identified as Hispanic (11.55%), and 272,877 people who identified as Non-Hispanic (88.45%).

Race: The White Alone population was the largest racial group in McHenry County, Illinois with a population of 291,179 (94.38%); Asian Alone population was the second largest racial group with a population of 8,201 (2.66%); and Two Or More Races was the third largest racial group with a population of 4,029 (1.31%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in McHenry County, Illinois in 2011, with a population of 257,864 (83.58%); the second largest ethnic group was White Alone - Hispanic with a population of 33,315 (10.8%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 7,991 (2.59%).

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.

See this for other years:
Hispanics and Non Hispanics in McHenry County, IL in 2011
Total Population:
Race in McHenry County, IL in 2011
Total Population:
Ethnicity in McHenry County, IL in 2011
Total Population:
Population By Race in McHenry , IL in 2011
Race Population Percentage
Black or African American Alone 3,603 1.17%
White Alone 291,179 94.38%
American Indian and Alaska Native Alone 1,379 0.45%
Asian Alone 8,201 2.66%
Native Hawaiian And Pacific Islander Alone 128 0.04%
Two Or More Races 4,029 1.31%
Population By Ethnicity in McHenry , IL in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 442 0.14%
White Alone - Hispanic 33,315 10.8%
American Indian and Alaska Native Alone - Hispanic 930 0.3%
Asian Alone - Hispanic 210 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 43 0.01%
Two Or More Races - Hispanic 702 0.23%
Black or African American Alone - Non Hispanic 3,161 1.02%
White Alone - Non Hispanic 257,864 83.58%
American Indian and Alaska Native Alone - Non Hispanic 449 0.15%
Asian Alone - Non Hispanic 7,991 2.59%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 85 0.03%
Two Or More Races - Non Hispanic 3,327 1.08%