Population By Race and Ethnicity in Knox County, IL in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 51,377 population of Knox County, Illinois comprised of 2,862 people who identified as Hispanic (5.57%), and 48,515 people who identified as Non-Hispanic (94.43%).

Race: The White Alone population was the largest racial group in Knox County, Illinois with a population of 45,203 (87.98%); Black or African American Alone population was the second largest racial group with a population of 4,182 (8.14%); and Two Or More Races was the third largest racial group with a population of 1,274 (2.48%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Knox County, Illinois in 2015, with a population of 42,842 (83.39%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,970 (7.73%); and the third largest ethnic group was White Alone - Hispanic with a population of 2,361 (4.6%).

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

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

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Hispanics and Non Hispanics in Knox County, IL in 2015
Total Population:
Race in Knox County, IL in 2015
Total Population:
Ethnicity in Knox County, IL in 2015
Total Population:
Population By Race in Knox , IL in 2015
Race Population Percentage
Black or African American Alone 4,182 8.14%
White Alone 45,203 87.98%
American Indian and Alaska Native Alone 190 0.37%
Asian Alone 514 1%
Native Hawaiian And Pacific Islander Alone 14 0.03%
Two Or More Races 1,274 2.48%
Population By Ethnicity in Knox , IL in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 212 0.41%
White Alone - Hispanic 2,361 4.6%
American Indian and Alaska Native Alone - Hispanic 107 0.21%
Asian Alone - Hispanic 25 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 5 0.01%
Two Or More Races - Hispanic 152 0.3%
Black or African American Alone - Non Hispanic 3,970 7.73%
White Alone - Non Hispanic 42,842 83.39%
American Indian and Alaska Native Alone - Non Hispanic 83 0.16%
Asian Alone - Non Hispanic 489 0.95%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 9 0.02%
Two Or More Races - Non Hispanic 1,122 2.18%