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

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 13,326 population of Johnson County, Illinois comprised of 594 people who identified as Hispanic (4.46%), and 12,732 people who identified as Non-Hispanic (95.54%).

Race: The White Alone population was the largest racial group in Johnson County, Illinois with a population of 11,318 (84.93%); Black or African American Alone population was the second largest racial group with a population of 1,729 (12.98%); and Two Or More Races was the third largest racial group with a population of 152 (1.14%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Johnson County, Illinois in 2023, with a population of 10,848 (81.41%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,668 (12.52%); and the third largest ethnic group was White Alone - Hispanic with a population of 470 (3.53%).

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

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

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Hispanics and Non Hispanics in Johnson County, IL in 2023
Total Population:
Race in Johnson County, IL in 2023
Total Population:
Ethnicity in Johnson County, IL in 2023
Total Population:
Population By Race in Johnson , IL in 2023
Race Population Percentage
Black or African American Alone 1,729 12.98%
White Alone 11,318 84.93%
American Indian and Alaska Native Alone 73 0.55%
Asian Alone 47 0.35%
Native Hawaiian And Pacific Islander Alone 7 0.05%
Two Or More Races 152 1.14%
Population By Ethnicity in Johnson , IL in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 61 0.46%
White Alone - Hispanic 470 3.53%
American Indian and Alaska Native Alone - Hispanic 39 0.29%
Asian Alone - Hispanic 11 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 6 0.05%
Two Or More Races - Hispanic 7 0.05%
Black or African American Alone - Non Hispanic 1,668 12.52%
White Alone - Non Hispanic 10,848 81.41%
American Indian and Alaska Native Alone - Non Hispanic 34 0.26%
Asian Alone - Non Hispanic 36 0.27%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1 0.01%
Two Or More Races - Non Hispanic 145 1.09%