Population By Race and Ethnicity in Johnson, IL in 2019

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2019, the 12,380 population of Johnson County, Illinois comprised of 380 people who identified as Hispanic (3.07%), and 12,000 people who identified as Non-Hispanic (96.93%).

Race: The White Alone population was the largest racial group in Johnson County, Illinois with a population of 11,270 (91.03%); Black or African American Alone population was the second largest racial group with a population of 882 (7.12%); and Two Or More Races was the third largest racial group with a population of 138 (1.12%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Johnson County, Illinois in 2019, with a population of 10,958 (88.51%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 853 (6.89%); and the third largest ethnic group was White Alone - Hispanic with a population of 312 (2.52%).

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.

See this for other years:
Hispanics and Non Hispanics in Johnson, IL in 2019
Total Population:
Race in Johnson, IL in 2019
Total Population:
Ethnicity in Johnson, IL in 2019
Total Population:
Population By Race in Johnson , IL in 2019
Race Population Percentage
Black or African American Alone 882 7.12%
White Alone 11,270 91.03%
American Indian and Alaska Native Alone 51 0.41%
Asian Alone 35 0.28%
Native Hawaiian And Pacific Islander Alone 4 0.03%
Two Or More Races 138 1.12%
Population By Ethnicity in Johnson , IL in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 29 0.23%
White Alone - Hispanic 312 2.52%
American Indian and Alaska Native Alone - Hispanic 27 0.22%
Asian Alone - Hispanic 6 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.02%
Two Or More Races - Hispanic 3 0.02%
Black or African American Alone - Non Hispanic 853 6.89%
White Alone - Non Hispanic 10,958 88.51%
American Indian and Alaska Native Alone - Non Hispanic 24 0.19%
Asian Alone - Non Hispanic 29 0.23%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1 0.01%
Two Or More Races - Non Hispanic 135 1.09%