Population By Race and Ethnicity in Johnson County, IL in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 12,598 population of Johnson County, Illinois comprised of 386 people who identified as Hispanic (3.06%), and 12,212 people who identified as Non-Hispanic (96.94%).

Race: The White Alone population was the largest racial group in Johnson County, Illinois with a population of 11,378 (90.32%); Black or African American Alone population was the second largest racial group with a population of 1,033 (8.2%); and Two Or More Races was the third largest racial group with a population of 112 (0.89%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Johnson County, Illinois in 2010, with a population of 11,056 (87.76%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,007 (7.99%); and the third largest ethnic group was White Alone - Hispanic with a population of 322 (2.56%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Johnson County, IL in 2010

Total Population:12,598

Non Hispanic (96.94%)

Hispanic (3.06%)

Race in Johnson County, IL in 2010

Total Population:12,598

White Alone (90.32%)

Black or African American Alone (8.2%)

Two or more races (0.89%)

American Indian and Alaska Native Alone (0.33%)

Asian Alone (0.23%)

Native Hawaiian And Pacific Islander Alone (0.03%)

Ethnicity in Johnson County, IL in 2010

Total Population:12,598

Non-Hispanic White Alone (87.76%)

Non-Hispanic Black or African American Alone (7.99%)

Hispanic White Alone (2.56%)

Non-Hispanic Two or more races (0.84%)

All Other Ethnicities (0.64%)

Hispanic Black or African American Alone (0.21%)

Population By Race in Johnson , IL in 2010

Race	Population	Percentage
White Alone	11,378	90.32%
Black or African American Alone	1,033	8.2%
Two Or More Races	112	0.89%
American Indian and Alaska Native Alone	42	0.33%
Asian Alone	29	0.23%
Native Hawaiian And Pacific Islander Alone	4	0.03%

Population By Ethnicity in Johnson , IL in 2010

Ethnicity	Population	Percentage
White Alone - Non Hispanic	11,056	87.76%
Black or African American Alone - Non Hispanic	1,007	7.99%
White Alone - Hispanic	322	2.56%
Two Or More Races - Non Hispanic	106	0.84%
Black or African American Alone - Hispanic	26	0.21%
American Indian and Alaska Native Alone - Hispanic	23	0.18%
Asian Alone - Non Hispanic	23	0.18%
American Indian and Alaska Native Alone - Non Hispanic	19	0.15%
Asian Alone - Hispanic	6	0.05%
Two Or More Races - Hispanic	6	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	3	0.02%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	1	0.01%