Population By Race and Ethnicity in Stephenson County, IL in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 44,702 population of Stephenson County, Illinois comprised of 1,871 people who identified as Hispanic (4.18%), and 42,831 people who identified as Non-Hispanic (95.82%).

Race: The White Alone population was the largest racial group in Stephenson County, Illinois with a population of 38,174 (85.4%); Black or African American Alone population was the second largest racial group with a population of 4,604 (10.3%); and Two Or More Races was the third largest racial group with a population of 1,454 (3.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Stephenson County, Illinois in 2018, with a population of 36,632 (81.95%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 4,441 (9.94%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,542 (3.45%).

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

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

See this for other years:
Hispanics and Non Hispanics in Stephenson County, IL in 2018
Total Population:
Race in Stephenson County, IL in 2018
Total Population:
Ethnicity in Stephenson County, IL in 2018
Total Population:
Population By Race in Stephenson , IL in 2018
Race Population Percentage
Black or African American Alone 4,604 10.3%
White Alone 38,174 85.4%
American Indian and Alaska Native Alone 131 0.29%
Asian Alone 320 0.72%
Native Hawaiian And Pacific Islander Alone 19 0.04%
Two Or More Races 1,454 3.25%
Population By Ethnicity in Stephenson , IL in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 163 0.37%
White Alone - Hispanic 1,542 3.45%
American Indian and Alaska Native Alone - Hispanic 55 0.12%
Asian Alone - Hispanic 12 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 5 0.01%
Two Or More Races - Hispanic 94 0.21%
Black or African American Alone - Non Hispanic 4,441 9.94%
White Alone - Non Hispanic 36,632 81.95%
American Indian and Alaska Native Alone - Non Hispanic 76 0.17%
Asian Alone - Non Hispanic 308 0.69%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 14 0.03%
Two Or More Races - Non Hispanic 1,360 3.04%