Population By Race and Ethnicity in Stephenson, IL in 2019

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2019, the 44,371 population of Stephenson County, Illinois comprised of 1,920 people who identified as Hispanic (4.33%), and 42,451 people who identified as Non-Hispanic (95.67%).

Race: The White Alone population was the largest racial group in Stephenson County, Illinois with a population of 37,713 (85%); Black or African American Alone population was the second largest racial group with a population of 4,665 (10.51%); and Two Or More Races was the third largest racial group with a population of 1,500 (3.38%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Stephenson County, Illinois in 2019, with a population of 36,145 (81.46%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 4,496 (10.13%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,568 (3.53%).

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.

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Hispanics and Non Hispanics in Stephenson, IL in 2019
Total Population:
Race in Stephenson, IL in 2019
Total Population:
Ethnicity in Stephenson, IL in 2019
Total Population:
Population By Race in Stephenson , IL in 2019
Race Population Percentage
Black or African American Alone 4,665 10.51%
White Alone 37,713 85%
American Indian and Alaska Native Alone 140 0.32%
Asian Alone 332 0.75%
Native Hawaiian And Pacific Islander Alone 21 0.05%
Two Or More Races 1,500 3.38%
Population By Ethnicity in Stephenson , IL in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 169 0.38%
White Alone - Hispanic 1,568 3.53%
American Indian and Alaska Native Alone - Hispanic 61 0.14%
Asian Alone - Hispanic 15 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 6 0.01%
Two Or More Races - Hispanic 101 0.23%
Black or African American Alone - Non Hispanic 4,496 10.13%
White Alone - Non Hispanic 36,145 81.46%
American Indian and Alaska Native Alone - Non Hispanic 79 0.18%
Asian Alone - Non Hispanic 317 0.71%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 15 0.03%
Two Or More Races - Non Hispanic 1,399 3.15%