Stephenson County, Illinois Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on July 13, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, the total Stephenson County, IL population was 44,817. The White Alone racial group had the highest population (37.80K) and constituted 84.35% of the total Stephenson County population. The Black or African American Alone racial group had the second highest population (4.21K) and constituted 9.40% of the population. The third highest racial group was Two Or More Races (2.21K), constituting 4.93% of the population.

The population of the Non-Hispanic White Alone ethnicity group was 36.50K and constituted 81.45% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (1.95K) and constituted 4.35% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

Note: Missing racial or ethnicity groups means there was not enough information for an estimate.

You can also see similar information for other Illinois counties, and for Illinois.

Data Source: US Census - ACS 5-Year Estimates.

Stephenson County, Illinois Population By Race in 2021

White Alone

Black or African American Alone

Two Or More Races

Asian Alone

Some Other Race Alone

American Indian and Alaska Native Alone

Stephenson County, Illinois Population By Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Stephenson County, Illinois Population By Race in 2021

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Race	Population	% of Total Pop.
White Alone	37804	84.35
Black or African American Alone	4214	9.40
Two Or More Races	2209	4.93
Asian Alone	343	0.77
Some Other Race Alone	168	0.38
American Indian and Alaska Native Alone	79	0.18

Stephenson County, Illinois Population By Ethnicity in 2021

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Ethnicity	Population	% of Total Pop.
Non-Hispanic White Alone	36503	81.45
Hispanic or Latino of All Races	1949	4.35