Stephenson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Stephenson County, IL was 35.47K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (31.07K) and constituted 87.61% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (3.07K) and constituted 8.64% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (765), constituting 2.16% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

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

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

Stephenson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

Non-Hispanic White Alone

Non-Hispanic Black Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Stephenson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	31070	87.61
Non-Hispanic Black or African American Alone	3065	8.64
Hispanic or Latino of All Races	765	2.16
Non-Hispanic Two Or More Races	370	1.04
Non-Hispanic Asian Alone	165	0.47
Non-Hispanic American Indian and Alaska Native Alone	30	0.09