Sangamon County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Sangamon County, IL was 150.11K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (127.56K) and constituted 84.97% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (16.43K) and constituted 10.94% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (2.42K), constituting 1.61% 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:

Sangamon County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2018

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

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Sangamon County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2018

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	127555	84.97
Non-Hispanic Black or African American Alone	16425	10.94
Hispanic or Latino of All Races	2420	1.61
Non-Hispanic Two Or More Races	1830	1.22
Non-Hispanic Asian Alone	1645	1.10
Non-Hispanic American Indian and Alaska Native Alone	165	0.11
Non-Hispanic Native Hawaiian And Pacific Islander Alone	65	0.04