Illinois Congressional District 05

Voters

Registered Voters: 572,393
Active Voters: 504,003 (88.1%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	43,465 (7.6%)	<10 (—)	<10 (—)
2023–2024	388,527 (67.9%)	98,656 (17.2%)	24,758 (4.3%)
2021–2022	269,561 (47.1%)	86,485 (15.1%)	29,806 (5.2%)
2019–2020	366,883 (64.1%)	139,208 (24.3%)	17,065 (3.0%)
2017–2018	268,940 (47.0%)	98,858 (17.3%)	28,326 (4.9%)
2015–2016	276,822 (48.4%)	115,375 (20.2%)	56,926 (9.9%)
2013–2014	158,086 (27.6%)	20,456 (3.6%)	27,740 (4.8%)
2011–2012	196,076 (34.3%)	29,220 (5.1%)	30,139 (5.3%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

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Source: Civitech voter file snapshot as of 12/15/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population: 696,116
Citizen Voting Age Population (CVAP): 558,924

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	615,244	88.4%
Hispanic	80,868	11.6%
White	513,696	73.8%
Black	19,619	2.8%
Asian	60,412	8.7%
American Indian / Alaska Native	410	0.1%
Native Hawaiian / Pacific Islander	138	0.0%
Two or More Races	2,038	0.3%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	501,117	89.7%
Hispanic	57,809	10.3%
White	425,461	76.1%
Black	20,063	3.6%
Asian	51,826	9.3%
American Indian / Alaska Native	2,308	0.4%
Native Hawaiian / Pacific Islander	141	0.0%
Two or More Races	1,510	0.3%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.