Illinois Congressional District 02

Voters

Registered Voters: 535,564
Active Voters: 500,868 (93.5%)

Party Registration

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

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	71,926 (13.4%)	10,705 (2.0%)	785 (0.1%)
2023–2024	303,499 (56.7%)	61,167 (11.4%)	24,915 (4.7%)
2021–2022	215,094 (40.2%)	62,788 (11.7%)	29,648 (5.5%)
2019–2020	311,460 (58.2%)	109,521 (20.4%)	24,115 (4.5%)
2017–2018	236,322 (44.1%)	89,234 (16.7%)	23,769 (4.4%)
2015–2016	271,119 (50.6%)	133,358 (24.9%)	42,795 (8.0%)
2013–2014	177,726 (33.2%)	45,545 (8.5%)	24,960 (4.7%)
2011–2012	222,615 (41.6%)	48,498 (9.1%)	23,352 (4.4%)

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: 713,406
Citizen Voting Age Population (CVAP): 540,489

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	621,494	87.1%
Hispanic	91,910	12.9%
White	255,032	35.7%
Black	341,882	47.9%
Asian	6,126	0.9%
American Indian / Alaska Native	433	0.1%
Native Hawaiian / Pacific Islander	176	0.0%
Two or More Races	3,291	0.5%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	483,003	89.4%
Hispanic	57,484	10.6%
White	211,408	39.1%
Black	261,949	48.5%
Asian	6,116	1.1%
American Indian / Alaska Native	3,255	0.6%
Native Hawaiian / Pacific Islander	164	0.0%
Two or More Races	1,687	0.3%

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