Illinois Congressional District 17

Voters

Registered Voters: 512,650
Active Voters: 466,606 (91.0%)

Party Registration

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

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	103,372 (20.2%)	6,214 (1.2%)	2,399 (0.5%)
2023–2024	314,544 (61.4%)	29,401 (5.7%)	31,700 (6.2%)
2021–2022	227,330 (44.3%)	41,368 (8.1%)	45,288 (8.8%)
2019–2020	283,903 (55.4%)	65,392 (12.8%)	28,341 (5.5%)
2017–2018	214,688 (41.9%)	47,957 (9.4%)	40,500 (7.9%)
2015–2016	235,311 (45.9%)	67,978 (13.3%)	64,277 (12.5%)
2013–2014	152,050 (29.7%)	18,166 (3.5%)	35,799 (7.0%)
2011–2012	195,390 (38.1%)	21,985 (4.3%)	35,825 (7.0%)

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: 716,949
Citizen Voting Age Population (CVAP): 560,283

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	643,292	89.7%
Hispanic	73,660	10.3%
White	512,573	71.5%
Black	91,155	12.7%
Asian	10,168	1.4%
American Indian / Alaska Native	834	0.1%
Native Hawaiian / Pacific Islander	190	0.0%
Two or More Races	2,719	0.4%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	515,020	91.9%
Hispanic	45,262	8.1%
White	427,163	76.2%
Black	72,303	12.9%
Asian	9,337	1.7%
American Indian / Alaska Native	5,147	0.9%
Native Hawaiian / Pacific Islander	181	0.0%
Two or More Races	1,417	0.3%

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