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State Senator District 15

March 17, 2026 primary: each party's primary · the general

The district

210,106people
$70,641median household incomeIllinois: $83,390
$195,300median home valueIllinois: $263,300
71%of homes lived in by their ownerIllinois: 67%
26%of adults with a bachelor's degree or moreIllinois: 38%

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024), on the district lines in use since 2022.

CandidateVotesRaisedTheir ownSpentCash on handLarge since last report
Democratic primary
Napoleon Harris Dincumbent✓ nominee26,414
100%
$323,500$23,459$232,584$348,532$26,000
Republican primary
Kenneth Henderson R✓ nominee145
100%
$0——$0—

Raised: itemized contributions to the candidate's committees since January 1, 2025. Their own: contributions and loans in the candidate's name. Cash on hand: at the end of the committees' latest quarterly report (June 30, 2026). Large since last report: $1,000-plus contributions reported on A-1s since that report (included in Raised).

Votes: official totals from the State Board of Elections; the share is of the votes cast in that party's primary.