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State Representative District 42

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

The district

106,038people
$109,443median household incomeIllinois: $83,390
$395,700median home valueIllinois: $263,300
71%of homes lived in by their ownerIllinois: 67%
57%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
No party primary
Lynn LaPlante 6,568
41.1%
$246,382$2,700$236,714$79—
Democratic primary
Margaret A. DeLaRosa Dincumbent✓ nominee9,396
58.9%
$482,322$578$145,767$68,775$335,139
Republican primary
Stephanie W Trussell R✓ nominee5,259
100%
$17,768—$18,747$1,577$2,000

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 (September 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.

Donors to more than one candidate here

2 donors gave to two or more of this race's candidates (all their contributions to each since January 1, 2025).

DonorGave toIn this race
Cook County College Teachers Union - COPE
Labor union · Chicago
Margaret A. DeLaRosa $500 · Lynn LaPlante $1,000$1,500
Anne Gould
none, none · Glen Ellyn
Margaret A. DeLaRosa $600 · Lynn LaPlante $600$1,200