Margaret DeLaRosa
State Representative, Illinois House District 42 · Democrat
OfficeholderOn the 2026 ballotIncumbent · Illinois House District 42 · Nov 3 General
Ballot status source: Illinois State Board of Elections — Candidate List, General Election 11/3/2026: 42ND REPRESENTATIVE · read Oct 3, 2026
The District
What Illinois House District 42 covers
Covers part of DuPage County.
Includes Lombard (part), Glen Ellyn (part), Lisle (part), Downers Grove (part) and Wheaton (part).
74 precincts · District lines: State house lines: U.S. Census Bureau (1:500,000 cartographic boundary) · Precinct lines: Chicago Board of Election Commissioners, Boundaries - Ward Precincts (2023-2024) (data.cityofchicago.org 6piy-vbxa) for the City of Chicago; Cook County Clerk, Suburban Cook Election Precincts - Current (datacatalog.cookcountyil.gov k7sw-w3b8); DuPage County, Election_Precincts layer (gis.dupageco.org, current, retrieved 2026-09-24); U.S. Census Bureau 2020 VTDs elsewhere in Illinois; U.S. Census Bureau 2020 TIGER/Line VTDs where no official layer
Results
Certified results for Illinois House District 42
State Representative, District 42
2024 General Election · Nov 5, 2024| Candidate | Party | Votes | Share |
|---|---|---|---|
| Terra Costa HowardDemocrat | Democrat | 40,916 | 87.7% |
| Write-in | 5,534 | 11.9% | |
| Amar Patel | 198 | 0.4% |
Official vote — Illinois State Board of Elections (certified canvass, precinct vote totals by election authority) · Illinois State Board of Elections — Election Vote Totals by Precinct
State Representative, District 42
2022 General Election · Nov 8, 2022| Candidate | Party | Votes | Share |
|---|---|---|---|
| Terra Costa Howard | 25,822 | 58.3% | |
| Stefanie Hood | 18,494 | 41.7% |
Official vote — Illinois State Board of Elections (certified canvass, precinct vote totals by election authority) · Illinois State Board of Elections — Election Vote Totals by Precinct
State Representative, District 42
2020 General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| Amy L. GrantRepublican | Republican | 32,349 | 51.9% |
| Ken Mejia-BealDemocrat | Democrat | 30,005 | 48.1% |
Official vote — Illinois State Board of Elections (certified canvass, precinct vote totals by election authority) · Illinois State Board of Elections — Election Vote Totals by Precinct
The 2026 Field
Who else is running for Illinois House District 42
- Stephanie W. TrussellRepublican · On the 2026 ballot
Not on file for Margaret yet: Key Votes, Their Money, Advertising, In Their Words, In the News, Reach Them, Polls, The Paper Trail. Coverage varies by state and office.
File read Oct 4, 2026. Each item names its source. Record ID p_bgtv2atcc.
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