Mary Catherine Roberson
Candidate for Illinois House District 104 · Democrat
On the 2026 ballotChallenger · Illinois House District 104 · Nov 3 General
Ballot status source: Illinois State Board of Elections — Candidate List, General Election 11/3/2026: 104TH REPRESENTATIVE · read Oct 3, 2026
The District
What Illinois House District 104 covers
Covers parts of Champaign County and Vermilion County.
Includes Danville, Champaign (part), Rantoul, Tilton, Urbana (part), Savoy, Westville, Oakwood, Thomasboro, Belgium, Fithian, Muncie and 1 more.
104 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 104
State Representative, District 104
2024 General Election · Nov 5, 2024| Candidate | Party | Votes | Share |
|---|---|---|---|
| Brandun SchweizerRepublican | Republican | 23,546 | 50.3% |
| Jarrett ClemDemocrat | Democrat | 23,277 | 49.7% |
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 104
2022 General Election · Nov 8, 2022| Candidate | Party | Votes | Share |
|---|---|---|---|
| Mike MarronRepublican | Republican | 19,613 | 54.0% |
| Cynthia E. CunninghamDemocrat | Democrat | 16,695 | 46.0% |
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 104
2020 General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| Mike MarronRepublican | Republican | 27,096 | 58.8% |
| Cynthia E. CunninghamDemocrat | Democrat | 19,007 | 41.2% |
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 104
- Brandun SchweizerRepublican · Incumbent · On the 2026 ballot
Not on file for Mary 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_qfmp84rdd.
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