Byron Sigcho Lopez
Ran for Illinois 4th Congressional District · Independent
Not on the 2026 ballot
Ballot status source: Illinois State Board of Elections — General Election 11/3/2026 Official Candidate List — 4th Congress — 'SIGCHO LOPEZ, BYRON', Independent, Removed 7/21/2026 · read Sep 24, 2026
Filed under Illinois 4th Congressional District. The race page has 4 candidates, 3 certified results. See the race
The District
What Illinois 4th Congressional District covers
Covers parts of Cook County and DuPage County.
Includes Chicago (part), Cicero (part), Hinsdale (part), Melrose Park, Berwyn, Northlake, Brookfield, Franklin Park (part), Oak Brook (part), Western Springs (part), La Grange, La Grange Park and 13 more.
362 precincts · District lines: Congressional lines: U.S. Census Bureau (1:500,000 cartographic boundary, 119th Congress) · 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; Cook County 2020 elections: U.S. Census Bureau 2020 voting districts
Not on file for Byron yet: Key Votes, Their Money, Advertising, In Their Words, In the News, Reach Them, The Paper Trail. Coverage varies by state and office.
File read Sep 25, 2026. Each item names its source. Record ID p_rnwfn1y88.
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