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Following the 2020 Census, some states may redraw their districts. Some candidates may subsequently amend their registration forms to reflect new district numbers. Candidates are listed using information from their registration forms and may run in different districts than in the past. The FEC will update its map to reflect the new congressional districts and boundaries once information has been made available from each state.
On February 19, 2018, Pennsylvania's Supreme Court released a new congressional map for Pennsylvania. Some candidates subsequently amended their registration forms to reflect new district numbers. Candidates are listed using
information from their registration forms and may be running in different districts than in the past.
District maps on this page are approximate.
District maps are only available for elections in 2017–2018 and later.