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Democracy SENTRY
HOUSE VACANCIES, ANSWERED

What happens if no one wins a House seat on Election Day?

State law sets the timing for a later election to fill the seat.

The short answer

The seat is filled by a later election. Federal law schedules regular House elections for the Tuesday after the first Monday in November of every even-numbered year, but when a seat is vacant because no one was elected or because of death, resignation, or incapacity, state law controls the timing of the replacement election.

BY THE NUMBERS
100
vacancy threshold that triggers federal replacement rules
49 days
maximum time allowed for a mass-vacancy special election

State law controls replacement timing

When a House seat is vacant, the laws of the states and territories set the time for the replacement election. This applies whether voters failed to elect someone at the time prescribed by law or whether the vacancy arose from death, resignation, or incapacity.

Federal rule for mass vacancies

There is one federal exception for extraordinary circumstances. If more than 100 House seats are vacant at once, the executive of each affected state must issue writs for a special election held not later than 49 days after the Speaker announces the vacancy.

Regular election schedule

Federal law fixes the regular House election on the Tuesday after the first Monday in November of every even-numbered year. That schedule is set in 2 U.S.C. 7.

More on who runs elections, and who can't interfere.

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Frequently asked questions

Q. What happens if no one is elected to a House seat on Election Day?

The seat is filled by a later election whose timing is set by state law. When a seat is vacant, whether because voters failed to elect at the time prescribed by law or because of death, resignation, or incapacity, the laws of the states and territories control the timing of the replacement election. There is one federal exception: if more than 100 House seats are vacant at once, the executive of each affected state must issue writs for a special election held not later than 49 days after the Speaker announces the vacancy.

Sources

  1. 2 U.S.C. 8, law.cornell.edu, https://www.law.cornell.edu/uscode/text/2/8 · 2026-09-26