How mail ballots are counted

A mail ballot is a ballot the voter returns by mail or drop box instead of feeding it into a scanner at a polling place on Election Day. States do not use one national form or one national deadline. Some mail a ballot to every active registered voter. Others require an application, and they limit who may apply. Vote.gov points to the state election office. That office, not this website, accepts or rejects the application.

The deadline is the rule that causes the most confusion on election night. In some states the ballot must be received by the close of polls. In others it must be postmarked by Election Day and received within a set number of days. The National Conference of State Legislatures keeps a table of receipt and postmark rules because the table is long. A ballot that is legal under one state’s rule would be late under another’s. This site’s voting-deadlines page repeats a date only when an official page for that state printed it.

Counting is not the same as receiving. Election workers check the envelope, the signature or identification the state requires, and the voter’s eligibility before the ballot is added to the tally. A state may allow that processing before Election Day and still forbid release of the totals until polls close. Another state may not start processing until Election Day. Either choice is administration. Neither choice is a comment on which party uses mail ballots.

Ballots that arrive on time after election night, where state law allows them, are added when they are accepted. The public total can rise, and the margin can narrow or widen, without any “late” ballot in the ordinary sense. “Late” means late under that state’s statute. A postmarked-by-Election-Day ballot received on the day the statute names is on time. The page on why results shift describes this alongside provisional ballots and curing, which is the chance some states give a voter to fix a missing signature.

Military and overseas voters often have a distinct window under federal and state law. A state page that prints one deadline for domestic mail ballots and another for uniformed and overseas voters is not contradicting itself. Copy the line that matches the voter. This site does not request ballots, cure signatures, or tell a voter which envelope to use. Those steps belong to the election office printed on the state hub.