On Tuesday, November 3, 2026, Americans vote in the midterm elections for every seat in the US House of Representatives, about a third of the Senate, 36 governors and thousands of state and local offices. Millions of people will stay up watching the results roll in, and in some close races they will go to bed without knowing who won.
That can be frustrating, and sometimes confusing. Why does it take days to count votes in some states? What does it mean when a TV network "calls" a race? And when is the result actually official? Here is a plain, nonpartisan guide to how votes are counted in the United States.
Who Counts the Votes?
There is no single national election office in the US. Elections are run by the states, and the actual work of counting is done by local election officials: thousands of county clerks, election boards and their staff, along with many temporary poll workers. Each state sets its own rules for how ballots are cast, processed, counted and checked. That is why the speed of reporting results varies so much from state to state.
The Three Ways People Vote
- In person on Election Day at a local polling place.
- Early in-person voting, offered in most states for days or weeks before Election Day.
- Mail or absentee ballots, sent by mail or returned to official drop boxes or election offices. A few states, such as Washington, Oregon and Colorado, conduct elections mostly by mail.
Each method is counted a little differently, and that is the key to understanding why results arrive in waves. (For the history of why Election Day is on a Tuesday at all, see why Americans vote on a Tuesday.)
Step by Step: How a Ballot Gets Counted
1. Checking the voter (mail ballots)
A mail ballot arrives in an envelope. Before it can be counted, officials check that it came from a registered voter who has not already voted. Many states compare the signature on the envelope with the one on file, and some require a witness signature or an ID number. If something is missing, many states let voters fix ("cure") the problem by a deadline.
2. Processing
Once a ballot is verified, envelopes are opened, ballots are flattened and prepared for scanning. This is slow, physical work. Here's the big variable: some states let officials process mail ballots days or weeks before Election Day, so they can report those results almost as soon as polls close. Others have not allowed processing to begin until Election Day itself, which means a large backlog to work through on election night and after.
3. Tabulating
Most Americans vote on paper ballots, which are read by optical scanners. At the polling place, a voter often feeds their own ballot into a scanner; mail ballots are usually scanned in batches at a central office. The paper ballots are kept so they can be checked later.
4. Reporting unofficial results
After polls close, counties begin posting unofficial results online. These usually arrive in batches: early votes, then Election Day votes precinct by precinct, then more mail ballots over the following days. Because different kinds of votes are reported at different times, the lead in a close race can change as counting continues. That is normal and expected, not a sign that something went wrong.
5. Late-arriving and provisional ballots
Some states count mail ballots that are postmarked by Election Day and arrive within a few days afterward. Military and overseas ballots often have extra time. Voters whose eligibility can't be confirmed at the polls may cast a provisional ballot, which is counted only after officials verify it. Rules on these ballots differ by state and have been the subject of court cases.
What Does It Mean When a Race Is "Called"?
On election night, you will hear that a news organization has "called" or "projected" a race. That is not an official result. Organizations such as The Associated Press and the major TV networks run "decision desks" that analyze the votes counted so far, which areas they came from and how many ballots remain. When they are confident that the trailing candidate cannot catch up, they announce a projected winner.
These calls are usually right because they wait until the math is clear, but they are forecasts. In very close races, the decision desks wait, sometimes for days, until enough votes are counted.
When Is the Result Official?
The official result comes later, after two more steps:
- The canvass: local officials double-check the count, reconcile the number of ballots with the number of voters who signed in, add verified provisional ballots, and in many states run audits that compare a sample of paper ballots with the machine count.
- Certification: the county and then the state formally certify the results, usually within a few weeks of Election Day, on deadlines set by state law.
Recounts
If a race is extremely close, a recount may follow. Some states order an automatic recount when the margin falls below a set threshold (often around half a percentage point or less), and candidates can request one in many states. Recounts rarely change the outcome by more than a few hundred votes, but in a very close race that can be decisive.
Why Can Results Take Days?
- Volume: tens of millions of ballots across thousands of separate jurisdictions.
- Mail ballots take longer to verify and process than in-person votes.
- Processing rules: in states that don't allow pre-processing, much of the work starts on Election Day.
- Arrival deadlines: where late-arriving ballots are accepted, the count can't be final until the deadline passes.
- Accuracy first: officials are required to verify, reconcile and audit, which takes time by design.
A slow count is usually a sign of a careful process, not a problem. In many past elections, some of the closest House races weren't settled until a week or more after Election Day.
Tips for Following Results on Election Night
- Use official sources: your state's secretary of state or election office posts unofficial results directly.
- Look at "expected vote" or "percent reporting" estimates to see how much is still uncounted.
- Remember the waves: early, Election Day and mail ballots can lean differently, so leads can shift.
- Be careful with social media claims and screenshots. Check them against official sites.
- Be patient with close races. The count is not over until it's certified.
For a refresher on what's on the ballot this year, read what midterm elections are. And as November rolls on, find out why Veterans Day is at 11 a.m. on November 11.
Also read: What Time Do Polls Close on Election Day 2026? State Guide.
Curious how the results are projected? Also read: How Do Exit Polls Work? What They Tell You on Election Night.
Frequently Asked Questions
When is Election Day 2026?
Tuesday, November 3, 2026. Poll closing times vary by state.
Who counts the votes in US elections?
Local election officials in each county or town, following state law. There is no single national vote-counting agency.
Is a race "called" by the media official?
No. A media call is a projection. Results become official when local and state officials certify them, usually a few weeks after Election Day.
Why do vote leads change after election night?
Different types of ballots, such as early, Election Day and mail ballots, are counted and reported at different times, and they can lean differently. As more are counted, the totals shift.
Are paper ballots used in the US?
Yes. The vast majority of votes are cast on paper ballots or with machines that produce a paper record, which allows audits and recounts.
This is a general, nonpartisan explainer. Election rules differ by state; check your state election office for exact deadlines and procedures.
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