Five states hold polls on Tuesday. Here's what to know.

Kansas, Michigan, Missouri, Virginia and Washington hold primaries Tuesday, with races that could ultimately decide control of Congress next year. Redistricting efforts will also influence the races.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/7934x5292+0+0/resize/7934x5292!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F46%2F2b%2F03dca3784e0fa7827daa3b5137e0%2Fgettyimages-2288919882.jpg' alt='OAK PARK, MICHIGAN - AUGUST 03: A man walks near an Abraham Lincoln mural outside of Lincoln Liquor & Wine on August 03, 2026 in Oak Park, Michigan. The highly contested Democratic Primary for U.S. Senate is bringing national attention to Michigan ahead of voting on August 4.'/><p>Kansas, Michigan, Missouri, Virginia and Washington hold primaries Tuesday, with races that could ultimately decide control of Congress next year. Redistricting efforts will also influence the races.</p><p>(Image credit: Finn Gomez)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5918643' />