Washington State and 4 others are 100% absentee ballot voting. Your ballot has a serial number which you can look up to be sure your vote was tallied correctly. https://www.nytimes.com/2020/04/15/us/politics/washington-where-everyone-votes-by-mail.html ...” While 28 states offer mail-in ballots, just five currently conduct (all) elections entirely by mail — Colorado, Hawaii, Oregon, Washington and Utah...”