What is the biggest US lottery jackpot ever won?

$2.04 billion, Powerball, Nov. 8, 2022 (one ticket, from California) 

$1.586 billion, Powerball, Jan. 13, 2016 (three tickets, from California, Florida, Tennessee)

$1.537 billion, Mega Millions, Oct. 23, 2018 (one ticket, from South Carolina)

$1.337 billion, Mega Millions, July 29, 2022 (one ticket, from Illinois)

$1.05 billion, Mega Millions, Jan. 22, 2021 (one ticket, from Michigan)

$768.4 million, Powerball, March 27, 2019 (one ticket, from Wisconsin)

$758.7 million, Powerball, Aug. 23, 2017 (one ticket, from Massachusetts)

$731.1 million, Powerball, Jan. 20, 2021 (one ticket, from Maryland)

$699.8 million, Powerball, Oct. 4, 2021 (one ticket, from California)

$687.8 million, Powerball, Oct. 27, 2018 (two tickets, from Iowa and New York)