According to the Des Moines Register, the significant sum marks contributions from more than 2,800 Iowans, including people from all 99 counties in the state.

Braley is the only declared Democratic candidate in the race, and he has the backing of the party establishment and nearly every Democratic name in the state, including retiring Sen. Tom HarkinThomas (Tom) Richard HarkinSenate GOP rejects Trump’s call to go big on gun legislation Trump should require federal contractors to follow the law Orrin Hatch, ‘a tough old bird,’ got a lot done in the Senate MORE, whose seat Braley hopes to retain in 2014.

Republicans already have four candidates in the race, and more are expected to enter soon.