The total includes $3 million raised by Brown’s campaign, and about $600,000 raised by the Democratic Senatorial Campaign Committee and the Ohio Democratic Party.

Sherrod Brown has wasted little time raising money since joining Ohio's U.S. Senate race on Monday. His campaign hauled in more than $3 million in its first 24 hours since he announced he would run.

Former Ohio Sen. Sherrod Brown (D) raised more than $3.6 million in the first 24 hours after he launched his comeback campaign for the Senate on Monday. Brown’s campaign said in a release Tuesday that the donations came from all 88 of Ohio’s counties and 95 percent of them were less than $100,