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.

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.

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,