The figure will likely dwarf the rest of the field.
Illinois is a key battleground in the fight for control of the Senate.
Her fundraising total lags behind two other GOP presidential hopefuls.
Timothy Cama 07/06/15 12:14 PM EDT
The campaign says 99 percent of the donations were for $250 or less.
The amount of money being spent is "unreal," he said.
The campaign said 151,000 donors had given to the campaign.
Chairwoman Ann Ravel acknowledged earlier this year that the agency is "worse than dysfunctional."
The white supremacist ls linked to the South Carolina church shooter.
The NRSC raised $4.5 million last month to the DSCC's $3.6 million.