Even without counting outside spending, Ohio's U.S. Senate race is officially the most expensive in state history.
Incumbent Sen. Sherrod Brown (D) and GOP challenger Josh Mandel have raised $25 million this cycle, according to the Dayton Daily News.
Brown has raised $15.3 million to date, compared to Mandel's $9.9 million. He also has about $6.5 million on hand, compared to Mandel's $4.9 million.
But outside spending in the race favors Mandel, the state treasurer. Groups have poured an estimated $13 million into the race, with conservative groups like the U.S. Chamber of Commerce and Crossroads GPS spending about $10.5 million on behalf of Mandel. Progressive groups have contributed only $2.5 million on behalf of Brown, who faces more spending by the opposition than any other senator or Senate candidate in the country.
The next most expensive campaign was the 2006 race between Brown and Mike DeWine, now the state attorney general. That entire race cost $23 million, according to the Daily News.
A HuffPost Pollster analysis of the race shows Brown leading Mandel, 45.9 to 39.3.
10 more election stories from beyond the presidential field:
Rep. David Schweikert Gives Out His Personal Phone Number At Arizona Campaign Event [Arizona Republic]
Rep. Danny Rehberg: Sen. Tester's Cancer Attack Ad Blatantly False [Billings Gazette]
Liberatore Stops Recount After Just Three Hours In California District 8 [Los Angeles Times]
Congressional Campaign Treasurer Kinde Durkee Admits $7 Million Theft [Los Angeles Times]
Rep. Allen West Crosses $10 Million Mark In Florida Congressional Race [Palm Beach Post]
Michigan District Upset At Cost Of Election To Replace Rep. Thad McCotter [Traverse City Record Eagle}
Incumbents Maintain Fundraising Advantage In Colorado Primaries [The Denver Post]
Just 18 Percent Of Michelle Bachmann's Cash Came From Minnesota [Minnesota Public Radio]
Rep. Bill Pascrell Spent $81 Per Vote To Win New Jersey Primary; Losing Rep. Steve Rothman Spent $123 Per Vote [New Jersey Record]
Linda McMahon Loaned Herself $8.2 Million To Win GOP Primary For Conn. Senate [ Connecticut News Times]
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