"I really believe that politically it could be done," Northey told Radio Iowa late Tuesday afternoon. "I believe it could work for me and lots of other people."

Northey may be the GOP's best hope at contesting the open seat.

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Rep. Steve King (R-Iowa) has sounded less keen on the race than he had in past weeks and many Republicans are concerned the congressman's past controversial statements could hurt his chances as the nominee, and Iowa Lieutenant Gov. Kim Reynolds (R) ruled out a bid on Tuesday.

Democrats have rallied around Rep. Bruce BraleyBruce BraleyTrump: Ernst wanted 'more seasoning' before entertaining VP offer Criminal sentencing bill tests McConnell-Grassley relationship Trump's VP list shrinks MORE (D-Iowa), who has already raised more than $1 million for the race and has the endorsement of retiring Sen. Tom HarkinTom HarkinGrassley challenger no stranger to defying odds Clinton ally stands between Sanders and chairmanship dream Do candidates care about our health or just how much it costs? MORE (D-Iowa).

Northey called the Senate run a "tremendous opportunity," though he said he "loves" his current job and would need to find someone to tend his farm if he does run.

"I certainly get the sense that there's support to be able to run," he said. "I think there's going to be no problem with anybody, at the end of this race, with name I.D., you know, after all the money that’s going to be spent on this."

Republicans need to win a net of six seats to retake control of the Senate. Democrats are largely on defense, with seven seats they're defending in states Mitt Romney won plus the open seat in swing-sate Iowa.