Three Iowa congressmen eyeing a run for the state's open Senate seat are low on cash after tough 2012 House races.

Rep. Steve King (R-Iowa) has just $119,000 left in the bank as of the year's end, according to recently filed financial reports. Rep. Tom Latham (R-Iowa) is down to $118,000, while Rep. Bruce BraleyBruce Lowell BraleyOPINION | Tax reform, not Trump-McConnell feuds, will make 2018 a win for GOP Ten years later, House Dems reunite and look forward Trump: Ernst wanted 'more seasoning' before entertaining VP offer MORE (D-Iowa) has just $51,000 left in his campaign coffers.

Braley has been the most open about his interest, and sat down with Democratic Senatorial Campaign Committee Chairman Michael BennetMichael Farrand BennetAvalanche of Democratic senators say Franken should resign GOP and Dems bitterly divided by immigration Schumer downplays shutdown chances over DACA fight MORE (D-Colo.) and Senate Majority Leader Harry ReidHarry ReidBill O'Reilly: Politics helped kill Kate Steinle, Zarate just pulled the trigger Tax reform is nightmare Déjà vu for Puerto Rico Ex-Obama and Reid staffers: McConnell would pretend to be busy to avoid meeting with Obama MORE (D-Nev.) to discuss a possible bid. King and Latham are both also considering bids, though Iowa Repubilcans say it's unlikely that they would run against one another in a primary.

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All three spent heavily to make sure they held onto their seats in 2012 after redistricting put them all in new territory, and their low bank accounts don't mean they won't be able to quickly raise the money needed to run for the seat that will be vacated when longtime Sen. Tom HarkinTom HarkinDemocrats are all talk when it comes to DC statehood The Hill's 12:30 Report Distance education: Tumultuous today and yesterday MORE (D-Iowa) retires. 

Latham raised and spent $3.8 million in the last cycle, King spent $3.7 million and Braley brought in $2.7 million. But their low totals show the congressmen will have to hit the fundraising circuit hard if they want to move to the upper chamber.