"Even at this early stage of the campaign, it's clear that Allen West has a tough road ahead in convincing Treasure Coast and Palm Beach voters that his abrasive, combative style deserves another term in Washington," Murphy said in a statement. "These numbers confirm what we have known for months — that this will be one of the most competitive and closely-watched races in the country."

West is facing a tough reelection battle after redistricting forced him into a new congressional district more evenly split between Republicans and Democrats. Florida's 18th district, where West is now competing, contains less than a quarter of the congressman's current constituents. 

Murphy's poll also measured presidential preference in the district and found presumptive Republican nominee Mitt Romney leading President Barack ObamaBarack Hussein ObamaGOP rep: North Korea wants Iran-type nuclear deal Dems fear lasting damage from Clinton-Sanders fight Iran's president warns US will pay 'high cost' if Trump ditches nuclear deal MORE 49 percent to 46.

The Hill continues to project this race as a toss-up in its latest round of House election ratings.