Brown is ahead of Warren by 1 percentage point, 49-48, the poll showed. The one-point advantage is within the poll's 4.1 margin of error.
The latest poll was conducted by UMass Lowell's Center for Public Opinion and the Boston Herald. Nearly one thousand Massachusetts voters were surveyed between Wednesday, Oct. 31 and Saturday, Nov. 3.
The poll found that Brown is viewed favorably by 54 percent of the 956 voters surveyed, with 39 percent holding a negative opinion of him, according to the Herald. Warren was viewed favorably by 50 percent of voters, with 42 percent viewing her unfavorably.