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About this Poll

The Journal Poll is based on a scientific, statewide sample of 966 registered voters who cast ballots in both the 2014 and 2016 general elections and said they were likely to vote in this year’s election.

The poll was conducted Sept. 7-13. The voter sample has a margin of error of plus or minus 3.1 percentage points. The margin of error grows for subsamples.

All interviews were conducted by live, professional interviewers, with multiple callbacks to households that did not initially answer the phone.

Both cellphone numbers (69 percent) and landlines (31 percent) of proven general election voters were used.

Heinrich, 46, first won election to the Senate in 2012, succeeding Democrat Jeff Bingaman.

He’s New Mexico’s junior member of the U.S. Senate. Tom Udall, also a Democrat, won election to the Senate in 2008 and was re-elected in 2014.