Poll conducted April 21-25, 2018: Results are based on interviews with 630 randomly-selected registered voters in the state of New Hampshire by landline and cellular phone. The overall survey has a margin of sampling error of 3.9% with a confidence interval of 95%; the margin of sampling error on questions specific to the congressional districts is 5.7%.

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This poll was conducted by the Saint Anselm College Survey Center at the New Hampshire Institute of Politics (NHIOP).