Booker garnered 58 percent support among likely voters polled, while Lonegan collected 32 percent support. Eight percent are undecided or would not express a preference.
The poll was conducted statewide by interviewers calling from the Richard Stockton College of New Jersey campus in Galloway with 812 likely voters on both cell phones and landlines from Sept. 15-21. The margin of error is plus or minus 3.4 percent.
The election will be held Oct. 16. Debates are scheduled for Oct. 4 in Trenton and Oct. 9 at Rowan University in Glassboro.
Of those surveyed, 64 percent have a very favorable or somewhat favorable view of Booker, while 18 percent have an unfavorable view of the Newark mayor, and 16 percent are not familiar with him.
Lonegan was viewed favorably by 34 percent of respondents, while 21 percent have somewhat or very unfavorable opinions of the former Bogota mayor. He was unknown to 42 percent of respondents.