Marquette Law School's latest survey finds Gov. Walker and Democrat Mary Burke tied at 46 percent, among registered voters.
Of the registered voters who responded, 47 percent support Walker while 41 percent prefer Burke.
If the race for Wisconsin governor happened now instead of next fall, it could be a toss-up.
Poll gives Gov. Walker a 47-45 percent edge over Democrat Mary Burke, a 47-44 percent edge over Dem. Sen. Kathleen Vinehout, about a year before the 2014 vote.
Gov. Walker's approval rating in Wisconsin stands at 48 percent - a drop from 51 percent in May, according to the latest Marquette Law School Poll.
According to a new Marquette Law School Poll, Wisconsin would favor a Clinton-Ryan presidential race, with Clinton winning.