Baldwin said she visited all corners of Wisconsin during her campaign, speaking with people from many different communities.

Sen. Tammy Baldwin will win reelection in Wisconsin, CNN projects, in a victory for Senate Democrats trying to defend the so-called blue wall states despite losing them at the presidential level and having already lost their majority in the chamber.

Ms. Baldwin has once again proven herself a survivor in an evenly divided swing state, where voters went for her and President-elect Donald J. Trump.