On March 24, 2026, Marquette University Law School Poll released its most recent poll, which surveyed 850 registered Wisconsin voters between March 11-18, 2026. The margin of error is +/-4.4 percentage points. Marquette’s most recent prior Wisconsin state-specific poll was released in February 2026. This new poll covers political approval ratings, 2026 candidates, as well as various policy areas.

The following March 2026 poll findings may be of interest:

Elected Officials

President Trump (R) Job Approval

• 42% approve
• 56% disapprove

Governor Tony Evers (D) Job Approval

• 47% approve
• 47% disapprove
• 6% don’t know

U.S. Senator Ron Johnson (R) Favorability

• 36% have a favorable opinion of U.S. Senator Ron Johnson (R)
• 44% have an unfavorable opinion of him
• 20% haven’t heard enough

U.S. Senator Tammy Baldwin (D) Favorability

• 43% have a favorable opinion of U.S. Senator Tammy Baldwin (D)
• 47% have an unfavorable opinion of her
• 10% haven’t heard enough

Wisconsin Gubernatorial Candidates – 2026 August Primary Election

The following are the polling results of Wisconsin Republican primary voters when asked for whom they would vote:

• Congressman Tom Tiffany:                                        40%    
• Medical Service Technician Andy Manske:               6%
• Undecided                                                                  54%

The following are the polling results of Wisconsin Democratic primary voters when asked for whom they would vote:

• State Rep. Francesca Hong (Madison):                                                         14%
• Former Lieutenant Governor Mandela Barnes:                                             11%
• Lieutenant Governor Sara Rodriguez:                                                           3%
• Milwaukee County Executive David Crowley:                                                3%
• Former Non-Profit Executive Joel Brennan:                                      2%
• Former Wisconsin Economic Development Corp. CEO Missy Hughes:       1%
• State Sen. Kelda Roys (Madison):                                                     1%
• Former State Rep. Brett Hulsey (Madison Suburbs):                                    0%
• Carthage College Student Zachary Roper                                         0%
• Undecided                                                                                          65%

General Issues

The most important issue among registered voters:

• Inflation and the cost of living:                                    35%
• Illegal immigration and border security:                     14%
• Health insurance:                                            11%
• Jobs and the economy:                                              9%
• Property taxes:                                                            7%
• Affordability of housing:                                              6%
• Abortion policy:                                                           5%
• Public schools:                                                            5%
• Gun violence:                                                  5%
• Crime in your community:                               2%