The 2018 Wisconsin Attorney General election took place on November 6, 2018, to elect the attorney general of Wisconsin.

Republican incumbent Brad Schimel, first elected in 2014, ran for re-election to a second term. Voting rights attorney and former federal prosecutor Josh Kaul, the Democratic nominee, narrowly defeated Schimel in the general election. Terry Larson, the Constitution Party nominee, also garnered around 2% of the vote, greater than the vote difference between Schimel and Kaul.

Republican primary

Incumbent Attorney General Brad Schimel ran unopposed in the Republican primary.

Republican primary results
PartyCandidateVotes%
RepublicanBrad Schimel (incumbent)394,79999.77%
RepublicanWrite-in8960.23%
Total votes395,695100.0%

Democratic primary

Attorney Josh Kaul won the Democratic nomination unopposed.

Democratic primary results
PartyCandidateVotes%
DemocraticJosh Kaul432,95499.65%
DemocraticWrite-in1,5090.35%
Total votes434,463100.0%

Constitution primary

Terry Larson won the Constitution Party nomination unopposed.

Constitution primary results
PartyCandidateVotes%
ConstitutionTerry Larson354100.0%
Total votes354100.0%

General election

Polling

Poll sourceDate(s) administeredSample sizeMargin of errorBrad Schimel (R)Josh Kaul (D)Undecided
Marquette UniversityOctober 24–28, 20181,154 LV± 3.2%47%45%8%
1,400 RV± 3.0%45%43%12%
Marquette UniversityOctober 3–7, 2018799 LV± 3.9%47%43%10%
1,000 RV± 3.6%45%41%14%
Marquette UniversitySeptember 12–16, 2018614 LV± 4.4%48%41%11%
800 RV± 4.0%47%40%13%

Results

Kaul won the election by a 0.65% margin.

Wisconsin Attorney General election, 2018
PartyCandidateVotes%
DemocraticJosh Kaul1,305,90249.41%
RepublicanBrad Schimel (incumbent)1,288,71248.76%
ConstitutionTerry Larson47,0381.78%
Write-in1,1990.05%
Total votes2,642,851100.00%
Democratic gain from Republican

By congressional district

Despite losing the state, Schimel won five of eight congressional districts.

DistrictSchimelKaulRepresentative
1st55%43%Paul Ryan
2nd30%69%Mark Pocan
3rd48%50%Ron Kind
4th24%74%Gwen Moore
5th62%37%Jim Sensenbrenner
6th57%41%Glenn Grothman
7th57%41%Sean Duffy
8th56%42%Mike Gallagher

See also