2018Final results
2018 election for Wisconsin Senate District 31
Wisconsin State Senate · Wisconsin
Jeff Smith (D) won with 51.7% of the vote, defeating Mel Pittman (R) by 5.7 points.
Jeff SmithDemocrat · winner
51.7%40,073
Mel PittmanRepublican
46.0%35,684
Aaron Elaine CamachoIndependent
2.3%1,776
77,533 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET