2024Final results
2024 election for Indiana Senate District 3
Indiana State Senate · Indiana
Mark Spencer (D) won with 73.1% of the vote, defeating Will Miller (R) by 46.2 points.
Mark SpencerDemocrat · winner
73.1%33,401
Will MillerRepublican
26.9%12,279
The same year, the district voted D+40.7 for president; this race was D+46.2.45,680 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET