2018Final results
2018 election for Rhode Island House District 15
Rhode Island House of Representatives · Rhode Island
Nicholas A. Mattiello (D) won with 52.3% of the vote, defeating Steven Frias (R) by 5.0 points.
Nicholas A. MattielloDemocrat · winner · incumbent
52.3%3,464
Steven FriasRepublican
47.3%3,135
6,628 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