2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Rhode Island House District 31
Rhode Island House of Representatives · Rhode Island
Doreen Marie Costa (R) won with 54.2% of the vote, defeating Kenneth Carter (D) by 8.3 points, a seat Democrats won last time.
Doreen Marie CostaRepublican · winner
54.2%2,858
Kenneth CarterDemocrat · incumbent
45.8%2,418
5,276 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET