1980Final results
1980 election for New Hampshire Senate District 18
New Hampshire State Senate · New Hampshire
Robert Stephen (D) won with 70.0% of the vote, defeating Tseronis (R) by 40.1 points.
Robert StephenDemocrat · winner
70.0%7,178
TseronisRepublican
30.0%3,069
10,247 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 1980
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)