electionsmcp › races › Connecticut State Senate District 18
Connecticut State Senate District 18
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how Connecticut actually voted.
Model Connecticut State Senate District 18 →
Current officeholder
Heather S. Somers Republican
2024 result
Republican R+18.1
2024 votes cast
49,341
Office
State Senate
Precinct results — 2024 general
20 precincts reported in Connecticut State Senate District 18's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 09011-DISTRICT 1-Griswold High School | Republican | R+39.5 | 5,863 |
| 09011-DISTRICT 4-Mary Morrisson Elementary School | Republican | R+0.4 | 3,479 |
| 09011-DISTRICT 1-North Stonington Education Center | Republican | R+29.9 | 3,149 |
| 09015-DISTRICT 3-44-3 Moosup Fire Station | Republican | R+37.5 | 2,874 |
| 09011-DISTRICT 3-Saint Michael Church | Republican | R+18.1 | 2,795 |
| 09011-DISTRICT 1-Preston Plains Middle School | Republican | R+33.8 | 2,722 |
| 09015-DISTRICT 1-47-1 Town Hall | Republican | R+33.6 | 2,704 |
| 09011-DISTRICT 6-Mystic River Magnet | Democratic | D+1.9 | 2,655 |
| 09011-DISTRICT 4-Stonington Middle School | Democratic | D+7.0 | 2,500 |
| 09011-DISTRICT 2-Former Pawcatuck Middle School | Republican | R+8.4 | 2,369 |
| 09011-DISTRICT 1-Stonington Fire House | Democratic | D+11.3 | 2,270 |
| 09011-DISTRICT 5-School Administration Bldg | Republican | R+11.6 | 2,190 |
| 09011-DISTRICT 7-Robert E Fitch Sr High School | Republican | R+5.7 | 2,113 |
| 09011-DISTRICT 1-Groton Public Library | Democratic | D+2.8 | 2,001 |
| 09011-DISTRICT 3-City Of Groton Municipal Building | Democratic | D+0.2 | 1,929 |
| 09015-DISTRICT 1-Sterling Municipal Building | Republican | R+52.0 | 1,917 |
| 09011-DISTRICT 2-Thames River Magnet | Democratic | D+1.8 | 1,760 |
| 09011-DISTRICT 1-Voluntown Elementary School | Republican | R+48.8 | 1,454 |
| 09011-DISTRICT 5-Board Of Education Administration Building | Republican | R+7.7 | 1,385 |
| 09015-DISTRICT 2-44-1 Town Hall | Republican | R+33.8 | 1,212 |
All 20 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
Enter a ZIP code or a district (e.g. NC-4) to find your U.S. House district and who represents it.
Model Connecticut State Senate District 18 in five steps
- Set the candidates. Name the contenders for the Connecticut State Senate District 18 (or keep the generic Democrat / Republican defaults). The map starts from real 2024 results in every precinct.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Drill to precincts. Zoom from the state down to individual precincts and override any of them by hand.
- Roll up & share. Roll the result up to chamber control, then publish a shareable, frozen link to your scenario.
Open Connecticut State Senate District 18 in the simulator →
Frequently asked
Who represents Connecticut State Senate District 18?
Heather S. Somers (Republican) currently holds this State Senate seat.
What was the 2024 result in Connecticut State Senate District 18?
R+18.1 — 20,217 Democratic, 29,124 Republican, of 49,341 votes cast.
Can I model this race myself?
Yes — open it in the electionsmcp simulator and model vote-share swing and turnout from the real 2024 baseline, down to the precinct, then roll it up to chamber control.