electionsmcp › races › Connecticut State Senate District 21
Connecticut State Senate District 21
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 21 →
Current officeholder
Jason Perillo Republican
2024 result
Republican R+100.0
2024 votes cast
36,236
Office
State Senate
Precinct results — 2024 general
23 precincts reported in Connecticut State Senate District 21's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 09001-DISTRICT 2-Shelton Intermediate School | Republican | R+100.0 | 6,418 |
| 09001-DISTRICT 3-Long Hill School | Republican | R+100.0 | 3,512 |
| 09001-DISTRICT 4-Mohegan School | Republican | R+100.0 | 3,168 |
| 09001-DISTRICT 1-Elizabeth Shelton School | Republican | R+100.0 | 2,683 |
| 09001-DISTRICT 4-Masuk High School | Republican | R+100.0 | 2,650 |
| 09001-DISTRICT 1-Fawn Hollow School | Republican | R+100.0 | 2,454 |
| 09009-DISTRICT 2-District 2 Bungay School | Republican | R+100.0 | 2,218 |
| 09001-DISTRICT 11-11-Lordship Elementary School 121 21 | Republican | R+100.0 | 1,684 |
| 09001-DISTRICT 70-1-Wilcoxson School 120 21 | Republican | R+100.0 | 1,651 |
| 09001-DISTRICT 100-1-Second Hill Lane 120 21 | Republican | R+100.0 | 1,625 |
| 09001-DISTRICT 90-1-Bunnell High School 120 21 | Republican | R+100.0 | 1,137 |
| 09001-DISTRICT 60-1-Wooster Middle School 120 21 | Republican | R+100.0 | 1,105 |
| 09001-DISTRICT 80-21-Chapel Street School 122 21 | Republican | R+100.0 | 1,042 |
| 09001-DISTRICT 20-1-Stratford High School 120 21 | Republican | R+100.0 | 904 |
| 09001-DISTRICT 90-21-Bunnell High Scool 122-21 | Republican | R+100.0 | 750 |
| 09001-DISTRICT 50-11-Nichols School 121 21 | Republican | R+100.0 | 726 |
| 09001-DISTRICT 80-1-Chapel Street School 120 21 | Republican | R+100.0 | 661 |
| 09001-DISTRICT 20-11-Stratford High School 121-21 | Republican | R+100.0 | 531 |
| 09001-DISTRICT 40-11-Franklin School 121 21 | Republican | R+100.0 | 454 |
| 09001-DISTRICT 60-11-Wooster Middle School 121 21 | Republican | R+100.0 | 391 |
All 23 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 21 in five steps
- Set the candidates. Name the contenders for the Connecticut State Senate District 21 (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 21 in the simulator →
Frequently asked
Who represents Connecticut State Senate District 21?
Jason Perillo (Republican) currently holds this State Senate seat.
What was the 2024 result in Connecticut State Senate District 21?
R+100.0 — 0 Democratic, 36,236 Republican, of 36,236 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.