| Town of Haddam – Voter Registration Summary | |||||
| April 1, 2026 | |||||
| District | Democratic | Republican | Unaffiliated | Other | Total |
| 001 Firehouse | 860 | 901 | 1334 | 47 | 3142 |
| 002 Central Office | 653 | 880 | 1158 | 40 | 2731 |
| 003 Haddam Neck | 93 | 95 | 101 | 2 | 291 |
| Totals: | 1606 | 1876 | 2593 | 89 | 6164 |
| 26% | 30% | 42% | 1.44% | ||
