| Town of Haddam – Voter Registration Summary | |||||
| July 1, 2026 | |||||
| District | Democratic | Republican | Unaffiliated | Other | Total |
| 001 Firehouse | 866 | 909 | 1345 | 49 | 3169 |
| 002 Central Office | 664 | 879 | 1171 | 39 | 2753 |
| 003 Haddam Neck | 94 | 95 | 102 | 2 | 293 |
| Totals: | 1624 | 1883 | 2618 | 90 | 6215 |
| 26% | 30% | 42% | 1.45% | ||
