| Town of Haddam – Voter Registration Summary | |||||
| September 1, 2026 | |||||
| District | Democratic | Republican | Unaffiliated | Other | Total |
| 001 Firehouse | 889 | 921 | 1348 | 51 | 3209 |
| 002 Central Office | 679 | 882 | 1181 | 39 | 2781 |
| 003 Haddam Neck | 96 | 96 | 98 | 2 | 292 |
| Totals: | 1664 | 1899 | 2627 | 92 | 6282 |
| 26% | 30% | 42% | 1.46% | ||
