| Town | Spring 18 | Spring 19 | Spring 20 | Spring 21 | Spring 22 |
|---|---|---|---|---|---|
| Bozrah | 31 (0.9%) | 27 (0.8%) | 21 (0.6%) | 16 (0.6%) | 18 (0.7%) |
| Canterbury | 59 (1.6%) | 44 (1.2%) | 45 (1.3%) | 37 (1.3%) | 41 (1.5%) |
| Colchester | 133 (3.6%) | 128 (3.6%) | 111 (3.3%) | 90 (3.2%) | 102 (3.8%) |
| East Lyme | 62 (1.7%) | 55 (1.5%) | 43 (1.3%) | 38 (1.4%) | 52 (2%) |
| Griswold | 68 (1.9%) | 70 (2%) | 67 (2%) | 32 (1.2%) | 59 (2.2%) |
| Groton | 336 (9.2%) | 317 (8.8%) | 320 (9.6%) | 267 (9.6%) | 231 (8.7%) |
| Lebanon | 62 (1.7%) | 64 (1.8%) | 49 (1.5%) | 38 (1.4%) | 38 (1.4%) |
| Ledyard | 113 (3.1%) | 120 (3.3%) | 121 (3.6%) | 74 (2.7%) | 60 (2.3%) |
| Lisbon | 56 (1.5%) | 59 (1.6%) | 39 (1.2%) | 19 (0.7%) | 26 (1%) |
| New London | 339 (9.3%) | 319 (8.9%) | 309 (9.2%) | 261 (9.4%) | 245 (9.2%) |
| North Stonington | 49 (1.3%) | 55 (1.5%) | 45 (1.3%) | 37 (1.3%) | 29 (1.1%) |
| Norwich | 613 (16.8%) | 578 (16.1%) | 569 (17%) | 451 (16.2%) | 472 (17.8%) |
| Old Lyme | 30 (0.8%) | 25 (0.7%) | 21 (0.6%) | 16 (0.6%) | 16 (0.6%) |
| Other Towns | 1404 (38.5%) | 1406 (39.2%) | 1269 (38%) | 1123 (40.4%) | 1001 (37.7%) |
| Preston | 54 (1.5%) | 57 (1.6%) | 54 (1.6%) | 52 (1.9%) | 58 (2.2%) |
| Salem | 34 (0.9%) | 43 (1.2%) | 36 (1.1%) | 24 (0.9%) | 22 (0.8%) |
| Stonington | 19 (0.5%) | 29 (0.8%) | 34 (1%) | 32 (1.2%) | 10 (0.4%) |
| Voluntown | 38 (1%) | 30 (0.8%) | 28 (0.8%) | 26 (0.9%) | 26 (1%) |
| Waterford | 145 (4%) | 161 (4.5%) | 161 (4.8%) | 146 (5.3%) | 148 (5.6%) |