| 1 | Jewett City borough (east-southeast) | 100% |
| 2 | Baltic CDP (east) | 94.7% |
| 3 | Oxoboxo River CDP (south-southeast) | 94% |
| 4 | Mashantucket CDP (northwest) | 92.4% |
| 5 | Mashantucket CDP (east) | 92.1% |
| 6 | Old Mystic CDP | 91% |
| 7 | Norwich city (north-northwest) | 90.3% |
| 8 | Oxoboxo River CDP (west-southwest) | 89.4% |
| 9 | Colchester CDP (west-southwest) | 89% |
| 10 | Mashantucket CDP (south) | 88.8% |
| 11 | Stonington borough (northwest) | 88.5% |
| 12 | Oxoboxo River CDP (west) | 87.9% |
| 13 | Groton city (south-southeast) | 86.7% |
| 14 | Baltic CDP (west-southwest) | 85.7% |
| 15 | Oxoboxo River CDP (north-northwest) | 85.1% |
| 16 | Groton Long Point borough | 85% |
| 17 | Gales Ferry CDP (south-southwest) | 84.3% |
| 18 | South Windham CDP (south-southwest) | 83.5% |
| 19 | Niantic CDP (west-northwest) | 83.3% |
| 20 | New London city (southwest) | 83.1% |
| 21 | Gales Ferry CDP (northeast) | 82.8% |
| 22 | Mystic CDP (west-northwest) | 82.6% |
| 23 | Colchester CDP (east) | 82.4% |
| 24 | Niantic CDP (south-southwest) | 82.2% |
| 25 | Norwich city (south-southwest) | 81.2% |
| 26 | Oxoboxo River CDP (east-southeast) | 80.4% |
| 27 | South Windham CDP (northeast) | 80.2% |
| 28 | Gales Ferry CDP (north-northwest) | 79.8% |
| 29 | Niantic CDP (east-northeast) | 79.1% |
| 30 | Niantic CDP (north) | 78.3% |
| 31 | Stonington borough (east-southeast) | 76.7% |
| 32 | Oxoboxo River CDP (east-northeast) | 76.4% |
| 33 | Norwich city (west-northwest) | 75% |
| 34 | Niantic CDP (north-northwest) | 72.8% |
| 35 | Stonington borough (south-southwest) | 72.7% |
| 36 | Niantic CDP (south-southeast) | 71.9% |
| 37 | Waterford CDP (west-southwest) | 71.8% |
| 38 | Mystic CDP (east-southeast) | 69.9% |
| 39 | Baltic CDP (north) | 66.5% |
| 40 | Waterford CDP (south-southeast) | 66.2% |
| 41 | New London city (east-southeast) | 62.7% |
| 42 | Poquonock Bridge CDP | 60.8% |
| 43 | South Windham CDP (northwest) | 58.6% |
| 44 | Colchester CDP (north-northwest) | 57.4% |
| 45 | Pawcatuck CDP | 55.3% |
| 46 | Norwich city (north-northeast) | 51% |
| 47 | Jewett City borough (west-northwest) | 49.1% |
| 48 | Long Hill CDP (west-northwest) | 48.5% |
| 49 | South Windham CDP (north) | 48.5% |
| 50 | Norwich city (east-northeast) | 48.3% |
| 51 | Norwich city (south-southeast 1) | 44.1% |
| 52 | Conning Towers-Nautilus Park CDP (southwest) | 42.2% |
| 53 | Norwich city (south) | 42.2% |
| 54 | Mashantucket CDP (west) | 42.1% |
| 55 | Willimantic CDP (northeast) | 40% |
| 56 | Waterford CDP (east) | 38.9% |
| 57 | Waterford CDP (west-northwest) | 36.7% |
| 58 | Willimantic CDP (west) | 36% |
| 59 | New London city (north) | 35.1% |
| 60 | Long Hill CDP (east-southeast) | 31.4% |
| 61 | Norwich city (south-southeast 2) | 28.5% |
| 62 | Conning Towers-Nautilus Park CDP (northeast) | 26% |
| 63 | Groton city (north-northwest) | 22.7% |
| 64 | Waterford CDP (north) | 16.9% |
| 65 | Willimantic CDP (east-southeast) | 14.7% |
| 66 | Waterford CDP (east-northeast) | 13.8% |