| 1 | Willimantic CDP (east-southeast) | 65.9% |
| 2 | Waterford CDP (east) | 56.4% |
| 3 | New London city (north) | 47.2% |
| 4 | South Windham CDP (north) | 46.1% |
| 5 | Waterford CDP (west-northwest) | 44.2% |
| 6 | South Windham CDP (northwest) | 41.7% |
| 7 | Waterford CDP (south-southeast) | 37.5% |
| 8 | Willimantic CDP (west) | 36.6% |
| 9 | Norwich city (east-northeast) | 35.8% |
| 10 | Waterford CDP (east-northeast) | 35.3% |
| 11 | Willimantic CDP (northeast) | 31.6% |
| 12 | Waterford CDP (north) | 31.3% |
| 13 | Norwich city (south) | 26.8% |
| 14 | Groton city (north-northwest) | 26% |
| 15 | Mashantucket CDP (west) | 24.2% |
| 16 | Norwich city (south-southeast 2) | 22.5% |
| 17 | Norwich city (north-northeast) | 22.3% |
| 18 | Norwich city (south-southeast 1) | 21% |
| 19 | Conning Towers-Nautilus Park CDP (northeast) | 20.8% |
| 20 | Gales Ferry CDP (south-southeast) | 20.2% |
| 21 | Poquonock Bridge CDP | 14.3% |
| 22 | Oxoboxo River CDP (east-northeast) | 13.8% |
| 23 | Norwich city (south-southwest) | 13.5% |
| 24 | Norwich city (north-northwest) | 13.1% |
| 25 | Gales Ferry CDP (north-northwest) | 13% |
| 26 | Conning Towers-Nautilus Park CDP (southwest) | 12.5% |
| 27 | New London city (east-southeast) | 11.5% |
| 28 | South Windham CDP (northeast) | 11.3% |
| 29 | Niantic CDP (west-northwest) | 10.9% |
| 30 | Mashantucket CDP (south) | 10.4% |
| 31 | Waterford CDP (west-southwest) | 10.4% |
| 32 | Baltic CDP (north) | 9.9% |
| 33 | Mashantucket CDP (east) | 9.8% |
| 34 | Old Mystic CDP | 7.9% |
| 35 | Long Hill CDP (west-northwest) | 7.8% |
| 36 | Long Hill CDP (east-southeast) | 7.6% |
| 37 | Gales Ferry CDP (northeast) | 7.1% |
| 38 | Gales Ferry CDP (south-southwest) | 7.1% |
| 39 | Oxoboxo River CDP (east-southeast) | 7.1% |
| 40 | Norwich city (west-northwest) | 6.6% |
| 41 | Niantic CDP (north-northwest) | 6.3% |
| 42 | Colchester CDP (north-northwest) | 6.2% |
| 43 | Colchester CDP (west-southwest) | 5.8% |
| 44 | Jewett City borough (west-northwest) | 5.6% |
| 45 | Pawcatuck CDP | 5% |
| 46 | Jewett City borough (east-southeast) | 4.9% |
| 47 | Niantic CDP (east-northeast) | 4.9% |
| 48 | South Windham CDP (south-southwest) | 4.7% |
| 49 | Baltic CDP (west-southwest) | 4.6% |
| 50 | Niantic CDP (south-southwest) | 4.4% |
| 51 | Stonington borough (northwest) | 4.3% |
| 52 | Niantic CDP (north) | 4.2% |
| 53 | Oxoboxo River CDP (north-northwest) | 4.2% |
| 54 | Oxoboxo River CDP (west) | 4.1% |
| 55 | New London city (southwest) | 3.7% |
| 56 | Groton city (south-southeast) | 3.3% |
| 57 | Mashantucket CDP (northwest) | 3.2% |
| 58 | Oxoboxo River CDP (west-southwest) | 3.1% |
| 59 | Colchester CDP (east) | 3% |
| 60 | Stonington borough (south-southwest) | 3% |
| 61 | Stonington borough (east-southeast) | 2.4% |
| 62 | Oxoboxo River CDP (south-southeast) | 1.6% |
| 63 | Baltic CDP (east) | 1.4% |
| 64 | Groton Long Point borough | 1.1% |
| 65 | Mystic CDP (east-southeast) | 1% |
| 66 | Mystic CDP (west-northwest) | 1% |
| 67 | Niantic CDP (south-southeast) | 0.3% |