| 1 | Mystic CDP (west-northwest) | $167,632 |
| 2 | Colchester CDP (west-southwest) | $140,234 |
| 3 | Stonington borough (northwest) | $135,375 |
| 4 | Oxoboxo River CDP (south-southeast) | $134,476 |
| 5 | Mystic CDP (east-southeast) | $133,415 |
| 6 | New London city (southwest) | $132,143 |
| 7 | Niantic CDP (south-southwest) | $129,464 |
| 8 | Niantic CDP (north-northwest) | $126,296 |
| 9 | Gales Ferry CDP (northeast) | $125,893 |
| 10 | Groton city (south-southeast) | $124,426 |
| 11 | Colchester CDP (east) | $122,625 |
| 12 | Groton Long Point borough | $122,216 |
| 13 | Old Mystic CDP | $118,472 |
| 14 | Oxoboxo River CDP (west) | $118,378 |
| 15 | Norwich city (south-southwest) | $116,776 |
| 16 | Mashantucket CDP (east) | $115,069 |
| 17 | Niantic CDP (east-northeast) | $110,787 |
| 18 | Oxoboxo River CDP (north-northwest) | $110,250 |
| 19 | Mashantucket CDP (northwest) | $109,375 |
| 20 | Niantic CDP (north) | $107,721 |
| 21 | South Windham CDP (south-southwest) | $106,594 |
| 22 | Stonington borough (south-southwest) | $106,563 |
| 23 | Gales Ferry CDP (south-southwest) | $104,688 |
| 24 | Norwich city (north-northwest) | $104,519 |
| 25 | Jewett City borough (east-southeast) | $103,065 |
| 26 | Mashantucket CDP (south) | $102,738 |
| 27 | Niantic CDP (west-northwest) | $102,386 |
| 28 | Stonington borough (east-southeast) | $101,615 |
| 29 | Baltic CDP (west-southwest) | $100,179 |
| 30 | Oxoboxo River CDP (east-southeast) | $100,024 |
| 31 | Oxoboxo River CDP (west-southwest) | $96,029 |
| 32 | Baltic CDP (east) | $94,302 |
| 33 | New London city (east-southeast) | $93,733 |
| 34 | Baltic CDP (north) | $89,838 |
| 35 | Norwich city (west-northwest) | $88,088 |
| 36 | Niantic CDP (south-southeast) | $86,719 |
| 37 | Colchester CDP (north-northwest) | $86,591 |
| 38 | Gales Ferry CDP (north-northwest) | $86,458 |
| 39 | Pawcatuck CDP | $84,150 |
| 40 | South Windham CDP (northeast) | $83,718 |
| 41 | Long Hill CDP (east-southeast) | $81,406 |
| 42 | Conning Towers-Nautilus Park CDP (northeast) | $78,941 |
| 43 | Waterford CDP (south-southeast) | $77,308 |
| 44 | Waterford CDP (west-southwest) | $76,391 |
| 45 | Long Hill CDP (west-northwest) | $76,197 |
| 46 | Oxoboxo River CDP (east-northeast) | $76,078 |
| 47 | Conning Towers-Nautilus Park CDP (southwest) | $72,286 |
| 48 | Mashantucket CDP (west) | $70,558 |
| 49 | Poquonock Bridge CDP | $69,882 |
| 50 | Norwich city (south-southeast 1) | $65,890 |
| 51 | South Windham CDP (northwest) | $65,032 |
| 52 | Jewett City borough (west-northwest) | $61,625 |
| 53 | Norwich city (north-northeast) | $60,535 |
| 54 | Waterford CDP (west-northwest) | $60,201 |
| 55 | Willimantic CDP (northeast) | $51,711 |
| 56 | Norwich city (east-northeast) | $50,603 |
| 57 | South Windham CDP (north) | $49,692 |
| 58 | Norwich city (south-southeast 2) | $48,224 |
| 59 | Willimantic CDP (east-southeast) | $47,750 |
| 60 | Groton city (north-northwest) | $47,722 |
| 61 | Waterford CDP (east) | $45,069 |
| 62 | New London city (north) | $43,235 |
| 63 | Waterford CDP (north) | $41,852 |
| 64 | Waterford CDP (east-northeast) | $36,104 |
| 65 | Willimantic CDP (west) | $34,808 |
| 66 | Norwich city (south) | $34,644 |