| 1 | Groton Long Point borough | $680,900 |
| 2 | Stonington borough (south-southwest) | $611,800 |
| 3 | Mystic CDP (east-southeast) | $571,000 |
| 4 | Mystic CDP (west-northwest) | $465,700 |
| 5 | Stonington borough (northwest) | $462,900 |
| 6 | New London city (southwest) | $422,400 |
| 7 | Niantic CDP (north-northwest) | $408,900 |
| 8 | Groton city (south-southeast) | $408,000 |
| 9 | Niantic CDP (north) | $407,400 |
| 10 | Niantic CDP (south-southwest) | $388,800 |
| 11 | Niantic CDP (south-southeast) | $384,400 |
| 12 | Mashantucket CDP (east) | $374,800 |
| 13 | Oxoboxo River CDP (west) | $373,400 |
| 14 | Stonington borough (east-southeast) | $370,500 |
| 15 | Colchester CDP (east) | $363,500 |
| 16 | Colchester CDP (west-southwest) | $362,600 |
| 17 | Niantic CDP (west-northwest) | $360,400 |
| 18 | Pawcatuck CDP | $346,000 |
| 19 | Mashantucket CDP (northwest) | $343,700 |
| 20 | Oxoboxo River CDP (south-southeast) | $342,700 |
| 21 | South Windham CDP (south-southwest) | $337,700 |
| 22 | Old Mystic CDP | $326,700 |
| 23 | Niantic CDP (east-northeast) | $312,400 |
| 24 | Jewett City borough (east-southeast) | $298,900 |
| 25 | Gales Ferry CDP (northeast) | $298,700 |
| 26 | Baltic CDP (east) | $297,000 |
| 27 | Gales Ferry CDP (south-southwest) | $295,300 |
| 28 | Oxoboxo River CDP (north-northwest) | $295,300 |
| 29 | New London city (east-southeast) | $290,100 |
| 30 | Baltic CDP (west-southwest) | $288,200 |
| 31 | Poquonock Bridge CDP | $286,900 |
| 32 | Oxoboxo River CDP (west-southwest) | $286,300 |
| 33 | Norwich city (west-northwest) | $285,500 |
| 34 | Mashantucket CDP (south) | $282,400 |
| 35 | Conning Towers-Nautilus Park CDP (southwest) | $279,000 |
| 36 | Oxoboxo River CDP (east-southeast) | $275,400 |
| 37 | Colchester CDP (north-northwest) | $275,200 |
| 38 | Long Hill CDP (west-northwest) | $264,800 |
| 39 | Waterford CDP (west-southwest) | $262,000 |
| 40 | Baltic CDP (north) | $260,700 |
| 41 | Norwich city (north-northwest) | $249,400 |
| 42 | Oxoboxo River CDP (east-northeast) | $246,000 |
| 43 | Gales Ferry CDP (north-northwest) | $245,100 |
| 44 | South Windham CDP (northeast) | $236,900 |
| 45 | New London city (north) | $231,100 |
| 46 | Norwich city (south-southwest) | $230,300 |
| 47 | Waterford CDP (east) | $227,500 |
| 48 | Groton city (north-northwest) | $225,700 |
| 49 | Waterford CDP (south-southeast) | $220,800 |
| 50 | Norwich city (south) | $219,400 |
| 51 | Waterford CDP (east-northeast) | $214,100 |
| 52 | Norwich city (east-northeast) | $213,700 |
| 53 | Waterford CDP (north) | $211,400 |
| 54 | Mashantucket CDP (west) | $210,500 |
| 55 | Jewett City borough (west-northwest) | $208,900 |
| 56 | Norwich city (south-southeast 2) | $203,900 |
| 57 | Waterford CDP (west-northwest) | $202,800 |
| 58 | South Windham CDP (northwest) | $197,200 |
| 59 | Norwich city (north-northeast) | $189,100 |
| 60 | Willimantic CDP (west) | $177,700 |
| 61 | Conning Towers-Nautilus Park CDP (northeast) | $175,800 |
| 62 | Willimantic CDP (northeast) | $174,300 |
| 63 | Norwich city (south-southeast 1) | $171,400 |
| 64 | Willimantic CDP (east-southeast) | $163,900 |
| 65 | South Windham CDP (north) | $144,400 |
| 66 | Long Hill CDP (east-southeast) | $115,200 |