| 1 | Quinnipiac University CDP (west-southwest) | 7,855 |
| 2 | Quinnipiac University CDP (east-northeast) | 7,643 |
| 3 | North Haven CDP (southeast) | 7,594 |
| 4 | New Haven city (north-northwest 1) | 7,289 |
| 5 | Madison Center CDP (northwest) | 7,061 |
| 6 | Unincorporated (east 2) | 6,970 |
| 7 | New Haven city (west-northwest 1) | 6,863 |
| 8 | West Haven city (north) | 6,849 |
| 9 | West Haven city (west) | 6,685 |
| 10 | West Haven city (south-southwest 2) | 6,613 |
| 11 | Unincorporated (east 4) | 6,581 |
| 12 | Northford CDP | 6,517 |
| 13 | Milford city (balance) (west) | 6,509 |
| 14 | Milford city (balance) (east-northeast 1) | 6,355 |
| 15 | Meriden city (south-southwest) | 6,330 |
| 16 | New Haven city (northeast 2) | 6,183 |
| 17 | New Haven city (west-northwest 3) | 6,139 |
| 18 | Unincorporated (north-northeast) | 6,133 |
| 19 | New Haven city (northeast 3) | 5,970 |
| 20 | Unincorporated (north-northwest 3) | 5,912 |
| 21 | Unincorporated (southeast 3) | 5,793 |
| 22 | Meriden city (south-southeast) | 5,704 |
| 23 | New Haven city (east-northeast 2) | 5,702 |
| 24 | Unincorporated (west 1) | 5,615 |
| 25 | New Haven city (east-southeast 1) | 5,592 |
| 26 | Unincorporated (east 3) | 5,590 |
| 27 | Madison Center CDP (north) | 5,561 |
| 28 | Meriden city (west-southwest 1) | 5,537 |
| 29 | West Haven city (northwest) | 5,508 |
| 30 | Unincorporated (west-southwest 6) | 5,501 |
| 31 | New Haven city (north-northeast) | 5,477 |
| 32 | New Haven city (east 2) | 5,465 |
| 33 | West Haven city (east) | 5,382 |
| 34 | East Haven CDP (south-southwest) | 5,377 |
| 35 | Branford Center CDP (north-northeast) | 5,298 |
| 36 | Unincorporated (west-northwest 3) | 5,280 |
| 37 | New Haven city (west 4) | 5,197 |
| 38 | Unincorporated (north-northwest 1) | 5,111 |
| 39 | Wallingford Center CDP (east-southeast) | 5,089 |
| 40 | Unincorporated (west-southwest 3) | 5,019 |
| 41 | New Haven city (southwest 1) | 5,002 |
| 42 | New Haven city (southeast) | 4,965 |
| 43 | West Haven city (south-southwest 1) | 4,943 |
| 44 | Meriden city (southeast 1) | 4,941 |
| 45 | New Haven city (northwest) | 4,907 |
| 46 | Unincorporated (west 2) | 4,849 |
| 47 | Milford city (balance) (west-northwest) | 4,781 |
| 48 | West Haven city (northeast) | 4,761 |
| 49 | Unincorporated (west-northwest 2) | 4,756 |
| 50 | Meriden city (north) | 4,704 |
| 51 | East Haven CDP (south 2) | 4,656 |
| 52 | Unincorporated (west-southwest 5) | 4,628 |
| 53 | West Haven city (south) | 4,623 |
| 54 | Unincorporated (west-southwest 4) | 4,516 |
| 55 | New Haven city (west-northwest 2) | 4,474 |
| 56 | Unincorporated (west 3) | 4,436 |
| 57 | Milford city (balance) (north-northwest) | 4,430 |
| 58 | North Haven CDP (west-southwest) | 4,368 |
| 59 | North Haven CDP (north-northeast) | 4,336 |
| 60 | Branford Center CDP (south-southwest) | 4,303 |
| 61 | Unincorporated (south-southeast 2) | 4,291 |
| 62 | Wallingford Center CDP (north-northwest) | 4,270 |
| 63 | New Haven city (north) | 4,200 |
| 64 | Wallingford Center CDP (south) | 4,192 |
| 65 | Orange CDP (north-northeast) | 4,185 |
| 66 | Milford city (balance) (southwest 2) | 4,158 |
| 67 | North Haven CDP (south) | 4,149 |
| 68 | New Haven city (east-northeast 1) | 4,145 |
| 69 | East Haven CDP (north 1) | 4,125 |
| 70 | Milford city (balance) (east) | 4,104 |
| 71 | New Haven city (west 2) | 4,093 |
| 72 | Orange CDP (south-southwest) | 4,061 |
| 73 | Meriden city (northeast) | 4,037 |
| 74 | Unincorporated (north 2) | 4,022 |
| 75 | New Haven city (west-southwest) | 4,021 |
| 76 | Milford city (balance) (south-southwest) | 3,973 |
| 77 | Milford city (balance) (east-northeast 2) | 3,956 |
| 78 | Milford city (balance) (north-northeast) | 3,946 |
| 79 | Meriden city (east-northeast 1) | 3,944 |
| 80 | West Haven city (southeast 1) | 3,835 |
| 81 | New Haven city (west 1) | 3,806 |
| 82 | North Haven CDP (northwest) | 3,730 |
| 83 | Milford city (balance) (southwest 1) | 3,692 |
| 84 | New Haven city (south-southwest 2) | 3,680 |
| 85 | Unincorporated (west-southwest 1) | 3,636 |
| 86 | New Haven city (southwest 2) | 3,563 |
| 87 | Meriden city (north-northeast 2) | 3,547 |
| 88 | New Haven city (south) | 3,511 |
| 89 | New Haven city (northeast 1) | 3,488 |
| 90 | East Haven CDP (north-northeast) | 3,461 |
| 91 | Unincorporated (west-southwest 2) | 3,426 |
| 92 | Unincorporated (east-southeast) | 3,425 |
| 93 | Unincorporated (east-northeast) | 3,404 |
| 94 | Orange CDP (west-northwest) | 3,294 |
| 95 | New Haven city (east 1) | 3,252 |
| 96 | Milford city (balance) (south) | 3,249 |
| 97 | West Haven city (southeast 2) | 3,214 |
| 98 | Milford city (balance) (northeast) | 3,187 |
| 99 | East Haven CDP (north 2) | 3,132 |
| 100 | Guilford Center CDP | 3,037 |
| 101 | New Haven city (west 3) | 3,015 |
| 102 | Unincorporated (south-southeast 1) | 2,998 |
| 103 | Meriden city (east-southeast) | 2,961 |
| 104 | Wallingford Center CDP (north) | 2,912 |
| 105 | New Haven city (north-northwest 2) | 2,871 |
| 106 | Madison Center CDP (south-southeast) | 2,806 |
| 107 | Meriden city (southwest) | 2,763 |
| 108 | Unincorporated (southeast 2) | 2,746 |
| 109 | Unincorporated (west-southwest 7) | 2,740 |
| 110 | West Haven city (north-northwest) | 2,734 |
| 111 | Orange CDP (east-southeast) | 2,711 |
| 112 | New Haven city (south-southeast 2) | 2,704 |
| 113 | Meriden city (west-southwest 2) | 2,702 |
| 114 | Unincorporated (southeast 1) | 2,661 |
| 115 | New Haven city (south-southwest 1) | 2,623 |
| 116 | Wallingford Center CDP (west-southwest) | 2,508 |
| 117 | East Haven CDP (south 3) | 2,500 |
| 118 | Unincorporated (west 4) | 2,482 |
| 119 | East Haven CDP (northwest) | 2,384 |
| 120 | Meriden city (west-northwest 1) | 2,318 |
| 121 | Meriden city (west-southwest 3) | 2,239 |
| 122 | Unincorporated (west-northwest 1) | 2,236 |
| 123 | Unincorporated (east 1) | 2,149 |
| 124 | Meriden city (east-northeast 2) | 2,127 |
| 125 | East Haven CDP (south 1) | 2,094 |
| 126 | Unincorporated (north 1) | 2,059 |
| 127 | Meriden city (southeast 2) | 1,842 |
| 128 | Unincorporated (north-northwest 2) | 1,831 |
| 129 | Meriden city (west-northwest 2) | 1,722 |
| 130 | New Haven city (east-southeast 2) | 1,708 |
| 131 | Meriden city (northwest) | 1,615 |
| 132 | New Haven city (east-northeast 3) | 1,497 |
| 133 | Meriden city (north-northeast 1) | 1,385 |
| 134 | New Haven city (south-southwest 3) | 1,056 |
| 135 | New Haven city (south-southeast 1) | 435 |