| 1 | Unincorporated (north-northwest) | 8,860 |
| 2 | Unincorporated (north-northeast 2) | 8,807 |
| 3 | Nashua city (south-southeast 2) | 7,412 |
| 4 | Manchester city (south 2) | 7,164 |
| 5 | Unincorporated (north-northeast 1) | 7,044 |
| 6 | Nashua city (southeast 3) | 6,880 |
| 7 | Unincorporated (east-northeast) | 6,799 |
| 8 | Nashua city (east-northeast 1) | 6,721 |
| 9 | Pinardville CDP (east) | 6,487 |
| 10 | Goffstown CDP (northeast) | 6,475 |
| 11 | Manchester city (east 3) | 6,343 |
| 12 | Klondike Corner CDP | 6,131 |
| 13 | Nashua city (north 3) | 6,107 |
| 14 | Unincorporated (west-northwest 3) | 6,101 |
| 15 | Unincorporated (east-southeast 2) | 6,005 |
| 16 | Unincorporated (north 1) | 5,913 |
| 17 | Manchester city (southeast 1) | 5,849 |
| 18 | Manchester city (northwest 1) | 5,813 |
| 19 | Nashua city (south-southwest) | 5,775 |
| 20 | Amherst CDP | 5,720 |
| 21 | Manchester city (southeast 3) | 5,689 |
| 22 | Unincorporated (north 2) | 5,689 |
| 23 | Manchester city (east 1) | 5,587 |
| 24 | Nashua city (north 1) | 5,472 |
| 25 | Manchester city (southeast 2) | 5,357 |
| 26 | Manchester city (west-southwest 1) | 5,343 |
| 27 | Unincorporated (northwest 2) | 5,248 |
| 28 | Unincorporated (northeast) | 5,152 |
| 29 | Unincorporated (east 1) | 5,146 |
| 30 | Nashua city (south) | 5,095 |
| 31 | Milford CDP (south) | 5,049 |
| 32 | Manchester city (northeast) | 5,041 |
| 33 | Nashua city (east-southeast) | 5,038 |
| 34 | Manchester city (north-northwest 1) | 5,013 |
| 35 | Hudson CDP (north-northwest) | 4,930 |
| 36 | Nashua city (north 2) | 4,927 |
| 37 | Manchester city (east-southeast) | 4,844 |
| 38 | Unincorporated (east-southeast 1) | 4,786 |
| 39 | Unincorporated (south 2) | 4,762 |
| 40 | Nashua city (west) | 4,711 |
| 41 | Francestown CDP | 4,684 |
| 42 | Unincorporated (west-southwest) | 4,622 |
| 43 | Nashua city (northwest) | 4,266 |
| 44 | Nashua city (north-northeast) | 4,166 |
| 45 | Nashua city (south-southeast 1) | 4,096 |
| 46 | Milford CDP (east) | 4,091 |
| 47 | Nashua city (west-northwest 1) | 4,008 |
| 48 | Hillsborough CDP (northeast) | 3,972 |
| 49 | Milford CDP (north-northwest) | 3,971 |
| 50 | Goffstown CDP (southwest) | 3,964 |
| 51 | Nashua city (southeast 2) | 3,957 |
| 52 | Manchester city (south-southwest) | 3,937 |
| 53 | Wilton CDP | 3,935 |
| 54 | Unincorporated (northwest 1) | 3,893 |
| 55 | Manchester city (north-northeast 2) | 3,832 |
| 56 | Unincorporated (east-southeast 4) | 3,805 |
| 57 | Unincorporated (south 1) | 3,768 |
| 58 | East Merrimack CDP (north) | 3,563 |
| 59 | Manchester city (south 1) | 3,529 |
| 60 | Manchester city (south-southeast 2) | 3,440 |
| 61 | Unincorporated (east-southeast 5) | 3,423 |
| 62 | Unincorporated (east 3) | 3,415 |
| 63 | Unincorporated (east 2) | 3,413 |
| 64 | Manchester city (northwest 2) | 3,405 |
| 65 | Manchester city (west 1) | 3,356 |
| 66 | Unincorporated (east 4) | 3,343 |
| 67 | Manchester city (north-northwest 2) | 3,341 |
| 68 | Peterborough CDP (north) | 3,328 |
| 69 | Manchester city (west-southwest 2) | 3,195 |
| 70 | Manchester city (north 2) | 3,168 |
| 71 | Milford CDP (northwest) | 3,147 |
| 72 | Unincorporated (south-southwest 1) | 3,136 |
| 73 | Nashua city (southeast 1) | 3,129 |
| 74 | Peterborough CDP (south) | 3,128 |
| 75 | Manchester city (north-northeast 1) | 2,984 |
| 76 | Manchester city (west 2) | 2,861 |
| 77 | Unincorporated (east-southeast 3) | 2,711 |
| 78 | Antrim CDP | 2,657 |
| 79 | Manchester city (southwest 1) | 2,652 |
| 80 | Nashua city (west-northwest 2) | 2,645 |
| 81 | Unincorporated (west-northwest 1) | 2,619 |
| 82 | East Merrimack CDP (south) | 2,596 |
| 83 | Unincorporated (south-southwest 2) | 2,561 |
| 84 | Unincorporated (southwest 2) | 2,459 |
| 85 | Nashua city (southwest) | 2,378 |
| 86 | Nashua city (east-northeast 3) | 2,376 |
| 87 | Manchester city (southwest 2) | 2,348 |
| 88 | Manchester city (north 1) | 2,346 |
| 89 | Manchester city (northwest 3) | 2,343 |
| 90 | Manchester city (west-northwest) | 2,340 |
| 91 | Manchester city (east 2) | 2,241 |
| 92 | Greenville CDP | 2,219 |
| 93 | Hillsborough CDP (southwest) | 2,204 |
| 94 | Hudson CDP (south-southeast) | 2,175 |
| 95 | Manchester city (east-northeast) | 2,054 |
| 96 | Nashua city (east-northeast 2) | 1,972 |
| 97 | Nashua city (north-northwest) | 1,965 |
| 98 | Unincorporated (west-northwest 2) | 1,816 |
| 99 | Hancock CDP | 1,757 |
| 100 | Unincorporated (west) | 1,699 |
| 101 | Pinardville CDP (west) | 1,600 |
| 102 | Unincorporated (southwest 1) | 1,443 |