| 1 | White Horse CDP (southwest) | 8,714 |
| 2 | Twin Rivers CDP | 8,315 |
| 3 | Unincorporated (west 4) | 8,274 |
| 4 | Robbinsville Center CDP | 7,518 |
| 5 | The College of New Jersey CDP | 7,459 |
| 6 | Lawrenceville CDP | 7,351 |
| 7 | Unincorporated (east-northeast 2) | 7,298 |
| 8 | Princeton (east-southeast) | 6,972 |
| 9 | Unincorporated (south-southwest) | 6,871 |
| 10 | Titusville CDP | 6,764 |
| 11 | Unincorporated (south 3) | 6,722 |
| 12 | Trenton city (east-southeast 2) | 6,638 |
| 13 | Trenton city (southeast 2) | 6,573 |
| 14 | Princeton Junction CDP (east-southeast) | 6,546 |
| 15 | Unincorporated (west-northwest 1) | 6,171 |
| 16 | Unincorporated (west-southwest 1) | 6,158 |
| 17 | Groveville CDP | 6,118 |
| 18 | Hightstown borough | 5,869 |
| 19 | Princeton (south) | 5,851 |
| 20 | Princeton (east) | 5,804 |
| 21 | Princeton Junction CDP (west-northwest) | 5,700 |
| 22 | Hamilton Square CDP (south-southeast) | 5,592 |
| 23 | Unincorporated (south-southeast) | 5,590 |
| 24 | Unincorporated (north-northeast 1) | 5,554 |
| 25 | Mercerville CDP (southeast) | 5,479 |
| 26 | Trenton city (east-northeast) | 5,476 |
| 27 | Yardville CDP | 5,433 |
| 28 | White Horse CDP (east-northeast) | 5,420 |
| 29 | Unincorporated (east 2) | 5,303 |
| 30 | Trenton city (east 2) | 5,277 |
| 31 | Princeton (north-northeast) | 5,180 |
| 32 | Unincorporated (east-northeast 4) | 5,104 |
| 33 | Unincorporated (west-northwest 2) | 5,061 |
| 34 | Trenton city (southeast 1) | 5,059 |
| 35 | Unincorporated (north-northeast 2) | 5,027 |
| 36 | Mercerville CDP (west-southwest) | 5,019 |
| 37 | Unincorporated (east-northeast 1) | 4,961 |
| 38 | Mercerville CDP (north-northeast) | 4,928 |
| 39 | Unincorporated (east-southeast) | 4,845 |
| 40 | Unincorporated (west-southwest 4) | 4,831 |
| 41 | Unincorporated (south 1) | 4,777 |
| 42 | White Horse CDP (northwest) | 4,741 |
| 43 | Unincorporated (south 2) | 4,731 |
| 44 | Hamilton Square CDP (northwest) | 4,712 |
| 45 | Trenton city (east 1) | 4,693 |
| 46 | Unincorporated (northwest) | 4,534 |
| 47 | Unincorporated (east-northeast 3) | 4,475 |
| 48 | Unincorporated (southwest 2) | 4,340 |
| 49 | Trenton city (south-southwest) | 4,175 |
| 50 | Trenton city (north-northeast 1) | 4,157 |
| 51 | Trenton city (west 1) | 4,060 |
| 52 | Trenton city (east-southeast 1) | 4,024 |
| 53 | Mercerville CDP (northwest) | 3,996 |
| 54 | Unincorporated (east 1) | 3,817 |
| 55 | Unincorporated (west 2) | 3,781 |
| 56 | Unincorporated (west-southwest 2) | 3,735 |
| 57 | Trenton city (north) | 3,702 |
| 58 | Trenton city (west-northwest 3) | 3,638 |
| 59 | Trenton city (south-southeast 3) | 3,627 |
| 60 | Trenton city (northwest) | 3,616 |
| 61 | Trenton city (west-northwest 1) | 3,460 |
| 62 | Princeton (west-northwest) | 3,366 |
| 63 | Trenton city (west-northwest 4) | 3,361 |
| 64 | Trenton city (south-southeast 4) | 3,157 |
| 65 | Unincorporated (northeast) | 3,082 |
| 66 | Windsor CDP | 3,069 |
| 67 | Trenton city (south) | 2,998 |
| 68 | Hamilton Square CDP (northeast) | 2,959 |
| 69 | Unincorporated (southwest 1) | 2,944 |
| 70 | Pennington borough | 2,798 |
| 71 | Unincorporated (west-southwest 3) | 2,651 |
| 72 | Unincorporated (west 1) | 2,568 |
| 73 | Trenton city (south-southeast 1) | 2,549 |
| 74 | Trenton city (west 2) | 2,400 |
| 75 | Princeton (north) | 2,228 |
| 76 | Trenton city (north-northeast 2) | 1,832 |
| 77 | Hopewell borough | 1,828 |
| 78 | Unincorporated (north-northwest) | 1,755 |
| 79 | Trenton city (west-northwest 2) | 1,588 |
| 80 | Unincorporated (west 3) | 1,581 |
| 81 | Trenton city (north-northwest) | 1,490 |
| 82 | Trenton city (north-northeast 3) | 1,375 |
| 83 | Princeton (south-southwest) | 1,050 |
| 84 | Trenton city (south-southeast 2) | 1,041 |