| 1 | Lyons CDP (west) | 8,269 |
| 2 | Somerset CDP | 8,246 |
| 3 | East Franklin CDP (east) | 7,684 |
| 4 | Blackwells Mills CDP (east-northeast) | 7,213 |
| 5 | Finderne CDP (east-northeast 1) | 7,099 |
| 6 | Blawenburg CDP | 7,096 |
| 7 | Watchung borough (south-southwest) | 6,982 |
| 8 | Belle Mead CDP | 6,868 |
| 9 | Bradley Gardens CDP (north-northeast) | 6,836 |
| 10 | Ten Mile Run CDP (southwest) | 6,682 |
| 11 | Hillsborough CDP (south-southwest 2) | 6,547 |
| 12 | Watchung borough (north-northeast) | 6,429 |
| 13 | Neshanic Station CDP | 6,424 |
| 14 | Millstone borough (northwest) | 6,405 |
| 15 | East Franklin CDP (south) | 6,353 |
| 16 | Skillman CDP | 6,176 |
| 17 | Six Mile Run CDP | 6,030 |
| 18 | Clyde CDP | 5,881 |
| 19 | Basking Ridge CDP | 5,790 |
| 20 | Franklin Center CDP (west) | 5,642 |
| 21 | Watchung borough (west-northwest) | 5,592 |
| 22 | Middlebush CDP | 5,553 |
| 23 | Liberty Corner CDP (east-southeast) | 5,432 |
| 24 | North Plainfield borough (northeast) | 5,422 |
| 25 | Martinsville CDP (west) | 5,254 |
| 26 | Ten Mile Run CDP (northeast) | 5,222 |
| 27 | The Hills CDP (east) | 5,211 |
| 28 | Pluckemin CDP | 5,175 |
| 29 | Finderne CDP (east-northeast 2) | 5,054 |
| 30 | Green Knoll CDP | 5,007 |
| 31 | Martinsville CDP (northeast) | 4,938 |
| 32 | North Plainfield borough (east-northeast) | 4,921 |
| 33 | South Bound Brook borough | 4,833 |
| 34 | Bradley Gardens CDP (west) | 4,806 |
| 35 | Hillsborough CDP (north-northeast) | 4,694 |
| 36 | Flagtown CDP (east-northeast) | 4,632 |
| 37 | Lyons CDP (east) | 4,564 |
| 38 | Bernardsville borough (southwest) | 4,537 |
| 39 | Bound Brook borough (south-southeast) | 4,521 |
| 40 | Bradley Gardens CDP (southeast) | 4,517 |
| 41 | East Millstone CDP | 4,476 |
| 42 | Raritan borough (west) | 4,437 |
| 43 | Bridgewater Center CDP (southeast) | 4,428 |
| 44 | Manville borough (east) | 4,284 |
| 45 | Watchung borough (east-southeast) | 4,251 |
| 46 | Neshanic CDP | 4,246 |
| 47 | North Plainfield borough (southwest) | 4,225 |
| 48 | Flagtown CDP (west-southwest) | 4,180 |
| 49 | Bridgewater Center CDP (northwest) | 4,109 |
| 50 | Liberty Corner CDP (west-northwest) | 4,006 |
| 51 | Watchung borough (east-northeast) | 3,848 |
| 52 | Raritan borough (east) | 3,755 |
| 53 | Bedminster CDP (south-southwest) | 3,718 |
| 54 | Finderne CDP (west) | 3,607 |
| 55 | Martinsville CDP (south-southwest) | 3,518 |
| 56 | East Franklin CDP (north-northwest) | 3,507 |
| 57 | Harlingen CDP | 3,503 |
| 58 | Manville borough (west) | 3,467 |
| 59 | Finderne CDP (west-northwest) | 3,410 |
| 60 | Bernardsville borough (northeast) | 3,334 |
| 61 | Hillsborough CDP (south-southwest 1) | 3,121 |
| 62 | Finderne CDP (south) | 3,119 |
| 63 | The Hills CDP (west) | 3,104 |
| 64 | Franklin Center CDP (east) | 3,091 |
| 65 | Somerville borough (north-northeast) | 3,047 |
| 66 | Somerville borough (south-southwest) | 2,894 |
| 67 | Bedminster CDP (east-northeast) | 2,646 |
| 68 | Peapack and Gladstone borough | 2,547 |
| 69 | Bedminster CDP (north-northwest) | 2,477 |
| 70 | Bound Brook borough (north-northwest) | 2,448 |
| 71 | Blackwells Mills CDP (west-southwest) | 2,439 |
| 72 | Far Hills borough | 1,004 |
| 73 | Rocky Hill borough | 814 |
| 74 | Millstone borough (southeast) | 606 |