| 1 | Watchung borough (west-northwest) | 7.5% |
| 2 | Bernardsville borough (southwest) | 6.9% |
| 3 | Manville borough (east) | 6.5% |
| 4 | Liberty Corner CDP (west-northwest) | 6.1% |
| 5 | Neshanic Station CDP | 6% |
| 6 | Blawenburg CDP | 5.8% |
| 7 | Bridgewater Center CDP (northwest) | 5.3% |
| 8 | Lyons CDP (east) | 5.3% |
| 9 | Finderne CDP (east-northeast 1) | 4.7% |
| 10 | Bedminster CDP (north-northwest) | 4.6% |
| 11 | Finderne CDP (south) | 4.6% |
| 12 | Watchung borough (south-southwest) | 4.6% |
| 13 | Manville borough (west) | 4.5% |
| 14 | Martinsville CDP (northeast) | 4.5% |
| 15 | Somerset CDP | 4.5% |
| 16 | Bridgewater Center CDP (southeast) | 4.4% |
| 17 | Finderne CDP (west) | 4.2% |
| 18 | Watchung borough (north-northeast) | 4.2% |
| 19 | Bound Brook borough (north-northwest) | 4.1% |
| 20 | Far Hills borough | 4.1% |
| 21 | The Hills CDP (east) | 4.1% |
| 22 | Neshanic CDP | 3.9% |
| 23 | Green Knoll CDP | 3.7% |
| 24 | Franklin Center CDP (west) | 3.6% |
| 25 | Peapack and Gladstone borough | 3.3% |
| 26 | Raritan borough (east) | 3.2% |
| 27 | Somerville borough (north-northeast) | 3.1% |
| 28 | Middlebush CDP | 3% |
| 29 | Liberty Corner CDP (east-southeast) | 2.9% |
| 30 | Martinsville CDP (west) | 2.7% |
| 31 | East Millstone CDP | 2.5% |
| 32 | Franklin Center CDP (east) | 2.5% |
| 33 | Hillsborough CDP (south-southwest 2) | 2.5% |
| 34 | Six Mile Run CDP | 2.5% |
| 35 | Watchung borough (east-southeast) | 2.3% |
| 36 | South Bound Brook borough | 2.2% |
| 37 | Watchung borough (east-northeast) | 2.1% |
| 38 | Bernardsville borough (northeast) | 2% |
| 39 | Millstone borough (southeast) | 2% |
| 40 | North Plainfield borough (northeast) | 2% |
| 41 | Skillman CDP | 2% |
| 42 | Bradley Gardens CDP (southeast) | 1.9% |
| 43 | East Franklin CDP (east) | 1.9% |
| 44 | Millstone borough (northwest) | 1.9% |
| 45 | Pluckemin CDP | 1.8% |
| 46 | Bedminster CDP (east-northeast) | 1.6% |
| 47 | Hillsborough CDP (north-northeast) | 1.6% |
| 48 | Finderne CDP (east-northeast 2) | 1.5% |
| 49 | Martinsville CDP (south-southwest) | 1.5% |
| 50 | Hillsborough CDP (south-southwest 1) | 1.4% |
| 51 | East Franklin CDP (north-northwest) | 1.3% |
| 52 | East Franklin CDP (south) | 1% |
| 53 | Finderne CDP (west-northwest) | 0.9% |
| 54 | The Hills CDP (west) | 0.8% |
| 55 | Flagtown CDP (west-southwest) | 0.7% |
| 56 | Basking Ridge CDP | 0.5% |
| 57 | Flagtown CDP (east-northeast) | 0.5% |
| 58 | Lyons CDP (west) | 0.5% |
| 59 | North Plainfield borough (east-northeast) | 0.5% |
| 60 | Ten Mile Run CDP (southwest) | 0.4% |
| 61 | Bedminster CDP (south-southwest) | 0% |
| 62 | Belle Mead CDP | 0% |
| 63 | Blackwells Mills CDP (east-northeast) | 0% |
| 64 | Blackwells Mills CDP (west-southwest) | 0% |
| 65 | Bound Brook borough (south-southeast) | 0% |
| 66 | Bradley Gardens CDP (north-northeast) | 0% |
| 67 | Bradley Gardens CDP (west) | 0% |
| 68 | Clyde CDP | 0% |
| 69 | Harlingen CDP | 0% |
| 70 | North Plainfield borough (southwest) | 0% |
| 71 | Raritan borough (west) | 0% |
| 72 | Rocky Hill borough | 0% |
| 73 | Somerville borough (south-southwest) | 0% |
| 74 | Ten Mile Run CDP (northeast) | 0% |