| 1 | North Plainfield borough (northeast) | 20.4% |
| 2 | Watchung borough (east-southeast) | 19.1% |
| 3 | South Bound Brook borough | 16.4% |
| 4 | East Franklin CDP (south) | 15.8% |
| 5 | Manville borough (west) | 15.2% |
| 6 | Bound Brook borough (south-southeast) | 14% |
| 7 | Finderne CDP (south) | 13.2% |
| 8 | Raritan borough (east) | 11.8% |
| 9 | North Plainfield borough (east-northeast) | 11.7% |
| 10 | Finderne CDP (west) | 11.4% |
| 11 | Ten Mile Run CDP (northeast) | 10.9% |
| 12 | Bedminster CDP (east-northeast) | 10.7% |
| 13 | Somerset CDP | 10.4% |
| 14 | Finderne CDP (east-northeast 2) | 9.4% |
| 15 | Manville borough (east) | 9.3% |
| 16 | Watchung borough (east-northeast) | 8.8% |
| 17 | North Plainfield borough (southwest) | 8.3% |
| 18 | East Franklin CDP (north-northwest) | 7.8% |
| 19 | Bradley Gardens CDP (north-northeast) | 7.5% |
| 20 | Six Mile Run CDP | 7.5% |
| 21 | Somerville borough (south-southwest) | 7.2% |
| 22 | Bound Brook borough (north-northwest) | 6.7% |
| 23 | Finderne CDP (east-northeast 1) | 6.3% |
| 24 | Blawenburg CDP | 6.1% |
| 25 | Millstone borough (northwest) | 6.1% |
| 26 | Bridgewater Center CDP (southeast) | 6% |
| 27 | Watchung borough (south-southwest) | 5.7% |
| 28 | Far Hills borough | 5.3% |
| 29 | Bedminster CDP (south-southwest) | 5.2% |
| 30 | Franklin Center CDP (west) | 5.2% |
| 31 | Pluckemin CDP | 5.1% |
| 32 | Bradley Gardens CDP (west) | 5% |
| 33 | Lyons CDP (east) | 5% |
| 34 | Basking Ridge CDP | 4.9% |
| 35 | Hillsborough CDP (north-northeast) | 4.8% |
| 36 | Millstone borough (southeast) | 4.5% |
| 37 | Bedminster CDP (north-northwest) | 4.4% |
| 38 | Rocky Hill borough | 4.3% |
| 39 | East Franklin CDP (east) | 4.1% |
| 40 | Middlebush CDP | 4% |
| 41 | Flagtown CDP (east-northeast) | 3.8% |
| 42 | Green Knoll CDP | 3.5% |
| 43 | Belle Mead CDP | 3.1% |
| 44 | Liberty Corner CDP (east-southeast) | 3.1% |
| 45 | Somerville borough (north-northeast) | 3.1% |
| 46 | Lyons CDP (west) | 2.9% |
| 47 | Raritan borough (west) | 2.9% |
| 48 | Finderne CDP (west-northwest) | 2.6% |
| 49 | Martinsville CDP (northeast) | 2.5% |
| 50 | Peapack and Gladstone borough | 2.4% |
| 51 | Watchung borough (west-northwest) | 2.3% |
| 52 | Watchung borough (north-northeast) | 2.1% |
| 53 | Bernardsville borough (northeast) | 2% |
| 54 | Blackwells Mills CDP (east-northeast) | 2% |
| 55 | Blackwells Mills CDP (west-southwest) | 1.9% |
| 56 | Hillsborough CDP (south-southwest 2) | 1.9% |
| 57 | Franklin Center CDP (east) | 1.8% |
| 58 | Liberty Corner CDP (west-northwest) | 1.8% |
| 59 | The Hills CDP (east) | 1.6% |
| 60 | Bradley Gardens CDP (southeast) | 1.5% |
| 61 | Harlingen CDP | 1.5% |
| 62 | Clyde CDP | 1.3% |
| 63 | Flagtown CDP (west-southwest) | 1.1% |
| 64 | Martinsville CDP (west) | 1.1% |
| 65 | Ten Mile Run CDP (southwest) | 1% |
| 66 | Neshanic CDP | 0.9% |
| 67 | Neshanic Station CDP | 0.9% |
| 68 | Martinsville CDP (south-southwest) | 0.7% |
| 69 | Skillman CDP | 0.7% |
| 70 | Bridgewater Center CDP (northwest) | 0.6% |
| 71 | East Millstone CDP | 0.6% |
| 72 | Hillsborough CDP (south-southwest 1) | 0.6% |
| 73 | Bernardsville borough (southwest) | 0.4% |
| 74 | The Hills CDP (west) | 0.2% |