| 1 | Portland city (east-northeast 2) | 63.4% |
| 2 | Unincorporated (west-northwest 1) | 55.9% |
| 3 | Bridgton CDP (north-northeast) | 55.1% |
| 4 | Unincorporated (west-southwest) | 53.6% |
| 5 | Naples CDP (southwest) | 52.3% |
| 6 | Bridgton CDP (south-southwest) | 47% |
| 7 | Unincorporated (east 2) | 42.5% |
| 8 | Unincorporated (west-northwest 2) | 41.5% |
| 9 | Unincorporated (northwest 3) | 40.1% |
| 10 | Unincorporated (east 1) | 37.6% |
| 11 | Unincorporated (west) | 36.5% |
| 12 | Naples CDP (northeast) | 31.8% |
| 13 | Unincorporated (northwest 2) | 31.5% |
| 14 | Unincorporated (northwest 1) | 31.3% |
| 15 | Casco CDP | 26% |
| 16 | Dunstan CDP | 25.4% |
| 17 | Oak Hill CDP (south-southeast) | 21% |
| 18 | North Windham CDP (northwest) | 20.7% |
| 19 | Portland city (west-northwest 1) | 18.7% |
| 20 | Freeport CDP | 18.2% |
| 21 | Cumberland Center CDP (east-southeast) | 17.1% |
| 22 | Portland city (northeast 2) | 16.3% |
| 23 | Portland city (south-southeast 2) | 15.7% |
| 24 | Steep Falls CDP | 15.3% |
| 25 | Portland city (south-southeast 1) | 11.7% |
| 26 | Standish CDP | 11.6% |
| 27 | Portland city (south 1) | 11% |
| 28 | Portland city (west-southwest 3) | 10.7% |
| 29 | North Windham CDP (east-southeast) | 10% |
| 30 | Unincorporated (south-southeast 1) | 9.7% |
| 31 | Cousins Island CDP | 9.3% |
| 32 | Brunswick CDP (north) | 9.2% |
| 33 | Portland city (east-northeast 1) | 9.2% |
| 34 | Portland city (northeast 1) | 9.1% |
| 35 | Brunswick CDP (northwest) | 8.8% |
| 36 | Brunswick CDP (south) | 8.6% |
| 37 | Falmouth CDP | 8.6% |
| 38 | Unincorporated (southeast 2) | 8.4% |
| 39 | Portland city (west 1) | 8.2% |
| 40 | Westbrook city (north) | 8% |
| 41 | South Portland city (northeast 2) | 7.7% |
| 42 | Brunswick CDP (east-northeast) | 7.5% |
| 43 | Oak Hill CDP (east-northeast) | 7.4% |
| 44 | South Portland city (west) | 7.3% |
| 45 | Portland city (north) | 7.1% |
| 46 | Portland city (west-southwest 1) | 7.1% |
| 47 | Westbrook city (south) | 7.1% |
| 48 | Portland city (south-southwest 1) | 6.3% |
| 49 | Gray CDP | 6.2% |
| 50 | Unincorporated (north) | 6.2% |
| 51 | South Portland city (northeast 1) | 6% |
| 52 | Unincorporated (northeast 1) | 5.9% |
| 53 | Brunswick CDP (west-northwest) | 5.7% |
| 54 | North Windham CDP (south-southwest) | 5.5% |
| 55 | South Windham CDP | 5.4% |
| 56 | Gorham CDP (east) | 5% |
| 57 | Unincorporated (east-northeast) | 4.7% |
| 58 | Westbrook city (north-northwest) | 4.7% |
| 59 | South Portland city (east-northeast) | 4.6% |
| 60 | Portland city (west-southwest 2) | 4.5% |
| 61 | Cumberland Center CDP (west-northwest) | 4.1% |
| 62 | Portland city (south 2) | 3.9% |
| 63 | South Portland city (south-southwest) | 3.9% |
| 64 | Gorham CDP (west) | 3.3% |
| 65 | Portland city (northwest 2) | 3.1% |
| 66 | Portland city (west-northwest 2) | 3.1% |
| 67 | Portland city (south-southwest 2) | 3% |
| 68 | Westbrook city (east-southeast) | 3% |
| 69 | Unincorporated (south) | 2.9% |
| 70 | Little Falls CDP | 2.8% |
| 71 | Portland city (northwest 1) | 2.7% |
| 72 | Unincorporated (south-southeast 2) | 2.6% |
| 73 | South Portland city (west-southwest) | 2.3% |
| 74 | Unincorporated (northeast 2) | 2.2% |
| 75 | Westbrook city (southwest) | 1.2% |
| 76 | Unincorporated (southeast 1) | 1.1% |
| 77 | Yarmouth CDP | 0.8% |
| 78 | South Portland city (east-southeast) | 0.5% |
| 79 | Oak Hill CDP (west-northwest) | 0% |
| 80 | Portland city (west 2) | 0% |