| 1 | South Portland city (west) | 40.5% |
| 2 | Portland city (northeast 2) | 19.7% |
| 3 | Portland city (south 1) | 18.2% |
| 4 | Portland city (west-northwest 2) | 16.8% |
| 5 | Portland city (south 2) | 16.2% |
| 6 | Westbrook city (north-northwest) | 16% |
| 7 | Portland city (northwest 1) | 15% |
| 8 | Portland city (south-southeast 1) | 15% |
| 9 | Portland city (north) | 14.8% |
| 10 | Portland city (south-southeast 2) | 13.5% |
| 11 | Portland city (south-southwest 2) | 11.5% |
| 12 | Unincorporated (south-southeast 1) | 11.4% |
| 13 | Portland city (west 1) | 10.4% |
| 14 | Portland city (south-southwest 1) | 9.8% |
| 15 | Portland city (west 2) | 9.2% |
| 16 | Westbrook city (north) | 9.1% |
| 17 | Westbrook city (south) | 9% |
| 18 | Portland city (east-northeast 1) | 8.7% |
| 19 | Westbrook city (east-southeast) | 8.7% |
| 20 | Portland city (west-southwest 2) | 8.5% |
| 21 | South Portland city (west-southwest) | 8.5% |
| 22 | Portland city (northwest 2) | 8.4% |
| 23 | Unincorporated (south-southeast 2) | 8.3% |
| 24 | Brunswick CDP (west-northwest) | 8% |
| 25 | Bridgton CDP (south-southwest) | 7.9% |
| 26 | Portland city (west-southwest 1) | 7.8% |
| 27 | Westbrook city (southwest) | 7% |
| 28 | Unincorporated (southeast 1) | 6.8% |
| 29 | Gorham CDP (west) | 6.7% |
| 30 | Brunswick CDP (northwest) | 6.4% |
| 31 | Falmouth CDP | 5.9% |
| 32 | Naples CDP (southwest) | 5.6% |
| 33 | Unincorporated (west-northwest 1) | 5.6% |
| 34 | Brunswick CDP (east-northeast) | 5.5% |
| 35 | Brunswick CDP (north) | 5.4% |
| 36 | Freeport CDP | 5.4% |
| 37 | Portland city (northeast 1) | 5.4% |
| 38 | Unincorporated (southeast 2) | 5.2% |
| 39 | Cumberland Center CDP (east-southeast) | 5.1% |
| 40 | Portland city (west-southwest 3) | 5.1% |
| 41 | Unincorporated (south) | 5.1% |
| 42 | Little Falls CDP | 4.8% |
| 43 | Portland city (east-northeast 2) | 4.7% |
| 44 | Brunswick CDP (south) | 4.5% |
| 45 | Dunstan CDP | 4.5% |
| 46 | South Portland city (east-northeast) | 4.5% |
| 47 | North Windham CDP (east-southeast) | 4.2% |
| 48 | South Portland city (northeast 1) | 4.2% |
| 49 | South Portland city (northeast 2) | 4.2% |
| 50 | Cousins Island CDP | 4% |
| 51 | Yarmouth CDP | 3.5% |
| 52 | Unincorporated (east-northeast) | 3.4% |
| 53 | Oak Hill CDP (east-northeast) | 3.2% |
| 54 | Oak Hill CDP (west-northwest) | 3.2% |
| 55 | South Portland city (east-southeast) | 3.2% |
| 56 | South Portland city (south-southwest) | 3.2% |
| 57 | Unincorporated (east 2) | 3.1% |
| 58 | Unincorporated (west-southwest) | 3% |
| 59 | Unincorporated (northeast 1) | 2.9% |
| 60 | North Windham CDP (south-southwest) | 2.7% |
| 61 | Oak Hill CDP (south-southeast) | 2.7% |
| 62 | Unincorporated (east 1) | 2.7% |
| 63 | Unincorporated (west-northwest 2) | 2.6% |
| 64 | Cumberland Center CDP (west-northwest) | 2.5% |
| 65 | Unincorporated (northwest 1) | 2% |
| 66 | North Windham CDP (northwest) | 1.9% |
| 67 | Portland city (west-northwest 1) | 1.9% |
| 68 | South Windham CDP | 1.8% |
| 69 | Casco CDP | 1.7% |
| 70 | Gorham CDP (east) | 1.7% |
| 71 | Unincorporated (northeast 2) | 1.7% |
| 72 | Unincorporated (northwest 3) | 1.6% |
| 73 | Unincorporated (northwest 2) | 1.4% |
| 74 | Gray CDP | 1.3% |
| 75 | Steep Falls CDP | 1% |
| 76 | Unincorporated (north) | 1% |
| 77 | Unincorporated (west) | 0.8% |
| 78 | Standish CDP | 0.7% |
| 79 | Bridgton CDP (north-northeast) | 0.5% |
| 80 | Naples CDP (northeast) | 0% |