| 1 | Bridgeport city (north-northwest 1) | 46.9% |
| 2 | Bridgeport city (northeast 4) | 44.8% |
| 3 | Bridgeport city (west-southwest 2) | 44.8% |
| 4 | Bridgeport city (west-northwest 2) | 44% |
| 5 | Bridgeport city (north 2) | 43.8% |
| 6 | Bridgeport city (southwest) | 42.5% |
| 7 | Bridgeport city (east 1) | 40.3% |
| 8 | Bridgeport city (west-southwest 1) | 40.1% |
| 9 | Bridgeport city (south-southwest 4) | 38.7% |
| 10 | Bridgeport city (northwest 1) | 38.2% |
| 11 | Bridgeport city (west-northwest 1) | 37.7% |
| 12 | Bridgeport city (northwest 2) | 37.2% |
| 13 | Bridgeport city (north-northwest 2) | 37% |
| 14 | Bridgeport city (northeast 3) | 36.3% |
| 15 | Bridgeport city (south 4) | 36.1% |
| 16 | Bridgeport city (south-southwest 3) | 35.7% |
| 17 | Unincorporated (southwest 3) | 35.1% |
| 18 | Bridgeport city (north 1) | 34.6% |
| 19 | Bridgeport city (east-northeast 2) | 34.2% |
| 20 | Bridgeport city (south 2) | 34.2% |
| 21 | Bridgeport city (south-southeast 1) | 33% |
| 22 | Bridgeport city (south-southwest 2) | 32.9% |
| 23 | Bridgeport city (east-northeast 1) | 31.6% |
| 24 | Bridgeport city (southeast) | 31.3% |
| 25 | Bridgeport city (northeast 1) | 30.6% |
| 26 | Unincorporated (west-southwest 3) | 30.5% |
| 27 | Bridgeport city (north-northwest 3) | 30.4% |
| 28 | Bridgeport city (south-southwest 5) | 29.9% |
| 29 | Bridgeport city (north-northeast 1) | 29.5% |
| 30 | Bridgeport city (east-northeast 3) | 28.7% |
| 31 | Bridgeport city (northeast 2) | 27.7% |
| 32 | Bridgeport city (northwest 3) | 26.2% |
| 33 | Bridgeport city (south 3) | 25.4% |
| 34 | Unincorporated (east-northeast 1) | 25% |
| 35 | Bridgeport city (south 5) | 24.5% |
| 36 | Trumbull Center CDP (southwest) | 24.2% |
| 37 | Unincorporated (northeast 4) | 23.9% |
| 38 | Long Hill CDP (south-southeast) | 22.9% |
| 39 | Unincorporated (east) | 22.8% |
| 40 | Unincorporated (west-southwest 2) | 22.7% |
| 41 | Bridgeport city (south-southeast 2) | 21.8% |
| 42 | Bridgeport city (north-northeast 2) | 20.5% |
| 43 | Bridgeport city (east 2) | 19.5% |
| 44 | Unincorporated (west) | 18.5% |
| 45 | Trumbull Center CDP (east-southeast) | 17.9% |
| 46 | Long Hill CDP (north-northwest) | 17.1% |
| 47 | Tashua CDP | 16.4% |
| 48 | Bridgeport city (east-southeast) | 16.2% |
| 49 | Unincorporated (south-southwest 1) | 15.6% |
| 50 | Unincorporated (south-southwest 2) | 14.8% |
| 51 | East Village CDP (north) | 14.2% |
| 52 | Plattsville CDP (southeast) | 14.2% |
| 53 | Trumbull Center CDP (north) | 13.8% |
| 54 | Daniels Farm CDP | 13.3% |
| 55 | Murray CDP (northeast) | 12.1% |
| 56 | Stratford Downtown CDP (west) | 12.1% |
| 57 | Unincorporated (east-northeast 2) | 12.1% |
| 58 | Stepney CDP | 11.9% |
| 59 | Stratford Downtown CDP (south-southeast) | 11.2% |
| 60 | Unincorporated (northeast 2) | 10.7% |
| 61 | Unincorporated (northeast 1) | 10.2% |
| 62 | Unincorporated (northwest) | 10% |
| 63 | Unincorporated (northeast 3) | 9.6% |
| 64 | Stratford Downtown CDP (north-northeast) | 9.4% |
| 65 | Bridgeport city (south-southwest 1) | 9.2% |
| 66 | Plattsville CDP (east) | 9.2% |
| 67 | Lordship CDP | 9% |
| 68 | Unincorporated (west-southwest 1) | 8.7% |
| 69 | East Village CDP (south) | 8.4% |
| 70 | Unincorporated (west-northwest) | 8.4% |
| 71 | Unincorporated (southwest 1) | 8.2% |
| 72 | Oronoque CDP | 8% |
| 73 | Southport CDP | 7.9% |
| 74 | Unincorporated (southwest 2) | 7.8% |
| 75 | Bridgeport city (south 1) | 7.7% |
| 76 | Plattsville CDP (west-northwest) | 6.8% |
| 77 | Murray CDP (southwest) | 4.8% |
| 78 | Mill Plain CDP | 3.5% |