| 1 | Bridgeport city (south 5) | 75.4% |
| 2 | Bridgeport city (east-northeast 3) | 72% |
| 3 | Bridgeport city (south 1) | 71.2% |
| 4 | Bridgeport city (east-southeast) | 71.1% |
| 5 | Bridgeport city (northeast 4) | 70.1% |
| 6 | Bridgeport city (northeast 1) | 69% |
| 7 | Bridgeport city (south 3) | 66.5% |
| 8 | Bridgeport city (east 1) | 62.9% |
| 9 | Bridgeport city (south-southeast 1) | 60.8% |
| 10 | Bridgeport city (southeast) | 59.6% |
| 11 | Bridgeport city (south-southwest 4) | 56.8% |
| 12 | Bridgeport city (east 2) | 55.5% |
| 13 | Bridgeport city (southwest) | 55.2% |
| 14 | Bridgeport city (northeast 2) | 54.8% |
| 15 | Bridgeport city (north-northeast 1) | 52.6% |
| 16 | Bridgeport city (northwest 1) | 52.5% |
| 17 | Bridgeport city (east-northeast 1) | 52.4% |
| 18 | Bridgeport city (south-southwest 5) | 51.9% |
| 19 | Bridgeport city (north-northwest 3) | 51.2% |
| 20 | Bridgeport city (north 1) | 50.9% |
| 21 | Bridgeport city (south 4) | 49.8% |
| 22 | Bridgeport city (west-northwest 1) | 49.5% |
| 23 | Bridgeport city (north-northwest 1) | 48.4% |
| 24 | Bridgeport city (northeast 3) | 46.9% |
| 25 | Bridgeport city (east-northeast 2) | 46.8% |
| 26 | Bridgeport city (west-southwest 1) | 45.2% |
| 27 | Bridgeport city (north-northeast 2) | 43.5% |
| 28 | Bridgeport city (south-southwest 3) | 40.1% |
| 29 | Unincorporated (east-northeast 1) | 39.8% |
| 30 | Bridgeport city (west-southwest 2) | 39.7% |
| 31 | Bridgeport city (south 2) | 37% |
| 32 | Unincorporated (east) | 35.9% |
| 33 | Bridgeport city (south-southeast 2) | 35% |
| 34 | Bridgeport city (south-southwest 2) | 32.2% |
| 35 | Bridgeport city (north-northwest 2) | 32.1% |
| 36 | Unincorporated (northeast 4) | 30.8% |
| 37 | Bridgeport city (north 2) | 30.4% |
| 38 | Unincorporated (southwest 3) | 28.9% |
| 39 | Unincorporated (northeast 2) | 24.5% |
| 40 | Stratford Downtown CDP (west) | 21.2% |
| 41 | Bridgeport city (west-northwest 2) | 20.5% |
| 42 | Unincorporated (west-southwest 3) | 19.3% |
| 43 | Bridgeport city (northwest 2) | 19.2% |
| 44 | Bridgeport city (northwest 3) | 18.5% |
| 45 | Unincorporated (northeast 1) | 18% |
| 46 | Long Hill CDP (south-southeast) | 17.9% |
| 47 | Unincorporated (east-northeast 2) | 15.5% |
| 48 | Stratford Downtown CDP (south-southeast) | 15.3% |
| 49 | Stratford Downtown CDP (north-northeast) | 13.8% |
| 50 | Trumbull Center CDP (north) | 12.8% |
| 51 | Plattsville CDP (east) | 11.8% |
| 52 | Unincorporated (west-southwest 2) | 10.4% |
| 53 | Trumbull Center CDP (southwest) | 10.2% |
| 54 | Unincorporated (south-southwest 1) | 9.2% |
| 55 | East Village CDP (north) | 8.7% |
| 56 | Unincorporated (northeast 3) | 8.3% |
| 57 | Plattsville CDP (southeast) | 7.1% |
| 58 | Unincorporated (southwest 2) | 7% |
| 59 | Unincorporated (west) | 6.7% |
| 60 | Tashua CDP | 6.6% |
| 61 | Oronoque CDP | 6.4% |
| 62 | Long Hill CDP (north-northwest) | 6% |
| 63 | East Village CDP (south) | 5.9% |
| 64 | Bridgeport city (south-southwest 1) | 5.8% |
| 65 | Stepney CDP | 5.5% |
| 66 | Trumbull Center CDP (east-southeast) | 5.2% |
| 67 | Lordship CDP | 4.9% |
| 68 | Mill Plain CDP | 4.5% |
| 69 | Unincorporated (northwest) | 4.4% |
| 70 | Unincorporated (southwest 1) | 4% |
| 71 | Daniels Farm CDP | 3.1% |
| 72 | Unincorporated (west-southwest 1) | 2.6% |
| 73 | Murray CDP (northeast) | 2.5% |
| 74 | Plattsville CDP (west-northwest) | 2.5% |
| 75 | Southport CDP | 2.2% |
| 76 | Murray CDP (southwest) | 2.1% |
| 77 | Unincorporated (west-northwest) | 2% |
| 78 | Unincorporated (south-southwest 2) | 1.4% |