| 1 | Bridgeport city (south 5) | 47.1% |
| 2 | Bridgeport city (south-southeast 1) | 45.8% |
| 3 | Bridgeport city (south 3) | 45.6% |
| 4 | Bridgeport city (south-southwest 5) | 40.8% |
| 5 | Bridgeport city (south 1) | 39.9% |
| 6 | Bridgeport city (east 2) | 39.4% |
| 7 | Bridgeport city (east-northeast 3) | 36.3% |
| 8 | Bridgeport city (northeast 2) | 36.3% |
| 9 | Bridgeport city (east-northeast 2) | 31.9% |
| 10 | Bridgeport city (southwest) | 31.1% |
| 11 | Bridgeport city (northeast 4) | 31% |
| 12 | Bridgeport city (south-southeast 2) | 30.9% |
| 13 | Bridgeport city (north 1) | 30% |
| 14 | Bridgeport city (east 1) | 28.9% |
| 15 | Bridgeport city (northeast 1) | 28.1% |
| 16 | Bridgeport city (south-southwest 2) | 25.9% |
| 17 | Bridgeport city (east-southeast) | 25.6% |
| 18 | Bridgeport city (north-northwest 3) | 25.5% |
| 19 | Bridgeport city (southeast) | 25.4% |
| 20 | Bridgeport city (northwest 2) | 20.5% |
| 21 | Bridgeport city (south-southwest 4) | 19.7% |
| 22 | Bridgeport city (west-southwest 2) | 18.2% |
| 23 | Bridgeport city (north-northeast 1) | 17.8% |
| 24 | Bridgeport city (northwest 1) | 17.8% |
| 25 | Unincorporated (east-northeast 1) | 17.6% |
| 26 | Bridgeport city (east-northeast 1) | 17.4% |
| 27 | Bridgeport city (northeast 3) | 16.8% |
| 28 | Bridgeport city (south 4) | 15.9% |
| 29 | Bridgeport city (west-southwest 1) | 15.4% |
| 30 | Bridgeport city (west-northwest 2) | 14.7% |
| 31 | Bridgeport city (south-southwest 3) | 14.4% |
| 32 | Unincorporated (east-northeast 2) | 14.2% |
| 33 | Bridgeport city (northwest 3) | 14% |
| 34 | Unincorporated (northwest) | 14% |
| 35 | Bridgeport city (west-northwest 1) | 13.1% |
| 36 | Bridgeport city (north-northwest 2) | 13% |
| 37 | Bridgeport city (north 2) | 12.5% |
| 38 | Bridgeport city (south 2) | 12.2% |
| 39 | Unincorporated (northeast 4) | 11.5% |
| 40 | Tashua CDP | 9.9% |
| 41 | Unincorporated (south-southwest 1) | 9.5% |
| 42 | Unincorporated (southwest 3) | 9.4% |
| 43 | Trumbull Center CDP (southwest) | 8.7% |
| 44 | Lordship CDP | 8% |
| 45 | Bridgeport city (north-northwest 1) | 7.8% |
| 46 | Unincorporated (south-southwest 2) | 7.1% |
| 47 | Oronoque CDP | 6.8% |
| 48 | Unincorporated (west) | 6.8% |
| 49 | Unincorporated (west-southwest 2) | 6.5% |
| 50 | Daniels Farm CDP | 6.4% |
| 51 | Unincorporated (northeast 2) | 5.8% |
| 52 | Long Hill CDP (north-northwest) | 5.6% |
| 53 | Long Hill CDP (south-southeast) | 5.4% |
| 54 | Unincorporated (west-southwest 3) | 5.3% |
| 55 | Bridgeport city (south-southwest 1) | 5.1% |
| 56 | Unincorporated (east) | 4.6% |
| 57 | Stratford Downtown CDP (south-southeast) | 4.4% |
| 58 | Unincorporated (northeast 1) | 4.4% |
| 59 | Southport CDP | 4.3% |
| 60 | Unincorporated (southwest 2) | 4.1% |
| 61 | Stratford Downtown CDP (west) | 3.8% |
| 62 | Murray CDP (northeast) | 3.7% |
| 63 | Plattsville CDP (southeast) | 3.6% |
| 64 | Stepney CDP | 3.4% |
| 65 | Trumbull Center CDP (east-southeast) | 3.4% |
| 66 | East Village CDP (south) | 3.3% |
| 67 | Bridgeport city (north-northeast 2) | 3.2% |
| 68 | Trumbull Center CDP (north) | 3.1% |
| 69 | Unincorporated (west-northwest) | 3.1% |
| 70 | Unincorporated (northeast 3) | 2.8% |
| 71 | Mill Plain CDP | 2.7% |
| 72 | Stratford Downtown CDP (north-northeast) | 2.7% |
| 73 | Plattsville CDP (west-northwest) | 2.1% |
| 74 | Murray CDP (southwest) | 2% |
| 75 | Plattsville CDP (east) | 1.7% |
| 76 | Unincorporated (west-southwest 1) | 1.7% |
| 77 | Unincorporated (southwest 1) | 1.3% |
| 78 | East Village CDP (north) | 1.1% |