| 1 | Naugatuck borough (north) | 29.6% |
| 2 | Oakville CDP (southeast) | 26.5% |
| 3 | Ansonia city (south-southeast 2) | 26.4% |
| 4 | Waterbury city (north 2) | 24.5% |
| 5 | Cheshire Village CDP (west-northwest 3) | 24.4% |
| 6 | Waterbury city (south 1) | 24% |
| 7 | Waterbury city (south 2) | 24% |
| 8 | Oakville CDP (north-northwest 1) | 23.7% |
| 9 | Shelton city (east-southeast) | 23.6% |
| 10 | Waterbury city (southeast 1) | 23.1% |
| 11 | Oakville CDP (south-southeast 1) | 22.8% |
| 12 | Waterbury city (east-southeast 2) | 22.7% |
| 13 | Ansonia city (southwest) | 22% |
| 14 | Shelton city (west-southwest) | 20.9% |
| 15 | Naugatuck borough (north-northwest) | 20.7% |
| 16 | Naugatuck borough (north-northeast 3) | 20.6% |
| 17 | Cheshire Village CDP (north-northeast) | 19.5% |
| 18 | Derby city (west) | 19.4% |
| 19 | Naugatuck borough (north-northeast 1) | 19.4% |
| 20 | Waterbury city (west) | 18.7% |
| 21 | Heritage Village CDP (north-northeast) | 18.2% |
| 22 | Naugatuck borough (east-northeast 1) | 17.7% |
| 23 | Shelton city (south-southeast) | 17.4% |
| 24 | Cheshire Village CDP (west-northwest 2) | 17.2% |
| 25 | Derby city (north) | 16.6% |
| 26 | Naugatuck borough (west) | 16.5% |
| 27 | Derby city (southeast) | 16.4% |
| 28 | Bristol city (southwest) | 16.2% |
| 29 | Derby city (south-southeast) | 16% |
| 30 | Bristol city (east-northeast) | 15.8% |
| 31 | Ansonia city (north-northwest) | 15.6% |
| 32 | Waterbury city (north 1) | 15.6% |
| 33 | Waterbury city (south-southeast) | 15.6% |
| 34 | Bristol city (northwest) | 15% |
| 35 | Waterbury city (south-southwest 1) | 14.7% |
| 36 | Bristol city (southeast) | 14.3% |
| 37 | Derby city (east-southeast) | 14.3% |
| 38 | Naugatuck borough (east-northeast 2) | 14.3% |
| 39 | Waterbury city (east-southeast 1) | 13.9% |
| 40 | Oakville CDP (north-northwest 2) | 13.5% |
| 41 | Waterbury city (southeast 2) | 13.2% |
| 42 | Naugatuck borough (south-southwest) | 12.9% |
| 43 | Woodbury Center CDP (east) | 12.9% |
| 44 | Cheshire Village CDP (east-northeast) | 12.6% |
| 45 | Cheshire Village CDP (south-southeast) | 12.6% |
| 46 | Cheshire Village CDP (west-northwest 1) | 12.5% |
| 47 | Waterbury city (northwest 2) | 12.5% |
| 48 | Cheshire Village CDP (east) | 12.4% |
| 49 | Oakville CDP (north 1) | 12.4% |
| 50 | Shelton city (east-northeast) | 12.4% |
| 51 | Oakville CDP (north 2) | 12.3% |
| 52 | Waterbury city (south-southwest 2) | 12.3% |
| 53 | Bristol city (northeast) | 12.2% |
| 54 | Bristol city (north-northwest) | 11.6% |
| 55 | Oakville CDP (south-southwest) | 11.5% |
| 56 | Shelton city (west-northwest) | 11.5% |
| 57 | Waterbury city (north-northwest) | 11.4% |
| 58 | Watertown CDP (southeast) | 11.4% |
| 59 | Bristol city (south-southwest 2) | 11% |
| 60 | Oakville CDP (south-southeast 2) | 10.9% |
| 61 | Watertown CDP (northwest) | 10.9% |
| 62 | Derby city (west-northwest) | 10.5% |
| 63 | Terryville CDP (east) | 10.4% |
| 64 | Naugatuck borough (north-northeast 2) | 10.3% |
| 65 | Naugatuck borough (south) | 10.2% |
| 66 | Bristol city (north) | 10% |
| 67 | Shelton city (north-northwest) | 9.9% |
| 68 | Waterbury city (northwest 1) | 9.7% |
| 69 | Woodbury Center CDP (west) | 9.7% |
| 70 | Ansonia city (north) | 9.6% |
| 71 | Oakville CDP (northwest) | 9.6% |
| 72 | Woodbury Center CDP (northwest) | 9.6% |
| 73 | Naugatuck borough (east) | 9.1% |
| 74 | Cheshire Village CDP (south-southwest) | 8.9% |
| 75 | Bristol city (east-southeast) | 8.8% |
| 76 | Waterbury city (northeast) | 8.6% |
| 77 | Cheshire Village CDP (southeast) | 8.4% |
| 78 | Derby city (northwest) | 8.4% |
| 79 | Bristol city (north-northeast) | 8% |
| 80 | Naugatuck borough (southwest) | 7.9% |
| 81 | Naugatuck borough (south-southeast) | 7.5% |
| 82 | Heritage Village CDP (east) | 6.5% |
| 83 | Bristol city (west) | 6.3% |
| 84 | Ansonia city (south-southeast 1) | 6.2% |
| 85 | Terryville CDP (north-northeast) | 5.9% |
| 86 | Bethlehem Village CDP | 5.8% |
| 87 | Thomaston CDP (west) | 5.6% |
| 88 | Bristol city (south-southwest 1) | 5.4% |
| 89 | Cheshire Village CDP (north-northwest) | 5.4% |
| 90 | Thomaston CDP (southeast) | 5.3% |
| 91 | Heritage Village CDP (west-southwest) | 5.2% |
| 92 | Naugatuck borough (west-southwest) | 5.1% |
| 93 | Terryville CDP (southeast) | 4.9% |
| 94 | Thomaston CDP (east) | 4.2% |
| 95 | Thomaston CDP (northwest) | 4.2% |
| 96 | Woodbury Center CDP (south-southeast) | 4.2% |
| 97 | Terryville CDP (southwest) | 4% |
| 98 | Terryville CDP (west) | 3.3% |