| 1 | Unincorporated (north-northeast 3) | 37.8% |
| 2 | Unincorporated (south-southwest 5) | 36.3% |
| 3 | Wilmington city (north 1) | 35.2% |
| 4 | Wilmington city (northwest 4) | 34.5% |
| 5 | Newark city (south 1) | 30% |
| 6 | Wilmington city (northwest 1) | 28.1% |
| 7 | Newark city (west) | 27.8% |
| 8 | Unincorporated (south 4) | 26.7% |
| 9 | Middletown town (north) | 25.6% |
| 10 | Unincorporated (north-northeast 10) | 25.4% |
| 11 | Middletown town (south-southwest) | 25.3% |
| 12 | Newark city (south-southwest) | 25% |
| 13 | Glasgow CDP (east) | 24.9% |
| 14 | Greenville CDP (north) | 24.8% |
| 15 | Wilmington city (west-northwest) | 24.8% |
| 16 | Unincorporated (west-northwest 3) | 24.7% |
| 17 | Wilmington city (north-northeast 1) | 24.3% |
| 18 | Unincorporated (south-southwest 7) | 24.2% |
| 19 | Wilmington city (southeast) | 23.9% |
| 20 | Arden village | 23.7% |
| 21 | Hockessin CDP (east-northeast) | 23.7% |
| 22 | St. Georges CDP (north) | 23.5% |
| 23 | New Castle city (south) | 23.4% |
| 24 | Unincorporated (north-northeast 7) | 23% |
| 25 | Hockessin CDP (west) | 22.8% |
| 26 | Unincorporated (north-northeast 1) | 22.8% |
| 27 | Unincorporated (east 2) | 22.4% |
| 28 | Unincorporated (north-northeast 4) | 21.7% |
| 29 | Unincorporated (southwest 2) | 21.7% |
| 30 | Unincorporated (northeast 1) | 21.4% |
| 31 | Unincorporated (north 2) | 20.9% |
| 32 | Unincorporated (north-northeast 6) | 20.9% |
| 33 | Unincorporated (north-northeast 2) | 20.8% |
| 34 | Unincorporated (southwest 3) | 20.8% |
| 35 | Newark city (north-northeast) | 20.4% |
| 36 | Edgemoor CDP (northeast) | 19.6% |
| 37 | Middletown town (northeast) | 19% |
| 38 | Port Penn CDP | 19% |
| 39 | Unincorporated (north-northeast 12) | 19% |
| 40 | Pike Creek CDP (west-northwest) | 18.9% |
| 41 | Unincorporated (south 1) | 18.9% |
| 42 | Claymont CDP (southwest) | 18.5% |
| 43 | Unincorporated (south-southwest 3) | 18.3% |
| 44 | Unincorporated (north-northeast 5) | 17.8% |
| 45 | Unincorporated (northwest 3) | 17.6% |
| 46 | Edgemoor CDP (west-southwest) | 17.5% |
| 47 | Unincorporated (west-southwest 3) | 17.5% |
| 48 | North Star CDP (northeast) | 17% |
| 49 | Unincorporated (south 2) | 17% |
| 50 | Pike Creek Valley CDP (west-southwest) | 16.9% |
| 51 | Newark city (north) | 16.8% |
| 52 | Elsmere town (west-southwest) | 16.7% |
| 53 | Claymont CDP (west) | 16.6% |
| 54 | Wilmington city (southwest) | 16.6% |
| 55 | Newark city (north-northwest) | 16.5% |
| 56 | Wilmington Manor CDP (south-southeast) | 16.5% |
| 57 | Newark city (northwest) | 16.4% |
| 58 | Unincorporated (south-southwest 2) | 16.4% |
| 59 | Brookside CDP (south-southeast) | 16.3% |
| 60 | Middletown town (east-southeast) | 16.3% |
| 61 | Pike Creek CDP (east-southeast) | 16.3% |
| 62 | Glasgow CDP (west-northwest) | 15.7% |
| 63 | Greenville CDP (south) | 15.7% |
| 64 | North Star CDP (southwest) | 15.4% |
| 65 | Pike Creek Valley CDP (east-southeast) | 15.2% |
| 66 | Unincorporated (northeast 2) | 15.1% |
| 67 | Glasgow CDP (west-southwest) | 15% |
| 68 | Unincorporated (southwest 1) | 15% |
| 69 | Glasgow CDP (south-southeast) | 14.6% |
| 70 | Unincorporated (south-southeast) | 14.6% |
| 71 | Unincorporated (west 1) | 14.6% |
| 72 | Wilmington city (north 2) | 14.6% |
| 73 | St. Georges CDP (south) | 13.8% |
| 74 | Unincorporated (north-northeast 11) | 13.8% |
| 75 | Ardentown village | 13.6% |
| 76 | New Castle city (south-southwest) | 13.6% |
| 77 | Unincorporated (west-southwest 1) | 13.6% |
| 78 | Unincorporated (north 3) | 13.5% |
| 79 | Unincorporated (south-southwest 4) | 13.3% |
| 80 | Smyrna town (southwest) | 13.1% |
| 81 | New Castle city (east) | 13% |
| 82 | Unincorporated (north-northeast 8) | 12.8% |
| 83 | Pike Creek Valley CDP (north-northwest) | 12.7% |
| 84 | New Castle city (northeast) | 12.5% |
| 85 | Middletown town (north-northwest) | 12.3% |
| 86 | Hockessin CDP (southeast) | 12.2% |
| 87 | New Castle city (west) | 12% |
| 88 | Newark city (southeast) | 11.9% |
| 89 | Unincorporated (west 2) | 11.9% |
| 90 | Delaware City city | 11.8% |
| 91 | Wilmington city (west 3) | 11.6% |
| 92 | Claymont CDP (east) | 11.5% |
| 93 | Wilmington city (north-northwest) | 10.9% |
| 94 | Brookside CDP (north-northeast) | 10.7% |
| 95 | Glasgow CDP (north) | 10.6% |
| 96 | Unincorporated (west-northwest 1) | 10.5% |
| 97 | Newark city (west-southwest) | 10.4% |
| 98 | Unincorporated (south 5) | 10.3% |
| 99 | Unincorporated (west-southwest 2) | 10.3% |
| 100 | Middletown town (west) | 10.1% |
| 101 | Bear CDP (south) | 10% |
| 102 | Brookside CDP (west-southwest) | 9.8% |
| 103 | Unincorporated (northwest 2) | 9.6% |
| 104 | Unincorporated (northwest 1) | 9.5% |
| 105 | Wilmington city (north-northeast 2) | 9.5% |
| 106 | Unincorporated (north 1) | 9.3% |
| 107 | Wilmington city (west-southwest 1) | 9.1% |
| 108 | Newark city (east-southeast) | 9% |
| 109 | Wilmington city (north-northeast 3) | 9% |
| 110 | Wilmington Manor CDP (north-northwest) | 8.9% |
| 111 | Wilmington city (northwest 2) | 8.8% |
| 112 | Unincorporated (south 3) | 8.7% |
| 113 | Bear CDP (east) | 8.5% |
| 114 | Unincorporated (east-southeast) | 8.1% |
| 115 | Wilmington city (west 2) | 8.1% |
| 116 | Unincorporated (southwest 4) | 8% |
| 117 | Wilmington city (west-southwest 2) | 8% |
| 118 | Wilmington city (northeast 3) | 7.8% |
| 119 | Smyrna town (northeast) | 7.6% |
| 120 | Newark city (south 2) | 7.5% |
| 121 | Wilmington city (northwest 3) | 7.5% |
| 122 | Unincorporated (north-northeast 9) | 7.3% |
| 123 | Unincorporated (west-northwest 2) | 7.3% |
| 124 | New Castle city (north-northeast) | 7.2% |
| 125 | Unincorporated (south-southwest 6) | 7.2% |
| 126 | Wilmington city (west 1) | 7.1% |
| 127 | Elsmere town (southeast) | 6.9% |
| 128 | Newark city (east-northeast) | 6.9% |
| 129 | Unincorporated (east-northeast) | 6.9% |
| 130 | Edgemoor CDP (south-southwest) | 6.8% |
| 131 | Wilmington city (east-northeast) | 6.7% |
| 132 | Claymont CDP (north-northeast) | 6.6% |
| 133 | Unincorporated (south-southwest 1) | 6.5% |
| 134 | Unincorporated (north-northwest) | 6.3% |
| 135 | Wilmington city (west 4) | 6.3% |
| 136 | Newport town (east-northeast) | 5.8% |
| 137 | Bear CDP (west-northwest) | 4.7% |
| 138 | Wilmington city (east-southeast) | 3% |
| 139 | Wilmington city (northeast 1) | 2.9% |
| 140 | Elsmere town (north) | 2.7% |
| 141 | Newport town (west-southwest) | 2.4% |
| 142 | Wilmington city (northeast 2) | 2.2% |
| 143 | Unincorporated (east 1) | 1.1% |