| 1 | Dyer town (south) | 99.1% |
| 2 | St. John town (southwest) | 99.1% |
| 3 | St. John town (north) | 98.8% |
| 4 | St. John town (west-northwest 2) | 97.4% |
| 5 | Schererville town (south-southeast) | 97.3% |
| 6 | St. John town (east 2) | 97.3% |
| 7 | Munster town (south-southeast 1) | 96.4% |
| 8 | St. John town (west-southwest) | 95.3% |
| 9 | Highland town (north-northeast) | 94.5% |
| 10 | Lakes of the Four Seasons CDP | 94.1% |
| 11 | Merrillville town (northwest) | 93.3% |
| 12 | Crown Point city (south-southwest) | 93.2% |
| 13 | St. John town (west-northwest 1) | 92.2% |
| 14 | Griffith town (south 1) | 91.6% |
| 15 | St. John town (east-southeast) | 91.5% |
| 16 | Shelby CDP (east-northeast) | 91.3% |
| 17 | Cedar Lake town (southwest) | 90.5% |
| 18 | Schererville town (northeast) | 90.1% |
| 19 | Shelby CDP (west-southwest) | 90% |
| 20 | Winfield town (north) | 89.9% |
| 21 | Winfield town (south) | 89.9% |
| 22 | Crown Point city (east-northeast) | 89.5% |
| 23 | Schneider town | 89% |
| 24 | Dyer town (north) | 88.9% |
| 25 | Crown Point city (south-southeast) | 88.8% |
| 26 | Hobart city (west 2) | 88% |
| 27 | Highland town (east-northeast) | 87.4% |
| 28 | Crown Point city (west) | 87.3% |
| 29 | Lowell town | 86.6% |
| 30 | Dyer town (west) | 85.8% |
| 31 | Cedar Lake town (west) | 84.9% |
| 32 | Highland town (southeast) | 84.3% |
| 33 | Gary city (south-southwest) | 84.1% |
| 34 | Dyer town (south-southeast) | 83.8% |
| 35 | Munster town (south-southwest) | 83.6% |
| 36 | Munster town (south-southeast 2) | 83.5% |
| 37 | St. John town (east 1) | 83.4% |
| 38 | East Chicago city (south-southwest 1) | 83.1% |
| 39 | Merrillville town (west-southwest) | 83.1% |
| 40 | Schererville town (northwest) | 82.6% |
| 41 | East Chicago city (south-southwest 2) | 81.2% |
| 42 | Dyer town (east) | 80.5% |
| 43 | Griffith town (south 2) | 80.3% |
| 44 | Munster town (east-southeast) | 79.9% |
| 45 | Cedar Lake town (southeast) | 79% |
| 46 | Lake Station city (southeast) | 79% |
| 47 | Cedar Lake town (northeast) | 78.6% |
| 48 | Ross CDP (west-northwest) | 78.5% |
| 49 | Munster town (northwest 2) | 78.3% |
| 50 | Munster town (northwest 1) | 78.1% |
| 51 | Munster town (west-southwest) | 78.1% |
| 52 | Griffith town (north 2) | 77.6% |
| 53 | East Chicago city (east 1) | 77.3% |
| 54 | Crown Point city (north-northeast 1) | 77.1% |
| 55 | Hammond city (north-northwest) | 77% |
| 56 | Hobart city (east-southeast) | 76.9% |
| 57 | Hobart city (east-northeast) | 73.4% |
| 58 | Crown Point city (west-northwest) | 72.9% |
| 59 | Merrillville town (north-northeast 1) | 72.5% |
| 60 | Crown Point city (north-northeast 2) | 71.7% |
| 61 | Ross CDP (west-southwest) | 71.7% |
| 62 | Hammond city (north 2) | 71% |
| 63 | Munster town (north-northeast) | 71% |
| 64 | East Chicago city (southwest 2) | 70.2% |
| 65 | Hammond city (north 1) | 69.9% |
| 66 | Lake Station city (south-southwest) | 69.7% |
| 67 | Merrillville town (north-northeast 2) | 69.7% |
| 68 | Munster town (north) | 68.8% |
| 69 | Highland town (south-southwest) | 67.9% |
| 70 | Merrillville town (southeast) | 67.3% |
| 71 | East Chicago city (west) | 67% |
| 72 | Ross CDP (south) | 66.8% |
| 73 | Whiting city (east-southeast) | 66.5% |
| 74 | Hammond city (south-southeast) | 66.2% |
| 75 | Munster town (north-northwest) | 66% |
| 76 | Schererville town (west) | 66% |
| 77 | East Chicago city (northwest 3) | 63% |
| 78 | Gary city (south) | 63% |
| 79 | Ross CDP (north-northwest) | 61.4% |
| 80 | Ross CDP (east) | 61.1% |
| 81 | New Chicago town (east) | 60.9% |
| 82 | New Chicago town (north-northeast) | 60.3% |
| 83 | Gary city (north) | 57.4% |
| 84 | Munster town (east-northeast) | 56.2% |
| 85 | East Chicago city (northwest 4) | 56.1% |
| 86 | East Chicago city (south) | 56% |
| 87 | East Chicago city (east-southeast) | 54.5% |
| 88 | Gary city (west-southwest 2) | 52.8% |
| 89 | Gary city (west-southwest 1) | 52.5% |
| 90 | New Chicago town (south-southwest) | 52.5% |
| 91 | Gary city (northwest) | 52.3% |
| 92 | Gary city (west-northwest) | 51.4% |
| 93 | East Chicago city (west-southwest 1) | 51% |
| 94 | New Chicago town (east-southeast) | 51% |
| 95 | New Chicago town (north-northwest) | 50% |
| 96 | East Chicago city (west-southwest 2) | 49.7% |
| 97 | Merrillville town (southwest) | 49.4% |
| 98 | Highland town (west-southwest) | 49.1% |
| 99 | Schererville town (east-southeast) | 48.9% |
| 100 | Gary city (south-southeast) | 48.5% |
| 101 | Gary city (west) | 48.3% |
| 102 | Hammond city (east-southeast) | 47.1% |
| 103 | East Chicago city (southwest 1) | 46.3% |
| 104 | Ross CDP (east-southeast) | 45.2% |
| 105 | New Chicago town (west-southwest 2) | 43.8% |
| 106 | Gary city (east 1) | 43.6% |
| 107 | Whiting city (west-northwest) | 42.9% |
| 108 | New Chicago town (west-southwest 1) | 42.8% |
| 109 | Hobart city (west 1) | 41.7% |
| 110 | Griffith town (north 1) | 41% |
| 111 | Hammond city (south 1) | 40.9% |
| 112 | Hammond city (south 2) | 39.9% |
| 113 | East Chicago city (northwest 2) | 39.6% |
| 114 | Gary city (northeast 2) | 39.6% |
| 115 | Merrillville town (south-southeast) | 39.5% |
| 116 | Merrillville town (east) | 34.8% |
| 117 | Gary city (northeast 1) | 33.8% |
| 118 | East Chicago city (south-southeast) | 31.6% |
| 119 | Gary city (north-northeast) | 28.2% |
| 120 | East Chicago city (north-northwest 2) | 27.6% |
| 121 | Gary city (east 2) | 27% |
| 122 | East Chicago city (east 2) | 26.5% |
| 123 | Lake Station city (northwest) | 22.1% |
| 124 | Lake Station city (north-northeast) | 21.7% |
| 125 | East Chicago city (east 3) | 18.2% |
| 126 | East Chicago city (north-northwest 3) | 15.6% |
| 127 | East Chicago city (northwest 1) | 15% |
| 128 | Gary city (east-southeast) | 15% |
| 129 | Hammond city (south-southwest) | 10.1% |
| 130 | East Chicago city (north-northwest 1) | 1.2% |