| 1 | East Chicago city (north-northwest 1) | 66.7% |
| 2 | Gary city (south-southeast) | 62% |
| 3 | Hammond city (south-southwest) | 54.1% |
| 4 | Gary city (east-southeast) | 53.8% |
| 5 | Gary city (northeast 1) | 50.6% |
| 6 | Gary city (north) | 48.5% |
| 7 | Gary city (west-northwest) | 47.5% |
| 8 | New Chicago town (north-northwest) | 46.6% |
| 9 | New Chicago town (west-southwest 2) | 46.5% |
| 10 | Griffith town (north 2) | 45.9% |
| 11 | Ross CDP (east-southeast) | 44.3% |
| 12 | East Chicago city (north-northwest 3) | 43.3% |
| 13 | New Chicago town (north-northeast) | 42% |
| 14 | Gary city (west) | 41.3% |
| 15 | Lake Station city (north-northeast) | 40.8% |
| 16 | Hammond city (south 1) | 40.7% |
| 17 | East Chicago city (east-southeast) | 40.4% |
| 18 | Gary city (east 2) | 40.3% |
| 19 | East Chicago city (east 3) | 40% |
| 20 | East Chicago city (northwest 1) | 39.9% |
| 21 | Gary city (west-southwest 1) | 38.9% |
| 22 | Gary city (northeast 2) | 38.5% |
| 23 | East Chicago city (north-northwest 2) | 38.2% |
| 24 | Hammond city (south 2) | 36.4% |
| 25 | Gary city (north-northeast) | 34.9% |
| 26 | Ross CDP (east) | 32.6% |
| 27 | New Chicago town (west-southwest 1) | 31.8% |
| 28 | East Chicago city (west-southwest 1) | 31.7% |
| 29 | Gary city (south-southwest) | 31.7% |
| 30 | East Chicago city (west-southwest 2) | 30.3% |
| 31 | Gary city (east 1) | 29% |
| 32 | Ross CDP (north-northwest) | 28.5% |
| 33 | East Chicago city (south-southeast) | 28.1% |
| 34 | Crown Point city (west-northwest) | 27.9% |
| 35 | New Chicago town (south-southwest) | 27.9% |
| 36 | New Chicago town (east) | 27.3% |
| 37 | Gary city (northwest) | 23.3% |
| 38 | Gary city (west-southwest 2) | 22.8% |
| 39 | Hammond city (east-southeast) | 22.7% |
| 40 | Whiting city (east-southeast) | 22.3% |
| 41 | East Chicago city (southwest 1) | 22.1% |
| 42 | East Chicago city (northwest 2) | 21.9% |
| 43 | Merrillville town (southwest) | 21.7% |
| 44 | Gary city (south) | 21.6% |
| 45 | New Chicago town (east-southeast) | 21.6% |
| 46 | Highland town (west-southwest) | 20.7% |
| 47 | Whiting city (west-northwest) | 20.3% |
| 48 | Merrillville town (north-northeast 2) | 20.1% |
| 49 | East Chicago city (west) | 19.8% |
| 50 | East Chicago city (east 2) | 18.8% |
| 51 | East Chicago city (northwest 3) | 18.7% |
| 52 | Hammond city (south-southeast) | 18.3% |
| 53 | Merrillville town (west-southwest) | 18% |
| 54 | Highland town (southeast) | 17.4% |
| 55 | Hobart city (west 1) | 17.2% |
| 56 | East Chicago city (northwest 4) | 17.1% |
| 57 | Schererville town (east-southeast) | 16.4% |
| 58 | East Chicago city (east 1) | 16% |
| 59 | Hammond city (north-northwest) | 15.8% |
| 60 | Hobart city (west 2) | 15.8% |
| 61 | Munster town (east-northeast) | 15.8% |
| 62 | Lake Station city (south-southwest) | 15.7% |
| 63 | Dyer town (south-southeast) | 15.4% |
| 64 | Merrillville town (north-northeast 1) | 15.3% |
| 65 | East Chicago city (southwest 2) | 15.1% |
| 66 | Lake Station city (northwest) | 15.1% |
| 67 | East Chicago city (south-southwest 1) | 14.7% |
| 68 | Merrillville town (northwest) | 14.7% |
| 69 | Munster town (west-southwest) | 14.7% |
| 70 | Hammond city (north 2) | 14.2% |
| 71 | Hammond city (north 1) | 14% |
| 72 | Munster town (northwest 2) | 13.7% |
| 73 | East Chicago city (south-southwest 2) | 13.6% |
| 74 | East Chicago city (south) | 11.8% |
| 75 | Ross CDP (west-southwest) | 11.7% |
| 76 | Shelby CDP (west-southwest) | 11.3% |
| 77 | Hobart city (east-southeast) | 10.6% |
| 78 | Munster town (northwest 1) | 10.6% |
| 79 | Merrillville town (east) | 10.3% |
| 80 | Munster town (north) | 10% |
| 81 | Schererville town (northwest) | 9.9% |
| 82 | Merrillville town (south-southeast) | 9.8% |
| 83 | Merrillville town (southeast) | 9.6% |
| 84 | Munster town (north-northwest) | 9.4% |
| 85 | Griffith town (south 2) | 9.3% |
| 86 | Schererville town (south-southeast) | 9.3% |
| 87 | Munster town (south-southeast 2) | 9.2% |
| 88 | Dyer town (east) | 8.9% |
| 89 | Hobart city (east-northeast) | 8.9% |
| 90 | Munster town (north-northeast) | 8.8% |
| 91 | St. John town (east 1) | 8.8% |
| 92 | Ross CDP (south) | 8.3% |
| 93 | Ross CDP (west-northwest) | 8.1% |
| 94 | Lowell town | 7.6% |
| 95 | Crown Point city (north-northeast 2) | 7.4% |
| 96 | Cedar Lake town (west) | 7.1% |
| 97 | Lake Station city (southeast) | 7% |
| 98 | Griffith town (south 1) | 6.7% |
| 99 | Schererville town (northeast) | 6.5% |
| 100 | Dyer town (west) | 6.2% |
| 101 | Highland town (east-northeast) | 6.1% |
| 102 | Lakes of the Four Seasons CDP | 6.1% |
| 103 | Shelby CDP (east-northeast) | 6.1% |
| 104 | Crown Point city (east-northeast) | 5.8% |
| 105 | Cedar Lake town (northeast) | 5.7% |
| 106 | Munster town (east-southeast) | 5.6% |
| 107 | Griffith town (north 1) | 5.4% |
| 108 | Munster town (south-southeast 1) | 4.8% |
| 109 | Schererville town (west) | 4.6% |
| 110 | St. John town (west-southwest) | 4.3% |
| 111 | St. John town (east-southeast) | 4.1% |
| 112 | Highland town (south-southwest) | 3.8% |
| 113 | Munster town (south-southwest) | 3.7% |
| 114 | Winfield town (north) | 3.6% |
| 115 | Cedar Lake town (southeast) | 3.4% |
| 116 | Highland town (north-northeast) | 3.4% |
| 117 | Dyer town (north) | 3.1% |
| 118 | Winfield town (south) | 3.1% |
| 119 | Crown Point city (west) | 3% |
| 120 | Crown Point city (south-southwest) | 2.7% |
| 121 | St. John town (east 2) | 2.6% |
| 122 | St. John town (southwest) | 2.6% |
| 123 | Crown Point city (north-northeast 1) | 2.2% |
| 124 | Schneider town | 2% |
| 125 | Cedar Lake town (southwest) | 1.8% |
| 126 | St. John town (west-northwest 1) | 1.7% |
| 127 | Dyer town (south) | 1.4% |
| 128 | Crown Point city (south-southeast) | 1.3% |
| 129 | St. John town (north) | 0.7% |
| 130 | St. John town (west-northwest 2) | 0.5% |