| 1 | East Chicago city (west-southwest 2) | 70.1% |
| 2 | Hammond city (east-southeast) | 68% |
| 3 | East Chicago city (northwest 2) | 65.4% |
| 4 | Hammond city (south 1) | 61.8% |
| 5 | Hammond city (south-southeast) | 60.8% |
| 6 | Whiting city (west-northwest) | 58.1% |
| 7 | East Chicago city (northwest 3) | 58% |
| 8 | East Chicago city (northwest 4) | 57.5% |
| 9 | Hammond city (north-northwest) | 54.2% |
| 10 | East Chicago city (southwest 2) | 51.3% |
| 11 | Whiting city (east-southeast) | 50.2% |
| 12 | East Chicago city (south-southwest 1) | 46.1% |
| 13 | East Chicago city (north-northwest 2) | 45% |
| 14 | Munster town (north-northeast) | 42.2% |
| 15 | Hammond city (south 2) | 41% |
| 16 | Munster town (northwest 1) | 40.6% |
| 17 | Munster town (north-northwest) | 39.5% |
| 18 | East Chicago city (west) | 39.4% |
| 19 | Munster town (north) | 38.8% |
| 20 | Munster town (northwest 2) | 37.8% |
| 21 | Lake Station city (south-southwest) | 37.4% |
| 22 | Hammond city (north 1) | 36.9% |
| 23 | East Chicago city (south-southwest 2) | 36.4% |
| 24 | New Chicago town (east) | 36.3% |
| 25 | Munster town (east-northeast) | 35.1% |
| 26 | East Chicago city (northwest 1) | 34.4% |
| 27 | Hammond city (north 2) | 32.5% |
| 28 | New Chicago town (west-southwest 2) | 32.5% |
| 29 | East Chicago city (north-northwest 3) | 31.5% |
| 30 | East Chicago city (west-southwest 1) | 30.1% |
| 31 | East Chicago city (south) | 29.5% |
| 32 | Merrillville town (west-southwest) | 29.3% |
| 33 | New Chicago town (west-southwest 1) | 27.1% |
| 34 | East Chicago city (southwest 1) | 25.4% |
| 35 | Highland town (southeast) | 24.9% |
| 36 | Lake Station city (southeast) | 24.9% |
| 37 | Ross CDP (west-northwest) | 23.4% |
| 38 | Highland town (west-southwest) | 22.3% |
| 39 | Munster town (east-southeast) | 21.5% |
| 40 | Ross CDP (west-southwest) | 21.3% |
| 41 | Crown Point city (north-northeast 1) | 21% |
| 42 | New Chicago town (east-southeast) | 20.6% |
| 43 | Griffith town (south 1) | 20.1% |
| 44 | Ross CDP (east-southeast) | 20% |
| 45 | Munster town (south-southeast 2) | 19.8% |
| 46 | Griffith town (south 2) | 19.6% |
| 47 | Hobart city (west 2) | 19.2% |
| 48 | Lake Station city (north-northeast) | 18.6% |
| 49 | Crown Point city (north-northeast 2) | 18.5% |
| 50 | East Chicago city (north-northwest 1) | 18.1% |
| 51 | Griffith town (north 2) | 18% |
| 52 | Schererville town (south-southeast) | 17.7% |
| 53 | Ross CDP (north-northwest) | 17.6% |
| 54 | Highland town (north-northeast) | 17.5% |
| 55 | Merrillville town (north-northeast 2) | 17.5% |
| 56 | St. John town (east 2) | 17% |
| 57 | Ross CDP (south) | 16.7% |
| 58 | Schererville town (east-southeast) | 16.7% |
| 59 | Hobart city (east-northeast) | 16.6% |
| 60 | Munster town (south-southeast 1) | 16.5% |
| 61 | Cedar Lake town (west) | 16.3% |
| 62 | Hobart city (west 1) | 16.3% |
| 63 | Schererville town (northeast) | 15.8% |
| 64 | Dyer town (west) | 14.9% |
| 65 | Griffith town (north 1) | 14.5% |
| 66 | St. John town (southwest) | 14.4% |
| 67 | Merrillville town (east) | 14.1% |
| 68 | Merrillville town (southwest) | 13.9% |
| 69 | Hobart city (east-southeast) | 13.7% |
| 70 | Merrillville town (northwest) | 13.2% |
| 71 | Highland town (south-southwest) | 12.9% |
| 72 | Crown Point city (south-southeast) | 12.8% |
| 73 | Schererville town (northwest) | 12.8% |
| 74 | Crown Point city (east-northeast) | 12.4% |
| 75 | Dyer town (south-southeast) | 12.2% |
| 76 | East Chicago city (south-southeast) | 12.1% |
| 77 | Munster town (west-southwest) | 12.1% |
| 78 | Dyer town (east) | 11.9% |
| 79 | Hammond city (south-southwest) | 11.9% |
| 80 | Lakes of the Four Seasons CDP | 11.9% |
| 81 | Merrillville town (north-northeast 1) | 11.8% |
| 82 | New Chicago town (north-northeast) | 11.8% |
| 83 | St. John town (west-northwest 1) | 11.8% |
| 84 | East Chicago city (east-southeast) | 11.6% |
| 85 | Lowell town | 11.5% |
| 86 | Dyer town (south) | 10.9% |
| 87 | Gary city (west) | 10.7% |
| 88 | Merrillville town (southeast) | 10.7% |
| 89 | Shelby CDP (east-northeast) | 10.1% |
| 90 | St. John town (north) | 9.7% |
| 91 | Dyer town (north) | 9.6% |
| 92 | Munster town (south-southwest) | 9.6% |
| 93 | Crown Point city (south-southwest) | 9.4% |
| 94 | Merrillville town (south-southeast) | 9.4% |
| 95 | Ross CDP (east) | 9.2% |
| 96 | Highland town (east-northeast) | 9% |
| 97 | New Chicago town (north-northwest) | 8.6% |
| 98 | Schererville town (west) | 8.6% |
| 99 | St. John town (east-southeast) | 8.5% |
| 100 | St. John town (west-southwest) | 8.4% |
| 101 | Shelby CDP (west-southwest) | 8.3% |
| 102 | St. John town (west-northwest 2) | 8.3% |
| 103 | Gary city (east-southeast) | 8.1% |
| 104 | Winfield town (south) | 7.8% |
| 105 | Gary city (south-southeast) | 7.7% |
| 106 | Schneider town | 7.5% |
| 107 | Cedar Lake town (southwest) | 7.4% |
| 108 | Crown Point city (west-northwest) | 7.3% |
| 109 | East Chicago city (east 1) | 7.3% |
| 110 | St. John town (east 1) | 7.1% |
| 111 | Crown Point city (west) | 6.5% |
| 112 | Gary city (northwest) | 6.2% |
| 113 | Winfield town (north) | 6% |
| 114 | Gary city (west-northwest) | 5.5% |
| 115 | Gary city (north) | 5.3% |
| 116 | Gary city (northeast 1) | 5.3% |
| 117 | Gary city (west-southwest 2) | 5% |
| 118 | East Chicago city (east 3) | 4.1% |
| 119 | Cedar Lake town (southeast) | 3.6% |
| 120 | Gary city (south-southwest) | 2.7% |
| 121 | Cedar Lake town (northeast) | 2% |
| 122 | Gary city (south) | 1.7% |
| 123 | Lake Station city (northwest) | 1.7% |
| 124 | Gary city (west-southwest 1) | 1.6% |
| 125 | New Chicago town (south-southwest) | 1.4% |
| 126 | Gary city (east 2) | 0.2% |
| 127 | East Chicago city (east 2) | 0% |
| 128 | Gary city (east 1) | 0% |
| 129 | Gary city (north-northeast) | 0% |
| 130 | Gary city (northeast 2) | 0% |