| 1 | Merrillville town (southwest) | 27% |
| 2 | East Chicago city (north-northwest 2) | 22.8% |
| 3 | Dyer town (north) | 21.7% |
| 4 | East Chicago city (east 3) | 16.8% |
| 5 | Crown Point city (west) | 16.7% |
| 6 | Hammond city (south-southeast) | 14.9% |
| 7 | Schererville town (northeast) | 14.1% |
| 8 | Winfield town (south) | 14.1% |
| 9 | Crown Point city (south-southwest) | 13.4% |
| 10 | Gary city (north-northeast) | 12.7% |
| 11 | St. John town (east 2) | 12.7% |
| 12 | St. John town (west-southwest) | 12.7% |
| 13 | Dyer town (south) | 12.4% |
| 14 | St. John town (west-northwest 2) | 11.7% |
| 15 | Gary city (south-southeast) | 11.6% |
| 16 | Ross CDP (north-northwest) | 11.5% |
| 17 | Munster town (northwest 1) | 11.4% |
| 18 | Munster town (south-southeast 2) | 11.2% |
| 19 | Dyer town (east) | 10.9% |
| 20 | Gary city (south) | 10.8% |
| 21 | St. John town (west-northwest 1) | 10.6% |
| 22 | Munster town (north-northeast) | 10.5% |
| 23 | Schererville town (west) | 10.3% |
| 24 | Lakes of the Four Seasons CDP | 10.2% |
| 25 | Cedar Lake town (west) | 10.1% |
| 26 | East Chicago city (south-southwest 2) | 10.1% |
| 27 | Whiting city (west-northwest) | 9.9% |
| 28 | Highland town (west-southwest) | 9.8% |
| 29 | East Chicago city (west) | 9.7% |
| 30 | Munster town (south-southwest) | 9.7% |
| 31 | Highland town (east-northeast) | 9.6% |
| 32 | St. John town (southwest) | 9.6% |
| 33 | Schererville town (east-southeast) | 9.5% |
| 34 | St. John town (north) | 9.3% |
| 35 | East Chicago city (east 1) | 9% |
| 36 | Gary city (south-southwest) | 9% |
| 37 | Dyer town (west) | 8.7% |
| 38 | East Chicago city (southwest 2) | 8.5% |
| 39 | Dyer town (south-southeast) | 8.4% |
| 40 | Hammond city (north 1) | 8.4% |
| 41 | Merrillville town (south-southeast) | 8.4% |
| 42 | Merrillville town (west-southwest) | 8.4% |
| 43 | Gary city (west-northwest) | 8.1% |
| 44 | Lowell town | 8.1% |
| 45 | Gary city (west-southwest 2) | 7.9% |
| 46 | Schererville town (northwest) | 7.8% |
| 47 | St. John town (east-southeast) | 7.8% |
| 48 | Whiting city (east-southeast) | 7.8% |
| 49 | Munster town (south-southeast 1) | 7.7% |
| 50 | Munster town (west-southwest) | 7.7% |
| 51 | Crown Point city (north-northeast 1) | 7.5% |
| 52 | Merrillville town (southeast) | 7.2% |
| 53 | Crown Point city (east-northeast) | 7.1% |
| 54 | East Chicago city (east 2) | 7.1% |
| 55 | Crown Point city (south-southeast) | 7% |
| 56 | Highland town (north-northeast) | 7% |
| 57 | New Chicago town (east) | 6.9% |
| 58 | New Chicago town (north-northeast) | 6.9% |
| 59 | Schererville town (south-southeast) | 6.7% |
| 60 | Shelby CDP (west-southwest) | 6.7% |
| 61 | Gary city (west-southwest 1) | 6.6% |
| 62 | Merrillville town (northwest) | 6.5% |
| 63 | Munster town (east-southeast) | 6.5% |
| 64 | East Chicago city (southwest 1) | 6.4% |
| 65 | Griffith town (south 1) | 6.3% |
| 66 | Hammond city (south-southwest) | 6.2% |
| 67 | Merrillville town (north-northeast 1) | 6.1% |
| 68 | New Chicago town (west-southwest 1) | 6.1% |
| 69 | Schneider town | 6.1% |
| 70 | Crown Point city (west-northwest) | 6% |
| 71 | Cedar Lake town (southeast) | 5.9% |
| 72 | Crown Point city (north-northeast 2) | 5.7% |
| 73 | East Chicago city (south-southwest 1) | 5.7% |
| 74 | Hammond city (south 2) | 5.7% |
| 75 | Lake Station city (north-northeast) | 5.7% |
| 76 | Cedar Lake town (southwest) | 5.4% |
| 77 | East Chicago city (south-southeast) | 5.3% |
| 78 | East Chicago city (west-southwest 1) | 5.1% |
| 79 | East Chicago city (east-southeast) | 4.9% |
| 80 | Griffith town (north 2) | 4.8% |
| 81 | East Chicago city (northwest 2) | 4.5% |
| 82 | Ross CDP (west-southwest) | 4.5% |
| 83 | Griffith town (south 2) | 4.4% |
| 84 | Lake Station city (south-southwest) | 4.4% |
| 85 | East Chicago city (north-northwest 1) | 4.3% |
| 86 | East Chicago city (northwest 1) | 4.3% |
| 87 | Hammond city (north 2) | 4.3% |
| 88 | Hammond city (north-northwest) | 4% |
| 89 | Highland town (southeast) | 4% |
| 90 | Hobart city (east-northeast) | 3.9% |
| 91 | Hobart city (west 2) | 3.9% |
| 92 | East Chicago city (west-southwest 2) | 3.8% |
| 93 | New Chicago town (north-northwest) | 3.8% |
| 94 | Lake Station city (southeast) | 3.7% |
| 95 | Munster town (east-northeast) | 3.7% |
| 96 | Highland town (south-southwest) | 3.6% |
| 97 | East Chicago city (south) | 3.5% |
| 98 | Ross CDP (east) | 3.5% |
| 99 | Ross CDP (south) | 3.5% |
| 100 | Lake Station city (northwest) | 3.3% |
| 101 | Merrillville town (east) | 3.3% |
| 102 | Merrillville town (north-northeast 2) | 3% |
| 103 | Gary city (east-southeast) | 2.7% |
| 104 | Hobart city (east-southeast) | 2.6% |
| 105 | Shelby CDP (east-northeast) | 2.6% |
| 106 | Gary city (east 1) | 2.5% |
| 107 | Munster town (northwest 2) | 2.5% |
| 108 | Griffith town (north 1) | 2.1% |
| 109 | Hammond city (south 1) | 2% |
| 110 | New Chicago town (west-southwest 2) | 1.9% |
| 111 | Gary city (west) | 1.8% |
| 112 | East Chicago city (northwest 3) | 1.7% |
| 113 | Gary city (north) | 1.7% |
| 114 | St. John town (east 1) | 1.6% |
| 115 | Munster town (north-northwest) | 1.5% |
| 116 | New Chicago town (east-southeast) | 1.5% |
| 117 | Hammond city (east-southeast) | 1.4% |
| 118 | Gary city (northwest) | 1.3% |
| 119 | Hobart city (west 1) | 1.3% |
| 120 | Ross CDP (west-northwest) | 1.3% |
| 121 | Winfield town (north) | 1.3% |
| 122 | Munster town (north) | 1.2% |
| 123 | Cedar Lake town (northeast) | 0.6% |
| 124 | New Chicago town (south-southwest) | 0.6% |
| 125 | East Chicago city (north-northwest 3) | 0% |
| 126 | East Chicago city (northwest 4) | 0% |
| 127 | Gary city (east 2) | 0% |
| 128 | Gary city (northeast 1) | 0% |
| 129 | Gary city (northeast 2) | 0% |
| 130 | Ross CDP (east-southeast) | 0% |