| 1 | Cedar Rapids city (north-northeast 1) | 99% |
| 2 | Hiawatha city (west-northwest) | 97.5% |
| 3 | Marion city (north) | 95.9% |
| 4 | Cedar Rapids city (northwest 2) | 95.4% |
| 5 | Cedar Rapids city (north-northeast 2) | 95.1% |
| 6 | Robins city | 94.6% |
| 7 | Mount Vernon city (south) | 93.1% |
| 8 | Cedar Rapids city (east 1) | 92.2% |
| 9 | Cedar Rapids city (northwest 1) | 91.4% |
| 10 | Cedar Rapids city (southwest 2) | 89.8% |
| 11 | Coggon city | 88.4% |
| 12 | Cedar Rapids city (north-northwest) | 88.3% |
| 13 | Marion city (east-northeast) | 88.1% |
| 14 | Springville city | 87.7% |
| 15 | Marion city (north-northwest) | 85.6% |
| 16 | Marion city (northwest) | 85.2% |
| 17 | Cedar Rapids city (west-southwest 2) | 84.5% |
| 18 | Cedar Rapids city (south 5) | 84.1% |
| 19 | Central City city | 83.6% |
| 20 | Cedar Rapids city (southwest 3) | 82.7% |
| 21 | Mount Vernon city (north) | 81.7% |
| 22 | Cedar Rapids city (southwest 5) | 81.3% |
| 23 | Cedar Rapids city (south 3) | 81.2% |
| 24 | Center Point city | 81.1% |
| 25 | Cedar Rapids city (west 1) | 79.1% |
| 26 | Marion city (east) | 78.2% |
| 27 | Cedar Rapids city (east 2) | 77.3% |
| 28 | Cedar Rapids city (west 2) | 76.1% |
| 29 | Cedar Rapids city (south 4) | 73.9% |
| 30 | Marion city (south-southeast) | 73.7% |
| 31 | Cedar Rapids city (northeast 2) | 73.4% |
| 32 | Cedar Rapids city (east-northeast 2) | 72.3% |
| 33 | Cedar Rapids city (east-southeast) | 70.9% |
| 34 | Cedar Rapids city (west-southwest 3) | 69.7% |
| 35 | Cedar Rapids city (southeast 1) | 65.2% |
| 36 | Cedar Rapids city (southwest 4) | 64.7% |
| 37 | Marion city (south) | 64.6% |
| 38 | Marion city (west) | 61.1% |
| 39 | Hiawatha city (east-southeast) | 60.5% |
| 40 | Marion city (southwest) | 58.8% |
| 41 | Cedar Rapids city (west-northwest) | 56.6% |
| 42 | Cedar Rapids city (southeast 3) | 53.7% |
| 43 | Cedar Rapids city (east-northeast 1) | 53.2% |
| 44 | Cedar Rapids city (northeast 1) | 51.2% |
| 45 | Cedar Rapids city (north-northeast 3) | 50.8% |
| 46 | Cedar Rapids city (north-northeast 5) | 50.8% |
| 47 | Cedar Rapids city (south 1) | 48.6% |
| 48 | Cedar Rapids city (south 2) | 46.4% |
| 49 | Cedar Rapids city (southwest 1) | 45.4% |
| 50 | Cedar Rapids city (west-southwest 1) | 43.9% |
| 51 | Cedar Rapids city (north-northeast 6) | 40.6% |
| 52 | Cedar Rapids city (southeast 2) | 23.1% |
| 53 | Cedar Rapids city (north-northeast 4) | 16.9% |
| 54 | Cedar Rapids city (east 3) | 10.6% |