| 1 | Finley CDP (west-northwest) | 98% |
| 2 | Finley CDP (south-southeast) | 96.6% |
| 3 | Finley CDP (east) | 95.1% |
| 4 | Richland city (south) | 94.8% |
| 5 | West Richland city (southwest 2) | 93.7% |
| 6 | West Richland city (west) | 92.5% |
| 7 | West Richland city (southwest 1) | 92.4% |
| 8 | Finley CDP (northwest) | 91.8% |
| 9 | Finley CDP (east-southeast 2) | 87.6% |
| 10 | West Richland city (south) | 83.9% |
| 11 | Finley CDP (east-southeast 1) | 82.2% |
| 12 | Richland city (north-northeast 1) | 82% |
| 13 | Richland city (south-southwest) | 82% |
| 14 | West Richland city (northeast) | 81.5% |
| 15 | Benton City city (east-southeast) | 80.3% |
| 16 | West Richland city (northwest) | 80.2% |
| 17 | Kennewick city (west-northwest) | 78% |
| 18 | Kennewick city (east-southeast 2) | 77.5% |
| 19 | Kennewick city (west-southwest) | 77.5% |
| 20 | Kennewick city (south-southeast) | 75.4% |
| 21 | Richland city (west) | 73.6% |
| 22 | Kennewick city (west) | 68.9% |
| 23 | Benton City city (south-southwest) | 68.1% |
| 24 | Benton City city (northwest) | 67.8% |
| 25 | Richland city (north-northwest) | 67.4% |
| 26 | Finley CDP (east-northeast 2) | 67.1% |
| 27 | Finley CDP (west-southwest) | 65.6% |
| 28 | Richland city (northwest) | 65.5% |
| 29 | Benton City city (south-southeast) | 65.4% |
| 30 | Prosser city (south-southeast) | 62% |
| 31 | Kennewick city (east-northeast) | 61.9% |
| 32 | Prosser city (north-northwest) | 61.2% |
| 33 | Kennewick city (northwest) | 60.6% |
| 34 | Kennewick city (north-northeast) | 55.8% |
| 35 | Finley CDP (east-northeast 3) | 49.7% |
| 36 | West Richland city (east-northeast) | 49.1% |
| 37 | Kennewick city (east-southeast 1) | 45.7% |
| 38 | Richland city (north-northeast 2) | 40.7% |
| 39 | Richland city (southeast 2) | 39.3% |
| 40 | Kennewick city (north-northwest) | 37.9% |
| 41 | Richland city (southeast 1) | 37.6% |
| 42 | West Richland city (east-southeast) | 22.3% |
| 43 | Kennewick city (east-southeast 3) | 16.2% |
| 44 | Finley CDP (east-northeast 1) | 8.8% |