| 1 | Finley CDP (east-northeast 2) | 60% |
| 2 | Finley CDP (west-southwest) | 58.4% |
| 3 | Kennewick city (east-southeast 3) | 55.3% |
| 4 | Prosser city (south-southeast) | 53.4% |
| 5 | Finley CDP (east-northeast 3) | 49% |
| 6 | Finley CDP (east-northeast 1) | 46.8% |
| 7 | Benton City city (northwest) | 46.5% |
| 8 | Prosser city (north-northwest) | 44.6% |
| 9 | Kennewick city (north-northeast) | 41.1% |
| 10 | Kennewick city (east-northeast) | 40.6% |
| 11 | Kennewick city (east-southeast 1) | 38.5% |
| 12 | Benton City city (east-southeast) | 34.9% |
| 13 | Kennewick city (south-southeast) | 34.7% |
| 14 | Benton City city (south-southwest) | 34.1% |
| 15 | Kennewick city (east-southeast 2) | 33.8% |
| 16 | Finley CDP (east-southeast 1) | 32.8% |
| 17 | West Richland city (northwest) | 31.4% |
| 18 | Richland city (northwest) | 27.2% |
| 19 | West Richland city (east-northeast) | 25.4% |
| 20 | Kennewick city (west-southwest) | 23.7% |
| 21 | Kennewick city (north-northwest) | 23.6% |
| 22 | Finley CDP (east) | 21.7% |
| 23 | Richland city (west) | 20.9% |
| 24 | Richland city (north-northwest) | 20.1% |
| 25 | Kennewick city (northwest) | 18.3% |
| 26 | Richland city (north-northeast 2) | 18.3% |
| 27 | West Richland city (southwest 2) | 18.2% |
| 28 | Finley CDP (east-southeast 2) | 17.9% |
| 29 | Richland city (southeast 1) | 17.6% |
| 30 | West Richland city (east-southeast) | 16.9% |
| 31 | Benton City city (south-southeast) | 13.9% |
| 32 | Finley CDP (south-southeast) | 13.9% |
| 33 | West Richland city (west) | 13.1% |
| 34 | Richland city (south-southwest) | 11.7% |
| 35 | Kennewick city (west) | 10% |
| 36 | Richland city (southeast 2) | 9% |
| 37 | West Richland city (northeast) | 8.7% |
| 38 | West Richland city (south) | 7.2% |
| 39 | West Richland city (southwest 1) | 6.7% |
| 40 | Kennewick city (west-northwest) | 6.1% |
| 41 | Richland city (north-northeast 1) | 5.5% |
| 42 | Finley CDP (northwest) | 5.1% |
| 43 | Finley CDP (west-northwest) | 4.9% |
| 44 | Richland city (south) | 2.3% |