| 1 | Shandon CDP (west-southwest 2) | 94.6% |
| 2 | Atascadero city | 90% |
| 3 | Grover Beach city (north-northwest) | 89.8% |
| 4 | San Simeon CDP (northeast) | 88% |
| 5 | Los Berros CDP (north-northwest) | 87.3% |
| 6 | Shandon CDP (east-southeast) | 85.1% |
| 7 | Grover Beach city (south) | 84.1% |
| 8 | El Paso de Robles (Paso Robles) city (northwest) | 82.1% |
| 9 | El Paso de Robles (Paso Robles) city (northeast) | 81.6% |
| 10 | Oak Shores CDP | 81.6% |
| 11 | Avila Beach CDP (west) | 80.9% |
| 12 | Los Berros CDP (south-southeast) | 80.9% |
| 13 | Cambria CDP | 78.2% |
| 14 | San Simeon CDP (south) | 77.3% |
| 15 | Templeton CDP | 76.2% |
| 16 | San Simeon CDP (northwest 1) | 76% |
| 17 | Shandon CDP (north-northeast) | 75.8% |
| 18 | Santa Margarita CDP (southeast) | 75.1% |
| 19 | Woodlands CDP (southwest) | 74.8% |
| 20 | Edna CDP (southeast) | 74.6% |
| 21 | Avila Beach CDP (southeast) | 73.9% |
| 22 | Arroyo Grande city (east) | 73.6% |
| 23 | Morro Bay city (west-northwest) | 72.5% |
| 24 | Creston CDP (east) | 72.4% |
| 25 | Edna CDP (south-southwest) | 72.4% |
| 26 | Los Osos CDP (northwest) | 72% |
| 27 | Avila Beach CDP (north-northeast) | 71.2% |
| 28 | Woodlands CDP (east-southeast) | 70.9% |
| 29 | Edna CDP (east) | 70.8% |
| 30 | San Miguel CDP (west) | 70.7% |
| 31 | Shandon CDP (west-southwest 1) | 70.4% |
| 32 | Woodlands CDP (northwest) | 70.1% |
| 33 | Santa Margarita CDP (northwest) | 69.3% |
| 34 | Woodlands CDP (southeast) | 68.9% |
| 35 | San Simeon CDP (northwest 2) | 67.7% |
| 36 | San Miguel CDP (east-southeast) | 66.4% |
| 37 | Nipomo CDP | 66.3% |
| 38 | Creston CDP (west-northwest) | 66% |
| 39 | Edna CDP (west-northwest 2) | 64.1% |
| 40 | El Paso de Robles (Paso Robles) city (south-southwest) | 64% |
| 41 | Morro Bay city (east-southeast) | 63.8% |
| 42 | San Luis Obispo city (south-southwest) | 58.4% |
| 43 | Cayucos CDP | 57.1% |
| 44 | San Simeon CDP (south-southeast 1) | 55.6% |
| 45 | Shandon CDP (west) | 54.8% |
| 46 | San Simeon CDP (southeast) | 54.6% |
| 47 | Creston CDP (west) | 51.3% |
| 48 | Grover Beach city (east-southeast) | 50.3% |
| 49 | Pismo Beach city (southeast) | 50.2% |
| 50 | Los Osos CDP (southeast) | 50.1% |
| 51 | San Simeon CDP (south-southeast 2) | 49.7% |
| 52 | Grover Beach city (west-northwest) | 49.5% |
| 53 | San Luis Obispo city (east) | 48.9% |
| 54 | Grover Beach city (northeast) | 46.6% |
| 55 | Oceano CDP | 46.4% |
| 56 | California Polytechnic State University CDP (southeast) | 41.6% |
| 57 | Creston CDP (south-southwest) | 40.7% |
| 58 | San Luis Obispo city (south) | 37% |
| 59 | California Polytechnic State University CDP (southwest) | 36.7% |
| 60 | Arroyo Grande city (west) | 36.6% |
| 61 | San Luis Obispo city (west) | 32.7% |
| 62 | El Paso de Robles (Paso Robles) city (west-southwest) | 32.3% |
| 63 | California Polytechnic State University CDP (west-northwest) | 31.6% |
| 64 | San Miguel CDP (east-northeast) | 28.1% |
| 65 | San Luis Obispo city (northwest) | 12.6% |
| 66 | California Polytechnic State University CDP (east-southeast) | 11.8% |
| 67 | California Polytechnic State University CDP (north-northeast 1) | 0.2% |