| 1 | California Polytechnic State University CDP (north-northeast 1) | 80.8% |
| 2 | California Polytechnic State University CDP (east-southeast) | 66.8% |
| 3 | California Polytechnic State University CDP (west-northwest) | 47.2% |
| 4 | California Polytechnic State University CDP (southwest) | 45.8% |
| 5 | San Luis Obispo city (northwest) | 30.3% |
| 6 | San Miguel CDP (east-northeast) | 29.6% |
| 7 | Oceano CDP | 27.2% |
| 8 | California Polytechnic State University CDP (southeast) | 21.2% |
| 9 | San Luis Obispo city (south) | 19.5% |
| 10 | Grover Beach city (northeast) | 18.7% |
| 11 | El Paso de Robles (Paso Robles) city (south-southwest) | 17.9% |
| 12 | San Simeon CDP (southeast) | 17.8% |
| 13 | San Miguel CDP (west) | 17% |
| 14 | Los Osos CDP (southeast) | 16% |
| 15 | Woodlands CDP (southwest) | 15.7% |
| 16 | Creston CDP (west) | 15.2% |
| 17 | San Luis Obispo city (west) | 14.7% |
| 18 | Creston CDP (south-southwest) | 14.5% |
| 19 | Grover Beach city (south) | 13.1% |
| 20 | Morro Bay city (west-northwest) | 12.3% |
| 21 | Cambria CDP | 12.1% |
| 22 | San Luis Obispo city (east) | 11.9% |
| 23 | San Simeon CDP (south-southeast 1) | 10.9% |
| 24 | San Luis Obispo city (south-southwest) | 10.8% |
| 25 | Pismo Beach city (southeast) | 10.5% |
| 26 | Nipomo CDP | 10.4% |
| 27 | Avila Beach CDP (north-northeast) | 10.3% |
| 28 | Creston CDP (west-northwest) | 10.3% |
| 29 | El Paso de Robles (Paso Robles) city (west-southwest) | 10% |
| 30 | Shandon CDP (west) | 9.9% |
| 31 | Edna CDP (southeast) | 9.8% |
| 32 | El Paso de Robles (Paso Robles) city (northwest) | 9.8% |
| 33 | Morro Bay city (east-southeast) | 9.2% |
| 34 | Shandon CDP (west-southwest 1) | 8.7% |
| 35 | San Simeon CDP (northwest 2) | 8.3% |
| 36 | San Simeon CDP (south-southeast 2) | 8.3% |
| 37 | Woodlands CDP (northwest) | 8.3% |
| 38 | San Miguel CDP (east-southeast) | 8.2% |
| 39 | Shandon CDP (east-southeast) | 8.1% |
| 40 | Avila Beach CDP (west) | 7.6% |
| 41 | Edna CDP (east) | 7.5% |
| 42 | Grover Beach city (west-northwest) | 7.5% |
| 43 | Santa Margarita CDP (northwest) | 7.4% |
| 44 | Templeton CDP | 7.2% |
| 45 | Grover Beach city (east-southeast) | 7.1% |
| 46 | Grover Beach city (north-northwest) | 7.1% |
| 47 | Shandon CDP (north-northeast) | 7% |
| 48 | Edna CDP (west-northwest 2) | 6.9% |
| 49 | San Simeon CDP (south) | 6.9% |
| 50 | Atascadero city | 6.8% |
| 51 | El Paso de Robles (Paso Robles) city (northeast) | 6.8% |
| 52 | Arroyo Grande city (west) | 6.2% |
| 53 | Avila Beach CDP (southeast) | 6% |
| 54 | Cayucos CDP | 6% |
| 55 | Oak Shores CDP | 6% |
| 56 | Woodlands CDP (southeast) | 4.9% |
| 57 | San Simeon CDP (northwest 1) | 4.7% |
| 58 | Los Osos CDP (northwest) | 4.5% |
| 59 | Santa Margarita CDP (southeast) | 4.3% |
| 60 | Shandon CDP (west-southwest 2) | 4.3% |
| 61 | Los Berros CDP (north-northwest) | 3.2% |
| 62 | San Simeon CDP (northeast) | 3.2% |
| 63 | Edna CDP (south-southwest) | 3.1% |
| 64 | Arroyo Grande city (east) | 2.9% |
| 65 | Los Berros CDP (south-southeast) | 2.5% |
| 66 | Woodlands CDP (east-southeast) | 2.4% |
| 67 | Creston CDP (east) | 1.3% |