| 1 | San Miguel CDP (east-northeast) | 25.4% |
| 2 | San Miguel CDP (west) | 24.9% |
| 3 | Shandon CDP (west-southwest 1) | 23.4% |
| 4 | Woodlands CDP (east-southeast) | 23.4% |
| 5 | Shandon CDP (west) | 23.1% |
| 6 | Woodlands CDP (southeast) | 18.6% |
| 7 | Cambria CDP | 17.8% |
| 8 | San Luis Obispo city (south) | 16.7% |
| 9 | Oceano CDP | 16.6% |
| 10 | El Paso de Robles (Paso Robles) city (west-southwest) | 16.4% |
| 11 | Creston CDP (south-southwest) | 16% |
| 12 | Woodlands CDP (northwest) | 15% |
| 13 | Grover Beach city (south) | 14.5% |
| 14 | San Simeon CDP (northwest 1) | 14.3% |
| 15 | Edna CDP (west-northwest 1) | 14.1% |
| 16 | Nipomo CDP | 13.3% |
| 17 | San Luis Obispo city (west) | 13.1% |
| 18 | Los Osos CDP (southeast) | 12.5% |
| 19 | Grover Beach city (northeast) | 12.1% |
| 20 | Edna CDP (south-southwest) | 12% |
| 21 | San Luis Obispo city (south-southwest) | 11.3% |
| 22 | Grover Beach city (west-northwest) | 11.2% |
| 23 | Arroyo Grande city (west) | 10.8% |
| 24 | Avila Beach CDP (southeast) | 10.4% |
| 25 | Shandon CDP (east-southeast) | 10.4% |
| 26 | California Polytechnic State University CDP (southeast) | 10.2% |
| 27 | Shandon CDP (north-northeast) | 10% |
| 28 | Avila Beach CDP (north-northeast) | 9.8% |
| 29 | Atascadero city | 9.6% |
| 30 | San Simeon CDP (northwest 2) | 9.3% |
| 31 | El Paso de Robles (Paso Robles) city (south-southwest) | 9.2% |
| 32 | Cayucos CDP | 8.5% |
| 33 | San Simeon CDP (southeast) | 8.3% |
| 34 | San Miguel CDP (east-southeast) | 8.2% |
| 35 | Grover Beach city (east-southeast) | 8.1% |
| 36 | Edna CDP (southeast) | 7.7% |
| 37 | Los Osos CDP (northwest) | 7.7% |
| 38 | El Paso de Robles (Paso Robles) city (northwest) | 7.4% |
| 39 | Morro Bay city (east-southeast) | 7.4% |
| 40 | Edna CDP (west-northwest 2) | 7.2% |
| 41 | Avila Beach CDP (west) | 6.9% |
| 42 | California Polytechnic State University CDP (east-southeast) | 6.7% |
| 43 | Morro Bay city (west-northwest) | 6.7% |
| 44 | Templeton CDP | 6.7% |
| 45 | San Simeon CDP (south-southeast 2) | 6.6% |
| 46 | Edna CDP (east) | 6.5% |
| 47 | San Luis Obispo city (east) | 6.4% |
| 48 | California Polytechnic State University CDP (west-northwest) | 6% |
| 49 | Santa Margarita CDP (southeast) | 6% |
| 50 | California Polytechnic State University CDP (north-northeast 1) | 5.9% |
| 51 | Arroyo Grande city (east) | 5.8% |
| 52 | Los Berros CDP (north-northwest) | 5.7% |
| 53 | Grover Beach city (north-northwest) | 5.6% |
| 54 | Creston CDP (west-northwest) | 5.4% |
| 55 | San Simeon CDP (northeast) | 5.4% |
| 56 | Woodlands CDP (southwest) | 5.4% |
| 57 | San Luis Obispo city (northwest) | 5.3% |
| 58 | Santa Margarita CDP (northwest) | 5.3% |
| 59 | Shandon CDP (west-southwest 2) | 5.2% |
| 60 | San Simeon CDP (south-southeast 1) | 4.9% |
| 61 | Pismo Beach city (southeast) | 4.5% |
| 62 | California Polytechnic State University CDP (north-northeast 2) | 4.4% |
| 63 | Los Berros CDP (south-southeast) | 4.4% |
| 64 | El Paso de Robles (Paso Robles) city (northeast) | 4.3% |
| 65 | San Simeon CDP (south) | 4.2% |
| 66 | Oak Shores CDP | 3.5% |
| 67 | Creston CDP (east) | 3.4% |
| 68 | Creston CDP (west) | 3.4% |
| 69 | California Polytechnic State University CDP (southwest) | 1.8% |