| 1 | Bellingham city (southwest) | 43% |
| 2 | Geneva CDP (west) | 36.9% |
| 3 | Geneva CDP (west-northwest) | 35.3% |
| 4 | Bellingham city (west) | 32.9% |
| 5 | Marietta-Alderwood CDP (north-northwest) | 29.6% |
| 6 | Marietta-Alderwood CDP (east) | 28.4% |
| 7 | Bellingham city (north 2) | 26.5% |
| 8 | Marietta-Alderwood CDP (north-northeast) | 21.6% |
| 9 | Marietta-Alderwood CDP (south-southwest 1) | 18.6% |
| 10 | Peaceful Valley CDP | 18.1% |
| 11 | Bellingham city (east-northeast) | 17.3% |
| 12 | Bellingham city (southeast 1) | 16.9% |
| 13 | Marietta-Alderwood CDP (east-southeast) | 16.1% |
| 14 | Marietta-Alderwood CDP (west) | 15.9% |
| 15 | Marietta-Alderwood CDP (northeast) | 15.5% |
| 16 | Bellingham city (west-northwest) | 14.4% |
| 17 | Sumas city (west-northwest) | 14.4% |
| 18 | Blaine city (south-southeast) | 13.9% |
| 19 | Everson city (west-southwest) | 13.3% |
| 20 | Kendall CDP | 13.3% |
| 21 | Blaine city (north-northwest) | 13.2% |
| 22 | Everson city (east) | 12.3% |
| 23 | Ferndale city (west-southwest) | 12.3% |
| 24 | Point Roberts CDP | 12.2% |
| 25 | Glacier CDP (east) | 11.7% |
| 26 | Bellingham city (north 1) | 11.3% |
| 27 | Everson city (south-southeast) | 11% |
| 28 | Geneva CDP (east-southeast 1) | 9.8% |
| 29 | Ferndale city (north-northeast) | 9.6% |
| 30 | Glacier CDP (west) | 9.1% |
| 31 | Birch Bay CDP (north) | 9% |
| 32 | Geneva CDP (southwest) | 8.9% |
| 33 | Birch Bay CDP (northwest) | 8.2% |
| 34 | Marietta-Alderwood CDP (southeast) | 8.2% |
| 35 | Nooksack city | 8.2% |
| 36 | Lynden city | 8.1% |
| 37 | Geneva CDP (west-southwest) | 7.6% |
| 38 | Birch Bay CDP (south) | 7.5% |
| 39 | Custer CDP (east) | 7.4% |
| 40 | Geneva CDP (north-northeast) | 7.4% |
| 41 | Geneva CDP (east-southeast 2) | 7.3% |
| 42 | Custer CDP (south) | 7% |
| 43 | Ferndale city (east-northeast) | 6.6% |
| 44 | Everson city (north) | 6.2% |
| 45 | Birch Bay CDP (south-southeast) | 5.7% |
| 46 | Birch Bay CDP (north-northeast) | 5.5% |
| 47 | Sumas city (east-southeast) | 5.1% |
| 48 | Geneva CDP (northeast) | 4.9% |
| 49 | Custer CDP (west) | 4.8% |
| 50 | Ferndale city (west) | 4.8% |
| 51 | Sudden Valley CDP | 3.1% |
| 52 | Bellingham city (southeast 2) | 2.5% |
| 53 | Marietta-Alderwood CDP (south-southwest 2) | 2.5% |
| 54 | Custer CDP (north-northwest) | 2% |