| 1 | Eldorado Springs CDP (northeast) | 50.4% |
| 2 | Lazy Acres CDP (northwest 1) | 49.9% |
| 3 | Lyons town (west-southwest) | 46.9% |
| 4 | St. Ann Highlands CDP (west-southwest) | 46.6% |
| 5 | Eldorado Springs CDP (west-northwest) | 45.9% |
| 6 | Eldorado Springs CDP (southwest) | 41% |
| 7 | Louisville city (west) | 40.9% |
| 8 | Lafayette city (west-northwest) | 40.4% |
| 9 | Lazy Acres CDP (northwest 2) | 39.8% |
| 10 | Eldorado Springs CDP (east) | 39.1% |
| 11 | Lazy Acres CDP (northeast 2) | 39% |
| 12 | Paragon Estates CDP (east-southeast) | 39% |
| 13 | Boulder city (east-northeast) | 38.1% |
| 14 | Lazy Acres CDP (south 1) | 38% |
| 15 | Niwot CDP (south-southwest) | 36.9% |
| 16 | Paragon Estates CDP (northwest) | 36.7% |
| 17 | Paragon Estates CDP (west) | 36.6% |
| 18 | Ward town | 36% |
| 19 | Valmont CDP (northwest) | 35.7% |
| 20 | Boulder city (southwest) | 35.2% |
| 21 | Gunbarrel CDP | 35% |
| 22 | Lazy Acres CDP (east-southeast) | 34.9% |
| 23 | Lazy Acres CDP (south 2) | 34.9% |
| 24 | Eldora CDP | 34.8% |
| 25 | Superior town (south) | 34.5% |
| 26 | Paragon Estates CDP (east) | 34% |
| 27 | Paragon Estates CDP (southeast) | 33.7% |
| 28 | Lazy Acres CDP (south-southwest) | 33.4% |
| 29 | Valmont CDP (southeast) | 32.6% |
| 30 | Louisville city (south-southwest) | 32% |
| 31 | Superior town (north-northeast) | 32% |
| 32 | Superior town (northwest) | 31.5% |
| 33 | Lafayette city (northwest) | 30.4% |
| 34 | Lyons town (west-northwest 2) | 29.9% |
| 35 | Louisville city (north-northwest) | 29.6% |
| 36 | Boulder city (north-northwest) | 29.4% |
| 37 | Paragon Estates CDP (west-southwest) | 29.4% |
| 38 | Leyner CDP (south) | 29% |
| 39 | Lyons town (east 4) | 28.8% |
| 40 | St. Ann Highlands CDP (east-northeast) | 28.7% |
| 41 | Niwot CDP (northwest) | 28.3% |
| 42 | Lafayette city (north-northeast) | 28.2% |
| 43 | Lazy Acres CDP (northeast 1) | 28% |
| 44 | Niwot CDP (southwest) | 27.8% |
| 45 | Boulder city (southeast) | 27% |
| 46 | Eldorado Springs CDP (north-northeast) | 26.9% |
| 47 | Boulder city (north-northeast) | 25.6% |
| 48 | Lyons town (northeast) | 24.7% |
| 49 | Louisville city (east) | 24.4% |
| 50 | Lyons town (west-northwest 1) | 24.2% |
| 51 | Longmont city (south-southwest) | 23.8% |
| 52 | Longmont city (west-northwest) | 23.4% |
| 53 | Eldorado Springs CDP (southeast) | 23.1% |
| 54 | Boulder city (west-northwest) | 23% |
| 55 | Valmont CDP (west) | 22.7% |
| 56 | Paragon Estates CDP (west-northwest) | 21.9% |
| 57 | Eldorado Springs CDP (north-northwest) | 21.7% |
| 58 | Allenspark CDP | 21.5% |
| 59 | Niwot CDP (north-northeast) | 21.2% |
| 60 | Lyons town (east 5) | 21% |
| 61 | Boulder city (south) | 20.5% |
| 62 | Niwot CDP (east) | 20.3% |
| 63 | Boulder city (west) | 20% |
| 64 | Lafayette city (south) | 20% |
| 65 | Longmont city (east-southeast) | 19.5% |
| 66 | Longmont city (north-northwest) | 19.2% |
| 67 | Longmont city (northeast) | 19.2% |
| 68 | Lyons town (southwest) | 19.1% |
| 69 | Leyner CDP (north) | 18.4% |
| 70 | Longmont city (west-southwest) | 17.8% |
| 71 | Lyons town (east 2) | 17% |
| 72 | Boulder city (south-southeast) | 15% |
| 73 | Longmont city (southeast) | 15% |
| 74 | Lyons town (east 1) | 14% |
| 75 | Lafayette city (east) | 13.5% |
| 76 | Longmont city (east-northeast) | 12.3% |
| 77 | Lyons town (east 3) | 11% |
| 78 | Longmont city (northwest) | 10.3% |