| 1 | Eldorado Springs CDP (north-northwest) | 65% |
| 2 | Boulder city (south) | 60.4% |
| 3 | Boulder city (south-southeast) | 50.6% |
| 4 | Boulder city (west) | 48.4% |
| 5 | Boulder city (southeast) | 46.7% |
| 6 | Lazy Acres CDP (south 2) | 36.8% |
| 7 | Boulder city (southwest) | 35.2% |
| 8 | Boulder city (west-northwest) | 28.5% |
| 9 | Eldorado Springs CDP (north-northeast) | 26.4% |
| 10 | St. Ann Highlands CDP (east-northeast) | 22.2% |
| 11 | Longmont city (west-southwest) | 21.4% |
| 12 | Boulder city (north-northwest) | 19.4% |
| 13 | Boulder city (east-northeast) | 18.3% |
| 14 | Boulder city (north-northeast) | 16.8% |
| 15 | Paragon Estates CDP (west) | 16.4% |
| 16 | Gunbarrel CDP | 15.4% |
| 17 | Lafayette city (east) | 14.4% |
| 18 | Paragon Estates CDP (west-northwest) | 14.2% |
| 19 | Eldorado Springs CDP (east) | 14.1% |
| 20 | Longmont city (east-northeast) | 14.1% |
| 21 | Eldora CDP | 13.2% |
| 22 | Valmont CDP (northwest) | 13% |
| 23 | Longmont city (southeast) | 12.4% |
| 24 | Longmont city (northeast) | 12.3% |
| 25 | Longmont city (north-northwest) | 10.9% |
| 26 | Longmont city (northwest) | 9.9% |
| 27 | Lyons town (west-northwest 1) | 9.9% |
| 28 | Longmont city (east-southeast) | 9.8% |
| 29 | Lazy Acres CDP (northeast 1) | 9.7% |
| 30 | Niwot CDP (east) | 9.7% |
| 31 | Lyons town (northeast) | 9.6% |
| 32 | Eldorado Springs CDP (southwest) | 9.4% |
| 33 | Longmont city (south-southwest) | 8.8% |
| 34 | Lazy Acres CDP (south 1) | 8.5% |
| 35 | Ward town | 8.2% |
| 36 | Eldorado Springs CDP (west-northwest) | 8.1% |
| 37 | Lyons town (southwest) | 8% |
| 38 | Lafayette city (south) | 7.9% |
| 39 | Lazy Acres CDP (south-southwest) | 7.6% |
| 40 | Lyons town (east 3) | 7.6% |
| 41 | Valmont CDP (west) | 7.6% |
| 42 | Louisville city (west) | 7.3% |
| 43 | Lyons town (east 2) | 7.3% |
| 44 | Lazy Acres CDP (northwest 2) | 7% |
| 45 | Lyons town (west-northwest 2) | 6.6% |
| 46 | Niwot CDP (south-southwest) | 6.5% |
| 47 | Eldorado Springs CDP (southeast) | 6.2% |
| 48 | Paragon Estates CDP (east) | 6.2% |
| 49 | Paragon Estates CDP (southeast) | 6.2% |
| 50 | Leyner CDP (south) | 6% |
| 51 | Lafayette city (northwest) | 5.9% |
| 52 | Paragon Estates CDP (northwest) | 5.8% |
| 53 | Paragon Estates CDP (west-southwest) | 5.8% |
| 54 | Niwot CDP (north-northeast) | 5.7% |
| 55 | Lazy Acres CDP (northeast 2) | 5.6% |
| 56 | Lyons town (east 1) | 5.5% |
| 57 | Eldorado Springs CDP (northeast) | 4.9% |
| 58 | Lafayette city (west-northwest) | 4.9% |
| 59 | Lazy Acres CDP (northwest 1) | 4.6% |
| 60 | Lazy Acres CDP (east-southeast) | 4.5% |
| 61 | Louisville city (east) | 4.5% |
| 62 | Longmont city (west-northwest) | 4.4% |
| 63 | Superior town (north-northeast) | 4.4% |
| 64 | Allenspark CDP | 4% |
| 65 | Louisville city (north-northwest) | 4% |
| 66 | St. Ann Highlands CDP (west-southwest) | 3.8% |
| 67 | Lyons town (east 5) | 3.7% |
| 68 | Lafayette city (north-northeast) | 3.5% |
| 69 | Leyner CDP (north) | 3% |
| 70 | Louisville city (south-southwest) | 2.6% |
| 71 | Superior town (south) | 2.6% |
| 72 | Niwot CDP (southwest) | 2.3% |
| 73 | Niwot CDP (northwest) | 2.2% |
| 74 | Lyons town (west-southwest) | 2.1% |
| 75 | Paragon Estates CDP (east-southeast) | 2% |
| 76 | Lyons town (east 4) | 1.8% |
| 77 | Superior town (northwest) | 0.9% |
| 78 | Valmont CDP (southeast) | 0.4% |