| 1 | Longmont city (northeast) | 48.8% |
| 2 | Longmont city (east-northeast) | 47.2% |
| 3 | Lyons town (east 3) | 46% |
| 4 | Lyons town (east 2) | 41.7% |
| 5 | Lafayette city (east) | 37.3% |
| 6 | Longmont city (south-southwest) | 35.3% |
| 7 | Longmont city (southeast) | 31.2% |
| 8 | Longmont city (east-southeast) | 28.8% |
| 9 | Lyons town (east 1) | 27.8% |
| 10 | Lazy Acres CDP (northeast 1) | 26.7% |
| 11 | Boulder city (north-northeast) | 26% |
| 12 | Lafayette city (south) | 25.8% |
| 13 | Boulder city (north-northwest) | 22.6% |
| 14 | Paragon Estates CDP (east-southeast) | 20.7% |
| 15 | Lyons town (east 5) | 20.2% |
| 16 | Niwot CDP (east) | 18.6% |
| 17 | Boulder city (west-northwest) | 18.5% |
| 18 | Lyons town (east 4) | 18.5% |
| 19 | Longmont city (north-northwest) | 17.2% |
| 20 | Lyons town (northeast) | 17.1% |
| 21 | Boulder city (south) | 16.5% |
| 22 | Lafayette city (northwest) | 16.2% |
| 23 | Lazy Acres CDP (south 1) | 14.9% |
| 24 | Paragon Estates CDP (west-northwest) | 14.9% |
| 25 | Eldorado Springs CDP (north-northeast) | 14.8% |
| 26 | Lazy Acres CDP (northwest 1) | 14.2% |
| 27 | Eldorado Springs CDP (east) | 14% |
| 28 | Longmont city (west-northwest) | 13.8% |
| 29 | Lyons town (southwest) | 13.8% |
| 30 | Valmont CDP (west) | 13.7% |
| 31 | Lafayette city (north-northeast) | 13.1% |
| 32 | Longmont city (northwest) | 12.7% |
| 33 | Louisville city (east) | 12.6% |
| 34 | Boulder city (south-southeast) | 12.3% |
| 35 | Longmont city (west-southwest) | 12.3% |
| 36 | Eldorado Springs CDP (southeast) | 11.6% |
| 37 | Leyner CDP (north) | 11.6% |
| 38 | Lyons town (west-northwest 1) | 11.4% |
| 39 | Louisville city (west) | 10.4% |
| 40 | Superior town (north-northeast) | 10.4% |
| 41 | Louisville city (north-northwest) | 9.8% |
| 42 | Boulder city (east-northeast) | 9.4% |
| 43 | Paragon Estates CDP (west) | 9.4% |
| 44 | Niwot CDP (northwest) | 9.2% |
| 45 | Boulder city (southwest) | 9.1% |
| 46 | Leyner CDP (south) | 8.7% |
| 47 | Niwot CDP (north-northeast) | 8.3% |
| 48 | Superior town (south) | 8% |
| 49 | Lazy Acres CDP (northwest 2) | 7.5% |
| 50 | Eldora CDP | 7.3% |
| 51 | Lazy Acres CDP (south 2) | 6.9% |
| 52 | Eldorado Springs CDP (north-northwest) | 6.7% |
| 53 | Lyons town (west-northwest 2) | 6.7% |
| 54 | Valmont CDP (southeast) | 6.7% |
| 55 | Superior town (northwest) | 6.5% |
| 56 | Boulder city (west) | 6.3% |
| 57 | Paragon Estates CDP (east) | 6.2% |
| 58 | Niwot CDP (southwest) | 6% |
| 59 | Boulder city (southeast) | 5.9% |
| 60 | Lafayette city (west-northwest) | 5.9% |
| 61 | St. Ann Highlands CDP (east-northeast) | 5.8% |
| 62 | Allenspark CDP | 5.7% |
| 63 | Paragon Estates CDP (northwest) | 5.7% |
| 64 | Eldorado Springs CDP (west-northwest) | 5.6% |
| 65 | Lazy Acres CDP (northeast 2) | 5.5% |
| 66 | Valmont CDP (northwest) | 5.5% |
| 67 | Lazy Acres CDP (east-southeast) | 5.3% |
| 68 | Ward town | 5.3% |
| 69 | Niwot CDP (south-southwest) | 5.2% |
| 70 | Paragon Estates CDP (southeast) | 5.1% |
| 71 | Lyons town (west-southwest) | 3.9% |
| 72 | Gunbarrel CDP | 3.7% |
| 73 | Paragon Estates CDP (west-southwest) | 3.5% |
| 74 | Lazy Acres CDP (south-southwest) | 2.8% |
| 75 | Eldorado Springs CDP (southwest) | 2.2% |
| 76 | Louisville city (south-southwest) | 1.9% |
| 77 | St. Ann Highlands CDP (west-southwest) | 1.5% |
| 78 | Eldorado Springs CDP (northeast) | 1% |