| 1 | Allenspark CDP | 55.1% |
| 2 | Ward town | 21.1% |
| 3 | St. Ann Highlands CDP (west-southwest) | 20.2% |
| 4 | Eldora CDP | 19.3% |
| 5 | Boulder city (east-northeast) | 13.8% |
| 6 | Boulder city (south) | 12.2% |
| 7 | Boulder city (southwest) | 11.9% |
| 8 | Eldorado Springs CDP (southeast) | 11.6% |
| 9 | Eldorado Springs CDP (north-northwest) | 11.3% |
| 10 | St. Ann Highlands CDP (east-northeast) | 10.3% |
| 11 | Boulder city (north-northeast) | 9.8% |
| 12 | Lazy Acres CDP (south 2) | 9.7% |
| 13 | Paragon Estates CDP (west-northwest) | 9.7% |
| 14 | Longmont city (west-southwest) | 9.1% |
| 15 | Lyons town (east 2) | 8.6% |
| 16 | Paragon Estates CDP (northwest) | 8.3% |
| 17 | Paragon Estates CDP (southeast) | 8% |
| 18 | Lazy Acres CDP (south-southwest) | 7.7% |
| 19 | Eldorado Springs CDP (southwest) | 7.6% |
| 20 | Boulder city (west-northwest) | 6.8% |
| 21 | Niwot CDP (northwest) | 6.8% |
| 22 | Lyons town (west-northwest 2) | 6.7% |
| 23 | Niwot CDP (east) | 6.6% |
| 24 | Eldorado Springs CDP (west-northwest) | 6.5% |
| 25 | Boulder city (southeast) | 6.1% |
| 26 | Superior town (north-northeast) | 5.9% |
| 27 | Lyons town (west-southwest) | 5.7% |
| 28 | Lazy Acres CDP (northwest 2) | 5.6% |
| 29 | Paragon Estates CDP (east) | 5.5% |
| 30 | Lafayette city (west-northwest) | 5.3% |
| 31 | Eldorado Springs CDP (northeast) | 5% |
| 32 | Niwot CDP (north-northeast) | 4.8% |
| 33 | Lafayette city (northwest) | 4.7% |
| 34 | Lazy Acres CDP (northwest 1) | 4.5% |
| 35 | Boulder city (north-northwest) | 4.3% |
| 36 | Paragon Estates CDP (west) | 4.3% |
| 37 | Lafayette city (east) | 4.2% |
| 38 | Eldorado Springs CDP (north-northeast) | 4.1% |
| 39 | Longmont city (southeast) | 4.1% |
| 40 | Lazy Acres CDP (northeast 1) | 4% |
| 41 | Longmont city (northeast) | 4% |
| 42 | Louisville city (west) | 4% |
| 43 | Valmont CDP (west) | 3.8% |
| 44 | Longmont city (north-northwest) | 3.6% |
| 45 | Leyner CDP (south) | 3.5% |
| 46 | Superior town (south) | 3.4% |
| 47 | Longmont city (west-northwest) | 3.3% |
| 48 | Lyons town (west-northwest 1) | 3.2% |
| 49 | Superior town (northwest) | 3.2% |
| 50 | Valmont CDP (northwest) | 2.6% |
| 51 | Longmont city (east-southeast) | 2.5% |
| 52 | Lyons town (east 4) | 2.2% |
| 53 | Longmont city (south-southwest) | 2.1% |
| 54 | Lafayette city (north-northeast) | 1.9% |
| 55 | Lyons town (east 3) | 1.8% |
| 56 | Lazy Acres CDP (east-southeast) | 1.7% |
| 57 | Valmont CDP (southeast) | 1.7% |
| 58 | Boulder city (south-southeast) | 1.4% |
| 59 | Louisville city (north-northwest) | 1.4% |
| 60 | Lazy Acres CDP (south 1) | 1.2% |
| 61 | Lyons town (southwest) | 0.9% |
| 62 | Paragon Estates CDP (east-southeast) | 0.9% |
| 63 | Paragon Estates CDP (west-southwest) | 0.8% |
| 64 | Boulder city (west) | 0.7% |
| 65 | Gunbarrel CDP | 0.7% |
| 66 | Niwot CDP (southwest) | 0.7% |
| 67 | Louisville city (east) | 0.5% |
| 68 | Lafayette city (south) | 0.2% |
| 69 | Eldorado Springs CDP (east) | 0% |
| 70 | Lazy Acres CDP (northeast 2) | 0% |
| 71 | Leyner CDP (north) | 0% |
| 72 | Longmont city (east-northeast) | 0% |
| 73 | Longmont city (northwest) | 0% |
| 74 | Louisville city (south-southwest) | 0% |
| 75 | Lyons town (east 1) | 0% |
| 76 | Lyons town (east 5) | 0% |
| 77 | Lyons town (northeast) | 0% |
| 78 | Niwot CDP (south-southwest) | 0% |