| 1 | Eldorado Springs CDP (southeast) | 48.5% |
| 2 | Longmont city (northeast) | 20.1% |
| 3 | Boulder city (east-northeast) | 19.6% |
| 4 | Superior town (north-northeast) | 19.6% |
| 5 | Lyons town (east 3) | 18.9% |
| 6 | Superior town (south) | 18.4% |
| 7 | Boulder city (southeast) | 17.2% |
| 8 | Leyner CDP (south) | 16.8% |
| 9 | Boulder city (southwest) | 16.3% |
| 10 | Lafayette city (east) | 14.5% |
| 11 | Lazy Acres CDP (northwest 1) | 14.4% |
| 12 | Lazy Acres CDP (northeast 1) | 14.1% |
| 13 | Paragon Estates CDP (east-southeast) | 14% |
| 14 | Lafayette city (south) | 13.4% |
| 15 | Lazy Acres CDP (south 1) | 13.4% |
| 16 | Paragon Estates CDP (west-northwest) | 12.9% |
| 17 | Superior town (northwest) | 12.8% |
| 18 | Niwot CDP (northwest) | 12.6% |
| 19 | Boulder city (south) | 12.4% |
| 20 | Lafayette city (north-northeast) | 12% |
| 21 | Niwot CDP (north-northeast) | 11.9% |
| 22 | Eldorado Springs CDP (west-northwest) | 11.7% |
| 23 | Boulder city (north-northeast) | 11.5% |
| 24 | Paragon Estates CDP (west) | 11.5% |
| 25 | Lyons town (east 2) | 11.4% |
| 26 | Boulder city (north-northwest) | 11.3% |
| 27 | Longmont city (north-northwest) | 11.3% |
| 28 | Longmont city (south-southwest) | 11.2% |
| 29 | Louisville city (east) | 11.2% |
| 30 | Gunbarrel CDP | 11.1% |
| 31 | Longmont city (southeast) | 10.9% |
| 32 | Eldorado Springs CDP (southwest) | 10.6% |
| 33 | Longmont city (east-northeast) | 10.6% |
| 34 | Lyons town (east 4) | 10.2% |
| 35 | Paragon Estates CDP (west-southwest) | 10.2% |
| 36 | Lyons town (east 5) | 10.1% |
| 37 | Niwot CDP (southwest) | 10.1% |
| 38 | Niwot CDP (east) | 9.9% |
| 39 | Boulder city (south-southeast) | 9.8% |
| 40 | Boulder city (west) | 9.8% |
| 41 | Lyons town (east 1) | 9.8% |
| 42 | Paragon Estates CDP (northwest) | 9.7% |
| 43 | Lyons town (southwest) | 9.3% |
| 44 | Louisville city (south-southwest) | 9.1% |
| 45 | Lazy Acres CDP (south-southwest) | 8.9% |
| 46 | Longmont city (west-northwest) | 8.8% |
| 47 | Lazy Acres CDP (east-southeast) | 8.6% |
| 48 | Eldorado Springs CDP (northeast) | 8.3% |
| 49 | Lazy Acres CDP (northwest 2) | 7.8% |
| 50 | Lazy Acres CDP (northeast 2) | 7.5% |
| 51 | Paragon Estates CDP (east) | 7.3% |
| 52 | Valmont CDP (west) | 7.3% |
| 53 | Eldorado Springs CDP (east) | 7.2% |
| 54 | Longmont city (east-southeast) | 7.2% |
| 55 | Boulder city (west-northwest) | 7.1% |
| 56 | Lafayette city (west-northwest) | 7.1% |
| 57 | Lazy Acres CDP (south 2) | 7% |
| 58 | Valmont CDP (northwest) | 6.4% |
| 59 | Eldora CDP | 6.2% |
| 60 | Louisville city (north-northwest) | 6.2% |
| 61 | Lyons town (west-southwest) | 6.2% |
| 62 | Longmont city (northwest) | 6.1% |
| 63 | Valmont CDP (southeast) | 6% |
| 64 | Allenspark CDP | 5.7% |
| 65 | Eldorado Springs CDP (north-northeast) | 5.5% |
| 66 | Eldorado Springs CDP (north-northwest) | 5.4% |
| 67 | Lyons town (northeast) | 5.4% |
| 68 | Longmont city (west-southwest) | 5.1% |
| 69 | Paragon Estates CDP (southeast) | 5.1% |
| 70 | Ward town | 4.8% |
| 71 | Niwot CDP (south-southwest) | 4.6% |
| 72 | Lyons town (west-northwest 2) | 4.4% |
| 73 | Leyner CDP (north) | 4.3% |
| 74 | St. Ann Highlands CDP (east-northeast) | 4.1% |
| 75 | Lyons town (west-northwest 1) | 4% |
| 76 | Louisville city (west) | 3.9% |
| 77 | Lafayette city (northwest) | 3.2% |
| 78 | St. Ann Highlands CDP (west-southwest) | 0.8% |