| 1 | Lazy Acres CDP (northeast 1) | 12% |
| 2 | Eldorado Springs CDP (north-northeast) | 11.4% |
| 3 | Boulder city (southwest) | 10.1% |
| 4 | Boulder city (southeast) | 9.1% |
| 5 | Boulder city (east-northeast) | 9% |
| 6 | Eldorado Springs CDP (east) | 8.9% |
| 7 | Boulder city (north-northeast) | 8.6% |
| 8 | Boulder city (south-southeast) | 8.4% |
| 9 | Eldorado Springs CDP (north-northwest) | 7.5% |
| 10 | Paragon Estates CDP (west) | 7.5% |
| 11 | Lazy Acres CDP (northwest 1) | 7.4% |
| 12 | Paragon Estates CDP (west-northwest) | 7.2% |
| 13 | Eldorado Springs CDP (southwest) | 6.9% |
| 14 | Eldorado Springs CDP (west-northwest) | 6.2% |
| 15 | Niwot CDP (east) | 6.2% |
| 16 | St. Ann Highlands CDP (east-northeast) | 5.4% |
| 17 | Paragon Estates CDP (west-southwest) | 5% |
| 18 | Louisville city (east) | 4.8% |
| 19 | Lazy Acres CDP (south 1) | 4.4% |
| 20 | Lazy Acres CDP (south 2) | 4.4% |
| 21 | Eldorado Springs CDP (northeast) | 4.3% |
| 22 | Louisville city (south-southwest) | 3.9% |
| 23 | Longmont city (southeast) | 3.7% |
| 24 | Boulder city (west) | 3.4% |
| 25 | Boulder city (west-northwest) | 3.4% |
| 26 | Lyons town (east 5) | 3.3% |
| 27 | Louisville city (west) | 3.2% |
| 28 | Lafayette city (east) | 3.1% |
| 29 | Leyner CDP (north) | 2.9% |
| 30 | Valmont CDP (west) | 2.9% |
| 31 | Eldora CDP | 2.8% |
| 32 | Superior town (northwest) | 2.8% |
| 33 | Lafayette city (west-northwest) | 2.6% |
| 34 | Lazy Acres CDP (east-southeast) | 2.6% |
| 35 | Longmont city (south-southwest) | 2.6% |
| 36 | Longmont city (northwest) | 2.5% |
| 37 | Superior town (north-northeast) | 2.4% |
| 38 | Lyons town (east 1) | 2.3% |
| 39 | Lyons town (northeast) | 2.3% |
| 40 | Paragon Estates CDP (northwest) | 2.3% |
| 41 | Longmont city (north-northwest) | 2.2% |
| 42 | Longmont city (east-southeast) | 2.1% |
| 43 | Louisville city (north-northwest) | 2% |
| 44 | Superior town (south) | 2% |
| 45 | Boulder city (south) | 1.8% |
| 46 | Lazy Acres CDP (south-southwest) | 1.7% |
| 47 | Paragon Estates CDP (southeast) | 1.7% |
| 48 | Niwot CDP (southwest) | 1.6% |
| 49 | Paragon Estates CDP (east-southeast) | 1.6% |
| 50 | Lafayette city (northwest) | 1.5% |
| 51 | Lazy Acres CDP (northwest 2) | 1.5% |
| 52 | Niwot CDP (south-southwest) | 1.5% |
| 53 | Boulder city (north-northwest) | 1.4% |
| 54 | Eldorado Springs CDP (southeast) | 1.4% |
| 55 | Lyons town (east 4) | 1.4% |
| 56 | Valmont CDP (northwest) | 1.4% |
| 57 | Lafayette city (north-northeast) | 1.3% |
| 58 | Longmont city (west-southwest) | 1.3% |
| 59 | Lyons town (west-northwest 1) | 1.3% |
| 60 | Lyons town (southwest) | 1.2% |
| 61 | Longmont city (east-northeast) | 1.1% |
| 62 | Lyons town (east 3) | 1.1% |
| 63 | Lazy Acres CDP (northeast 2) | 0.9% |
| 64 | Valmont CDP (southeast) | 0.8% |
| 65 | Longmont city (northeast) | 0.7% |
| 66 | Niwot CDP (north-northeast) | 0.7% |
| 67 | Gunbarrel CDP | 0.6% |
| 68 | Leyner CDP (south) | 0.6% |
| 69 | Paragon Estates CDP (east) | 0.4% |
| 70 | St. Ann Highlands CDP (west-southwest) | 0.4% |
| 71 | Allenspark CDP | 0% |
| 72 | Lafayette city (south) | 0% |
| 73 | Longmont city (west-northwest) | 0% |
| 74 | Lyons town (east 2) | 0% |
| 75 | Lyons town (west-northwest 2) | 0% |
| 76 | Lyons town (west-southwest) | 0% |
| 77 | Niwot CDP (northwest) | 0% |
| 78 | Ward town | 0% |