| zip codes by county | 0.93 | 0.9 | 3149 | 19 | 58 |
| zip codes by county excel | 1.05 | 1 | 6403 | 25 | 28 |
| zip codes by county state of florida | 0.4 | 0.5 | 1832 | 36 | 3 |
| zip codes by county sc | 1.59 | 1 | 6593 | 22 | 25 |
| zip codes by county ny | 1.66 | 0.6 | 631 | 22 | 86 |
| zip codes by county in texas | 1.7 | 0.7 | 5706 | 28 | 10 |
| zip codes by county oregon | 0.04 | 0.2 | 850 | 26 | 1 |
| zip codes by county montana | 0.33 | 0.4 | 362 | 27 | 49 |
| zip codes by county illinois | 1.55 | 0.2 | 4150 | 28 | 88 |
| zip codes by county michigan | 0.81 | 0.6 | 1137 | 28 | 22 |
| zip codes by county map | 1.32 | 0.5 | 7069 | 23 | 60 |
| zip codes by county in north carolina | 0.08 | 0.7 | 8467 | 37 | 23 |
| zip codes by county in tn | 0.64 | 0.3 | 1700 | 25 | 63 |
| zip codes by county in pennsylvania | 1.8 | 0.4 | 9677 | 35 | 30 |
| nc zip codes by county | 0.2 | 0.3 | 1446 | 22 | 8 |
| georgia zip codes by county | 0.23 | 0.1 | 9084 | 27 | 24 |
| pa zip codes by county | 1.37 | 0.4 | 7350 | 22 | 15 |
| florida zip codes by county | 0.36 | 0.1 | 1844 | 27 | 74 |
| maryland zip codes by county | 0.58 | 0.3 | 4205 | 28 | 39 |
| new york zip codes by county | 1.92 | 0.5 | 9090 | 28 | 3 |
| ohio zip codes by county | 1.45 | 0.5 | 3864 | 24 | 46 |
