| County | Customers Tracked | Customers Out | |
|---|---|---|---|
| Chelan | 0 | 0 | |
| Grant | 0 | 0 | |
| Grays Harbor | 0 | 0 | |
| Island | 121,852 | 0 | |
| Jefferson | 0 | 0 | |
| King | 583,768 | 148 | |
| Kitsap | 92,444 | 0 | |
| Kittitas | 23,136 | 0 | |
| Klickitat | 0 | 0 | |
| Lewis | 0 | 0 | |
| Mason | 0 | 0 | |
| Okanogan | 0 | 0 | |
| Pend Oreille | 0 | 0 | |
| Pierce | 136,236 | 0 | |
| San Juan | 0 | 0 | |
| Skagit | 39,598 | 78 | |
| Snohomish | 9 | 0 | |
| Thurston | 73,179 | 0 | |
| Unknown | 93,507 | 0 | |
| Walla Walla | 0 | 0 | |
| Whatcom | 69,886 | 0 | |
| Yakima | 0 | 0 |
