| County | Customers Tracked | Customers Out | |
|---|---|---|---|
| Chelan | 0 | 0 | |
| Grant | 0 | 0 | |
| Grays Harbor | 35 | 0 | |
| Island | 121,852 | 852 | |
| Jefferson | 1 | 0 | |
| King | 591,828 | 29,841 | |
| Kitsap | 105,237 | 63,600 | |
| Kittitas | 23,136 | 0 | |
| Klickitat | 0 | 0 | |
| Lewis | 241 | 0 | |
| Mason | 0 | 0 | |
| Okanogan | 0 | 0 | |
| Pend Oreille | 0 | 0 | |
| Pierce | 138,987 | 1,163 | |
| San Juan | 0 | 0 | |
| Skagit | 39,599 | 2,690 | |
| Snohomish | 9 | 1 | |
| Thurston | 74,125 | 9,841 | |
| Unknown | 93,507 | 0 | |
| Walla Walla | 0 | 0 | |
| Whatcom | 73,942 | 17 | |
| Yakima | 0 | 0 |
