| County | Customers Tracked | Customers Out | |
|---|---|---|---|
| Chelan | 0 | 0 | |
| Grant | 0 | 0 | |
| Grays Harbor | 35 | 0 | |
| Island | 121,852 | 0 | |
| Jefferson | 2 | 0 | |
| King | 595,543 | 8 | |
| Kitsap | 106,448 | 5 | |
| Kittitas | 23,136 | 1 | |
| Klickitat | 0 | 0 | |
| Lewis | 241 | 0 | |
| Mason | 782 | 0 | |
| Okanogan | 0 | 0 | |
| Pend Oreille | 0 | 0 | |
| Pierce | 138,988 | 0 | |
| San Juan | 0 | 0 | |
| Skagit | 39,599 | 3 | |
| Snohomish | 9 | 0 | |
| Thurston | 74,128 | 1 | |
| Unknown | 93,507 | 0 | |
| Walla Walla | 0 | 0 | |
| Whatcom | 73,987 | 0 | |
| Yakima | 0 | 0 |
