Voting Systems by County
| County | System | Type of AVU* | Vendor | Software | Version†| Accessible Voting Unit | Voting Location |
|---|---|---|---|---|---|---|---|
| Adams | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Asotin | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
| Benton | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Chelan | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
| Clallam | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Clark | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Columbia | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Cowlitz | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Douglas | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Ferry | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Franklin | Digital Scan | Touchscreen | Dominion Voting Systems | Democracy Suite | 5.17 | ICX | Vote by Mail |
| Garfield | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Grant | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Grays Harbor | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Island | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
| Jefferson | Digital Scan | Touchscreen | Election Systems and Software | EVS | 6.4.0.0 | ExpressVote | Vote by Mail |
| King | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Kitsap | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
| Kittitas | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Klickitat | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
| Lewis | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Lincoln | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Mason | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Okanogan | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Pacific | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Pend Oreille | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Pierce | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| San Juan | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Skagit | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.7 | Touch Writer | Vote by Mail |
| Skamania | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Snohomish | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Spokane | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Stevens | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
| Thurston | Digital Scan | Touchscreen | Election Systems and Software | EVS | 6.4.0.0 | ExpressVote | Vote by Mail |
| Wahkiakum | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Walla Walla | Digital Scan | Touchscreen | Election Systems and Software | EVS | 6.4.0.0 | ExpressVote | Vote by Mail |
| Whatcom | Digital Scan | Touchscreen | Clear Ballot | ClearVote | 2.3 | ClearAccess | Vote by Mail |
| Whitman | Digital Scan | Touchscreen | Election Systems and Software | EVS | 6.4.0.0 | ExpressVote | Vote by Mail |
| Yakima | Digital Scan | Touchscreen | Hart InterCivic | Verity | 2.5 | Touch Writer | Vote by Mail |
*AVU (Accessible Voting Units) all produce a voter-verifiable paper ballot as required by law.
†Voting system version numbers reflect the system used in the 2024 Presidential Primary.