UPDATE 10 February 2024 — In Washington, 6,517,326 people or 86% of the state has received at least one dose. Overall, 5,814,062 people or 76% of Washington's population are considered fully vaccinated. Additionally, people or <1% of Washington's population have recieved a booster dose. https://usafacts.org/visualizations/covid-vaccine-tracker-states/state/washington/
UPDATE 20 August 2022 — In Washington, 5,037,448 people or 66% of the state has received at least one dose. Overall, 4,497,187 people or 59% of Washington's population has been fully vaccinated.