Electric Vehicle Population Size History By County

This shows the number of vehicles that were registered by Washington State Department of Licensing (DOL) each month. The data is separated by county for passenger vehicles and trucks.

DOL integrates National Highway Traffic Safety Administration (NHTSA) data and the Environmental Protection Agency (EPA) fuel efficiency ratings with DOL titling and registration data to create this information.
Organization: State of Washington
Organization URL: https://catalog.data.gov/organization/washington
Last updated: 2026-03-11
Tags: battery electric, bev, clean energy, department of licensing, dol, dol_open_data, electric, hybrid, phev, plug-in, population growth, rao_ev, rao_open_data, rao_veh, vehicle