Highest electric vehicle ownership, US counties
US counties ranked by the share of households with at least one all-electric or plug-in hybrid vehicle in 2025. The American Community Survey asked this for the first time in 2025, and its 1-year estimates cover only places with 65,000 or more residents. Santa Clara County, California leads at 24.1%. 852 counties qualify in total. California carries 20 of the top 25 entries. The median across all 852 is 3.5%.
Flip the list · Lowest electric vehicle ownership, US counties →UPDATED 2026-10-29 · DATA: US CENSUS BUREAU ACS 1-YEAR ESTIMATES
Frequently asked
Which county has the highest households with an electric vehicle?
Santa Clara County, California ranks #1 with 24.1% (2025 American Community Survey 1-year estimates).
What are the top 5 counties by households with an electric vehicle?
Santa Clara County, California, Marin County, California, San Mateo County, California, Alameda County, California, Contra Costa County, California.
How many counties are in this ranking?
852 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 ACS 1-year data, which the Census Bureau publishes only for places with 65,000 or more residents.
How is households with an electric vehicle measured?
Share of households with at least one all-electric or plug-in hybrid vehicle available (ACS 1-year B25147). Source: US Census Bureau, American Community Survey 1-year estimates (2025).