There are 23 zip codes in Washington County, Vermont. The most populated is 5641, located in Barre. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
564116,860Barre
560212,572Montpelier
56636,727Northfield
56764,776Waterbury
56772,357Waterbury Center
56732,284Waitsfield
56672,257Plainfield
56601,909Moretown
56741,736Warren
56511,546East Montpelier
56581,521Marshfield
56821,238Worcester
56541,229Graniteville
56471,214Cabot
5650902East Calais
5648569Calais
5649377East Barre
5640251Adamant
5681150Woodbury
567884Websterville
566636North Montpelier
567031South Barre
5664Northfield Falls
showing: 23 rows

Zip Codes in Washington County, Vermont by Population (2024)