There are 22 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
0564116,860Barre
0560212,572Montpelier
056636,727Northfield
056764,776Waterbury
056772,357Waterbury Center
056732,284Waitsfield
056672,257Plainfield
056601,909Moretown
056741,736Warren
056511,546East Montpelier
056581,521Marshfield
056821,238Worcester
056471,214Cabot
05669918Roxbury
05650902East Calais
05648569Calais
05640251Adamant
05681150Woodbury
0567884Websterville
0566636North Montpelier
0567031South Barre
056640Northfield Falls

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