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 Jefferson County, Montana Zip Codes
Population
Greater Than 6000

Clancy-59634 (6,093)
Jefferson City-59638 (6,093)
Population
Between 6000 and 1000

Basin-59631 (2,088)
Boulder-59632 (2,082)
Whitehall-59759 (3,500)
Population
Less than 1000

Cardwell-59721 (456)