Lewis and Clark County, Montana Zip Codes

Zip Code	City	Population
59601	Helena	31,447
59602	Helena	29,846
59635	East Helena	7,815
59639	Lincoln	1,171
59410	Augusta	621
59648	Wolf Creek	335
59633	Canyon Creek	289
59625	Helena	155
59640	Marysville	67
59636	Fort Harrison	27
59623	Helena	0

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.