There are 11 zip codes in Lewis and Clark County, Montana. The most populated is 59601, located in Helena. * 2024 populations estimated based on the latest ACS 5-year data.
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 |