Madison County, Montana Zip Codes by Population (2024)

The most populated Zip Code in Madison County, Montana is 59729, located in Ennis. * 2024 populations estimated based on the latest ACS 5-year data.

Zip Code
City
Population
59729Ennis2,391
59716Big Sky2,144
59749Sheridan2,026
59754Twin Bridges1,065
59740McAllister435
59720Cameron368
59735Harrison297
59751Silver Star276
59710Alder243
59747Pony204
59745Norris156
59755Virginia City127