| Official Name: | Dupuyer, Montana |
| Pushpin Map: | Montana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Pondera |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 12.05 |
| Area Land Km2: | 12.04 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 4.65 |
| Area Land Sq Mi: | 4.65 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 93 |
| Population Density Km2: | 7.73 |
| Population Density Sq Mi: | 20.01 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 4117 |
| Coordinates: | 48.1925°N -112.4994°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59432 |
| Area Code: | 406 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 770915 |
Dupuyer [2] is a census-designated place and unincorporated community in Pondera County, Montana, United States. Its population was 86 as of the 2010 census.[3] The community is located along U.S. Route 89 and Dupuyer Creek. Dupuyer has a post office with ZIP code 59432.[4] [5]
The town takes its name from Dupuyer Creek, which borders the town.[6] It began as a stagecoach stop in 1877 on the Fort Benton–Fort Browning road.
According to the Köppen Climate Classification system, Dupuyer has a semi-arid climate, abbreviated "BSk" on climate maps.[7]