Census place · GEOID 3064525 · Musselshell County
Roundup, MT ZIP codes
1 ZIP/ZCTA intersecting this Census place in Musselshell County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Roundup (GEOID 3064525). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 4,590 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Roundup, MT

ZIP/ZCTA overlap with Roundup
Population overlap
Share of each ZIP/ZCTA’s population located within Roundup, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 5907242.0%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Roundup
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59072 | Roundup | Musselshell County | 4,590 | $59,785 |
USPS associates these ZIPs with Roundup
These codes list Roundup as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59073 | Roundup | Musselshell County | — | — |