County · GEOID 30043
Jefferson County, MT ZIP codes
9 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Jefferson County (GEOID 30043). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 60,446 (9 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Jefferson County
Population overlap
Share of each ZIP/ZCTA’s population located within Jefferson County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 59631100.0%
Directory county
- 59632100.0%
Directory county
- 59634100.0%
Directory county
- 596352.2%
- 59638100.0%
Directory county
- 597010.4%
- 5972154.1%
Directory county
- 597521.7%
- 5975988.7%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Jefferson County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 59631 | Basin | Jefferson County | 367 | $49,375 |
| 59632 | Boulder | Jefferson County | 2,535 | $62,770 |
| 59634 | Clancy | Jefferson County | 5,238 | $120,881 |
| 59635 | East Helena | Lewis and Clark County | 8,382 | $73,664 |
| 59638 | Jefferson City | Jefferson County | 511 | $73,375 |
| 59701 | Butte | Silver Bow County | 34,245 | $56,799 |
| 59721 | Cardwell | Jefferson County | 519 | $86,932 |
| 59752 | Three Forks | Gallatin County | 4,982 | $82,228 |
| 59759 | Whitehall | Jefferson County | 3,667 | $55,237 |