Jefferson City, MT ZIP code
The ZIP code for Jefferson City, Montana is 59638. It is in Jefferson County.
- Population in these ZIPs
- 769
- Avg. median income
- $126,700population-weighted
- Typical home value
- $563,000population-weighted
- Metro area
- Helena, MT
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Jefferson City, MT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 59638 | 769 | $126,723 | $563,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Jefferson City
- Clancy 6 mi
- Boulder 13 mi
- East Helena 17 mi
- Helena 18 mi
- Basin 18 mi
- Fort Harrison 18 mi
- Winston 19 mi
- Elliston 22 mi
- Toston 26 mi
- Townsend 28 mi
- Marysville 33 mi
- Deer Lodge 35 mi
Frequently asked questions
What is the ZIP code for Jefferson City, MT?
The ZIP code for Jefferson City, MT is 59638.
What county is Jefferson City, Montana in?
Jefferson City ZIP codes are in Jefferson County.