Helena, MT ZIP codes
Helena, Montana has 8 ZIP codes, including 4 PO Box ZIPs. They are in Lewis and Clark County.
- Population in these ZIPs
- 63,145
- Avg. median income
- $82,500population-weighted
- Typical home value
- $484,200population-weighted
- Metro area
- Helena, MT
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Helena, MT ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 59601 | Lewis and Clark County | 31,728 | $72,290 | $439,900 |
| 59602 | Lewis and Clark County | 30,754 | $92,985 | $530,000 |
| 59604 PO Box | Lewis and Clark County | — | — | — |
| 59620 PO Box | Lewis and Clark County | — | — | — |
| 59623 | Lewis and Clark County | 0 | — | — |
| 59624 PO Box | Lewis and Clark County | — | — | — |
| 59625 | Lewis and Clark County | 663 | — | — |
| 59626 PO Box | Lewis and Clark County | — | — | — |
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 Helena
- Fort Harrison 4 mi
- East Helena 11 mi
- Clancy 12 mi
- Jefferson City 18 mi
- Marysville 19 mi
- Elliston 20 mi
- Canyon Creek 20 mi
- Winston 21 mi
- Basin 28 mi
- Avon 28 mi
- Boulder 31 mi
- Townsend 31 mi
Frequently asked questions
What is the ZIP code for Helena, MT?
Helena, MT has 8 ZIP codes: 59601, 59602, 59604, 59620, 59623, 59624, 59625 and 59626.
What county is Helena, Montana in?
Helena ZIP codes are in Lewis and Clark County.
Which Helena ZIP codes are PO Boxes?
59604, 59620, 59624 and 59626 are PO Box or single-organization ZIP codes; they have no residential delivery area.