ZIP code · Harrison · Montana · United States
ZIP code 59735 — Harrison
ZIP code 59735 serves Harrison, Montana.
- Postal code
- 59735Single source Value from one source, not cross-checked.
- City
- Harrison
- County
- Madison FIPS 30057
- State
- Montana
- Country
- United States
- Coordinates
- 45.7423, -111.8461 — precision precise (locality)
View on OpenStreetMap - Population
- 391 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 113.8 sq mi (294.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $73,000
- Per-capita income
- $32,355
- Median age
- 35.5
- Households
- 114
- Housing units
- 148
- Median home value
- $420,000
- Median gross rent
- $1,536 / month
- Congressional district
- MT-1 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 406Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 59735 with another ZIP · ZIPs within 25 miles · distance from 59735
Map of ZIP code 59735
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Dec (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 42 | 50 | 57 | 66 | 75 | 85 | 85 | 75 | 60 | 47 | 38 |
| Avg low °F | 24 | 25 | 30 | 36 | 43 | 50 | 57 | 56 | 49 | 39 | 30 | 24 |
| Precip in | 0.5 | 0.7 | 1.2 | 2.3 | 3.0 | 3.2 | 1.3 | 1.4 | 1.4 | 1.7 | 0.8 | 0.8 |
NOAA 1991–2020 climate normals from the nearest station: NORRIS MADISON PWR HOUSE (20.4 mi) · NOAA NCEI
Places in ZIP 59735
- 1 schools
- 1 restaurants & cafés
- 1 post offices
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page