ZIP code · Highwood · Montana · United States

ZIP code 59450 — Highwood

ZIP code 59450 serves Highwood, Montana.

Postal code
59450
Single source Value from one source, not cross-checked.
City
Highwood
County
Chouteau FIPS 30015
State
Montana
Country
United States
Coordinates
47.5816, -110.7887 — precision precise (locality)
View on OpenStreetMap
Population
568 (ZCTA, ACS 5-year)
Population density
2 / sq mi
Land area
371.2 sq mi (961.5 km²) (ZCTA, ACS 5-year)
Median household income
$80,417
Per-capita income
$36,212
Median age
37.3
Households
211
Housing units
275
Median home value
$247,600
Median gross rent
$1,339 / month
Congressional district
MT-2 (119th Congress)
USDA hardiness zone
4b (-25 to -20 °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
406
Telephone 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.

Climate — monthly normals

Warmest month Jul (avg high 85°F), coldest Jan (avg low 17°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F373747586675858473584636
Avg low °F171825334249555546352618
Precip in0.60.50.61.52.53.01.71.21.51.00.60.5

NOAA 1991–2020 climate normals from the nearest station: HIGHWOOD 7 NE (7.0 mi) · NOAA NCEI

Places in ZIP 59450

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