ZIP code · Marysville · Montana · United States

ZIP code 59640 — Marysville

ZIP code 59640 serves Marysville, Montana.

Postal code: 59640
Single source Value from one source, not cross-checked.
City: Marysville
County: Lewis and Clark FIPS 30049
State: Montana
Country: United States
Coordinates: 46.7499, -112.2994 — precision precise (locality)
View on OpenStreetMap
Population: 105 (ZCTA, ACS 5-year)
Population density: 5 / sq mi
Land area: 20.2 sq mi (52.3 km²) (ZCTA, ACS 5-year)
Median household income: $95,250
Per-capita income: $54,866
Median age: 61.4
Households: 53
Housing units: 71
Median home value: $275,000
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 (from the nearest rate centre)
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.

Tools: compare 59640 with another ZIP · ZIPs within 25 miles · distance from 59640

Climate — monthly normals

Warmest month Jul (avg high 78°F), coldest Jan (avg low 13°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	30	32	42	50	60	68	78	78	67	51	37	29
Avg low °F	13	13	19	26	35	42	49	47	39	30	20	13
Precip in	0.8	1.0	0.8	1.7	2.3	2.7	1.2	1.1	1.3	1.3	1.3	0.9

NOAA 1991–2020 climate normals from the nearest station: AUSTIN 1 W (7.4 mi) · NOAA NCEI

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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

Map of ZIP code 59640

Climate — monthly normals

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