ZIP code · Fosston · Minnesota · United States

ZIP code 56542 — Fosston

ZIP code 56542 serves Fosston, Minnesota.

Postal code
56542
Single source Value from one source, not cross-checked.
City
Fosston
County
Polk FIPS 27119
State
Minnesota
Country
United States
Coordinates
47.5816, -95.7431 — precision precise (locality)
View on OpenStreetMap
Population
2,435 (ZCTA, ACS 5-year)
Population density
14 / sq mi
Land area
180.2 sq mi (466.6 km²) (ZCTA, ACS 5-year)
Median household income
$57,750
Per-capita income
$31,929
Median age
45
Households
1,009
Housing units
1,181
Median home value
$176,800
Median gross rent
$800 / month
Congressional districts
MN-7 (also MN-8) (119th Congress)
USDA hardiness zone
3b (-35 to -30 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
218
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 78°F), coldest Jan (avg low -5°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F162135516674787769533622
Avg low °F-5-21328415255534532184
Precip in0.50.50.91.83.04.63.93.53.02.31.60.8

NOAA 1991–2020 climate normals from the nearest station: FOSSTON 1 E (1.5 mi) · NOAA NCEI

Places in ZIP 56542

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