ZIP code · Iron · Minnesota · United States

ZIP code 55751 — Iron

ZIP code 55751 serves Iron, Minnesota.

Postal code
55751
Single source Value from one source, not cross-checked.
City
Iron
County
St. Louis FIPS 27137
State
Minnesota
Country
United States
Coordinates
47.4115, -92.6195 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
1,364 (ZCTA, ACS 5-year)
Population density
23 / sq mi
Land area
60.2 sq mi (155.9 km²) (ZCTA, ACS 5-year)
Median household income
$72,969
Per-capita income
$36,026
Median age
53.4
Households
598
Housing units
686
Median home value
$182,900
Median gross rent
$783 / month
Congressional district
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 (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.

Climate — monthly normals

Warmest month Jul (avg high 77°F), coldest Jan (avg low -2°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F172235496372777666513522
Avg low °F-221428415156544533206
Precip in0.80.71.21.93.04.33.93.53.42.51.41.0

NOAA 1991–2020 climate normals from the nearest station: EVELETH WWTP (5.3 mi) · NOAA NCEI

Places in ZIP 55751

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