There are 46 zip codes in St. Louis County, Minnesota. The most populated is 55811, located in Duluth. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5581127,832Duluth
5580317,734Duluth
5574616,963Hibbing
5580416,118Duluth
5581211,391Duluth
5580510,057Duluth
557929,983Virginia
558079,496Duluth
558069,269Duluth
558108,026Duluth
557346,437Eveleth
557195,678Chisholm
558085,312Duluth
557315,297Ely
557793,933Saginaw
557053,235Aurora
557413,112Gilbert
558022,692Duluth
557682,649Mountain Iron
557502,100Hoyt Lakes
557231,925Cook
557901,871Tower
557061,716Babbitt
557711,601Orr
557101,470Britt
557321,455Embarrass
557511,343Iron
557361,251Floodwood
557131,081Buhl
55703898Angora
55781822Side Lake
55724784Cotton
55708749Biwabik
55765735Meadowlands
55738603Forbes
55711560Brookston
55763464Makinen
55702458Alborn
55782431Soudan
55814380Duluth
55602321Brimson
55717252Canyon
55758148Kinney
55796112Winton
55772103Nett Lake
5572599Crane Lake
showing: 46 rows

Zip Codes in St. Louis County, Minnesota by Population (2024)