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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Oslo, MN

Oslo, MN Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 56744StandardMarshall621218

Timezone(s):Central (GMT -06:00)
Population:330 (More Details)
Male Population:156
Female Population:174
Median Age:36
ZIP Codes:1
Area Codes:1
Total Area:1,813 square miles (county)
Land Area:1,775 square miles (county)
Water Area:38 square miles (county)

Oslo, MN Demographic Information *

Total population330
Male population156
Female population174
Median age (years)35.5
White Population275
Black Population0
Indian Population6
Asian Population1
Hawaiian Population0
Hispanic Population67
Median age (Male)36
Median age (Female)35.3
Total households134
Family households (families)82
Average household size2.46
Average family size3.21
Total housing units158
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],