Oslo Flag

Oslo

County:
Marshall County
County Seat:
No
Area (mi²):
0.371
State:
Minnesota

Oslo is a city located in Marshall County, Minnesota. Oslo has a 2025 population of 234. Oslo is currently declining at a rate of -0.85% annually and its population has decreased by -4.1% since the most recent census, which recorded a population of 244 in 2020.

The average household income in Oslo is $85,927 with a poverty rate of 1.35%.The median age in Oslo is 32.3 years: 32.9 years for males, and 25.9 years for females.

234
Total Population
631
Density (mi²)
-2 -0.85%
Growth

Oslo Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)