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 2026 population of 238. Oslo is currently declining at a rate of 0% annually and its population has decreased by -1.24% since the most recent census, which recorded a population of 241 in 2020.

The median household income in Oslo is $63,750 with a poverty rate of 5.77%. The median age in Oslo is 33.1 years: 32.9 years for males, and 36 years for females. For every 100 females there are 176.6 males.

238
Total Population
642
Density (mi²)

Oslo Population

Oslo Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202623800%
2025238-1-0.42%
202423941.7%
2023235-2-0.84%
2022237-3-1.25%
2021240-1-0.41%
202024100%
2019324-1-0.31%
201832500%
201732500%
2016325-1-0.31%
2015326-1-0.31%
201432700%
2013327-4-1.21%
201233100%
201133110.3%
201033000%

Median Age

Overall: 33.1 years
Female: 36 years
Male: 32.9 years

Oslo Adults

There are 178 adults, (23 of whom are seniors) in Oslo.

Sex Ratio

Female: 94 (36.2%)
Male: 166 (63.8%)

Demographics

The racial composition of Oslo includes 69.62% White, 8.08% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18169.62%
Two or more races5822.31%
Other race218.08%
Race
Population ↓
Percentage (of total)
Two or more races5521.15%
Other race218.08%
White155.77%
Race
Population ↓
Percentage (of total)
White16663.85%
Two or more races31.15%

Oslo Marital Status

Economics and Income Statistics

Oslo 's average per capita income is $44,375. Household income levels show a median of $63,750. The poverty rate stands at 5.77%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$95,833$91,535
Married Families$76,250-
Households$63,750$77,916
Non Families$50,313$61,239

$44,375

Average Income

$63,750

Median Household Income

5.77%

Poverty Rate

Nearby Cities

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)