Oslo Flag

Oslo

County Seat:
No
Area (mi²):
35.614
State:
South Dakota

Oslo is located in Brookings County, South Dakota. Oslo has a 2025 population of 222. Oslo is currently growing at a rate of 0.45% annually and its population has increased by 5.71% since the most recent census, which recorded a population of 210 in 2020.

The average household income in Oslo is $68,481 with a poverty rate of 0%.The median age in Oslo is 28.9 years: 28.5 years for males, and 30.9 years for females.

222
Total Population
6
Density (mi²)
1 0.45%
Growth

Oslo Population

Oslo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Oslo includes 96.25% White, 3.75% other race, and smaller percentages for and multiracial populations.

Population by Race

White (96.3%)

Other race (3.8%)

Race
Population
Percentage (of total)
White28296.25%
Other race113.75%

Oslo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oslo's average per capita income is $45,682. Household income levels show a median of $72,500. The poverty rate stands at 0%.

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
Households$72,500$68,481
Families--
Married Families--
Non Families-$64,588

$45,682

Average Income

$72,500

Median Household Income

0%

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)