Osage Flag

Osage

County Seat:
No
Area (mi²):
36.659
State:
Missouri

Osage is located in St. Clair County, Missouri. Osage has a 2025 population of 291 . Osage is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Osage is $85,902 with a poverty rate of 8.79%. The median age in Osage is 44 years: 32.8 years for males, and 45.9 years for females. For every 100 females there are 127.3 males.

291
Total Population
8
Density (mi²)

Osage Population

Osage Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Osage includes 94.85% White, and smaller percentages for Native American and multiracial populations.

Population by Race

White (94.85%)

Two or more races (4.12%)

Native American (1.03%)

Race
Population
Percentage (of total)
White27694.85%
Two or more races124.12%
Native American31.03%

Osage Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Osage's average per capita income is $27,143. Household income levels show a median of $71,250. The poverty rate stands at 8.79%.

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$115,515$106,549
Married Families$115,221-
Households$71,250$85,902
Non Families$32,153$68,494

$27,143

Average Income

$71,250

Median Household Income

8.79%

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)