Osage Flag

Osage

County:
Mitchell County
County Seat:
Yes
Area (mi²):
2.242
State:
Iowa

Osage is a city located in Mitchell County, Iowa. Osage has a 2025 population of 3,471. It is also the county seat of Mitchell CountyOsage is currently declining at a rate of -0.94% annually and its population has decreased by -4.51% since the most recent census, which recorded a population of 3,635 in 2020.

The average household income in Osage is $83,428 with a poverty rate of 6.81%. The median age in Osage is 43.9 years: 36.9 years for males, and 46.8 years for females.

3.5K
Total Population
1,548
Density (mi²)
-33 -0.94%
Growth

Osage Population

Osage Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Osage includes 95.16% White, and smaller percentages for Asian, other race, Black or African American, Two or more races, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Other race

Black or African American

Two or more races

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White3,40595.16%
Asian531.48%
Other race501.4%
Black or African American350.98%
Two or more races230.64%
Native American120.34%
Native Hawaiian or Pacific Islander00%

Osage Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Osage's average per capita income is $43,895. Household income levels show a median of $62,309. The poverty rate stands at 6.81%.

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
Married Families$93,108-
Families$80,319$97,831
Households$62,309$83,428
Non Families$38,650$63,811

$43,895

Average Income

$62,309

Median Household Income

6.81%

Poverty Rate

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)