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 County. Osage 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.

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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,405	95.16%
Asian	53	1.48%
Other race	50	1.4%
Black or African American	35	0.98%
Two or more races	23	0.64%
Native American	12	0.34%

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