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.
Data after 2023 is projected based on recent change
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.
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
---|---|---|
Married Families | $93,108 | - |
Families | $80,319 | $97,831 |
Households | $62,309 | $83,428 |
Non Families | $38,650 | $63,811 |
Average Income
Median Household Income
Poverty Rate