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 2026 population of 3,524. It is also the county seat of Mitchell County. Osage is currently declining at a rate of -0.48% annually and its population has decreased by -2.89% since the most recent census, which recorded a population of 3,629 in 2020.

The median household income in Osage is $68,730 with a poverty rate of 6.93%. The median age in Osage is 43.4 years: 41.3 years for males, and 46.2 years for females. For every 100 females there are 94.2 males.

3.5K
Total Population
1,572
Density (mi²)
-17 -0.48%
Growth

Osage Population

Osage Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,524-17-0.48%
20253,541-18-0.51%
20243,559140.39%
20233,545-14-0.39%
20223,559-28-0.78%
20213,587-42-1.16%
20203,62930.08%
20193,54590.25%
20183,536-6-0.17%
20173,542-47-1.31%
20163,589-2-0.06%
20153,591-27-0.75%
20143,61850.14%
20133,613-14-0.39%
20123,62750.14%
20113,622-5-0.14%
20103,62780.22%
20003,451120.35%
19903,439-279-7.5%
19803,718-97-2.54%
19703,815621.65%
19603,7533179.23%
19503,4362407.51%
19403,1962327.83%
19302,964862.99%
19202,8781445.27%
19002,73400%

Median Age

Overall: 43.4 years
Female: 46.2 years
Male: 41.3 years

Osage Adults

There are 2,890 adults, (897 of whom are seniors) in Osage.

Sex Ratio

Female: 1,834 (51.5%)
Male: 1,727 (48.5%)

Demographics

The racial composition of Osage includes 93.93% White, and smaller percentages for other race, Asian, Black or African American, Two or more races, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,34593.93%
Other race892.5%
Asian491.38%
Black or African American350.98%
Two or more races280.79%
Native American150.42%
Race
Population ↓
Percentage (of total)
Other race892.5%
Race
Population ↓
Percentage (of total)
White3,34593.93%
Asian491.38%
Black or African American350.98%
Two or more races280.79%
Native American150.42%

Osage Marital Status

Economics and Income Statistics

Osage 's average per capita income is $47,735. Household income levels show a median of $68,730. The poverty rate stands at 6.93%.

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$90,750-
Families$84,615$108,838
Households$68,730$93,872
Non Families$36,650$69,652

$47,735

Average Income

$68,730

Median Household Income

6.93%

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)