Osage County Flag

Osage County

State:
Missouri
County Seat:
Linn

Osage County's estimated 2025 population is 13,608 with a growth rate of 0.52% in the past year according to the most recent United States census data. Osage County is the 73rd largest county in Missouri. The 2010 population was 13,907 and has seen a growth of -2.15% since that time.

13,608
Total Population
22
Population Density (mi²)
73
Population Rank (State)
70 0.52%
Annual Population Growth

Osage County Population

Osage County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Osage County includes 97.79% White, and smaller percentages for Two or more races, Native American, Black or African American, other race, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White13,08397.79%
Two or more races2191.64%
Native American470.35%
Black or African American210.16%
Other race80.06%
Asian10.01%

Osage County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Osage County's average per capita income is $48,339. Household income levels show a median of $75,355. The poverty rate stands at 10.09%.

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$105,552-
Families$96,100$131,161
Households$75,355$104,002
Non Families$30,026$42,179

$48,339

Average Income

$75,355

Median Household Income

10.09%

Poverty Rate