Osage County, Missouri Demographics 2026

Population Overview

Osage County is located in Missouri with a total population of 13,379. It is the 73rd most populous county out of 115 in Missouri.

Age Demographics

The median age in Osage County is 40.8 years. This is 5% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Osage County is $75,355. This is 9% higher than the state median of $68,920. Compared to the national median of $78,538, household income here is 4% lower. The poverty rate stands at 10.1%. This is 20% lower than the state poverty rate of 12.6%. The unemployment rate is 1.8%. This is 57% lower than the state rate of 4.1%. The median home value is $205,700. Housing costs are 5% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.7x, Osage County is one of the most affordable housing markets in the area. 81.3% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 67.9%.

Race & Ethnicity

Osage County has a predominantly White (non-Hispanic) population, comprising 97.0% of all residents. Hispanic or Latino residents account for 1.1%. The Black or African American population (0.2%) is well below the state average of 11.0%. The Hispanic or Latino population (1.1%) is well below the state average of 5.1%. The Asian population (0.0%) is well below the state average of 2.1%.

Education

24.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.0%.