Linn County, Missouri Demographics 2026

Population Overview

Linn County is located in Missouri with a total population of 11,850. It is the 76th most populous county out of 115 in Missouri.

Age Demographics

The median age in Linn County is 42.4 years. This is 9% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Linn County is $61,975. This is 10% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 21% lower. The poverty rate stands at 16.2%. This is 28% higher than the state poverty rate of 12.6%. The unemployment rate is 2.6%. This is 36% lower than the state rate of 4.1%. The median home value is $117,300. Housing costs are 46% lower than the state median of $215,600. With a home-value-to-income ratio of just 1.9x, Linn County is one of the most affordable housing markets in the area. 78.7% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.9%.

Race & Ethnicity

Linn County has a predominantly White (non-Hispanic) population, comprising 93.9% of all residents. Hispanic or Latino residents account for 2.9%. The Black or African American population (0.7%) is well below the state average of 11.0%. The Asian population (0.4%) is well below the state average of 2.1%.

Education

20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% 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 91.5%.