Knox County, Missouri Demographics 2026

Population Overview

Knox County is located in Missouri with a total population of 3,760. It is the 113th most populous county out of 115 in Missouri.

Age Demographics

The median age in Knox County is 39.8 years. This is 2% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Knox County is $53,333. This is 23% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 32% lower. The poverty rate stands at 14.7%. This is 16% higher than the state poverty rate of 12.6%. The unemployment rate is 4.0%. This is 2% lower than the state rate of 4.1%. The median home value is $97,200. Housing costs are 55% lower than the state median of $215,600. With a home-value-to-income ratio of just 1.8x, Knox County is one of the most affordable housing markets in the area. 85.9% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.9%.

Race & Ethnicity

Knox County has a predominantly White (non-Hispanic) population, comprising 95.3% of all residents. Black or African American residents account for 0.9%. The Black or African American population (0.9%) is well below the state average of 11.0%. The Hispanic or Latino population (0.4%) is well below the state average of 5.1%. The Asian population (0.2%) is well below the state average of 2.1%.

Education

16.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 47% 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 82.9%.