Clark County, Missouri Demographics 2026

Population Overview

Clark County is located in Missouri with a total population of 6,680. It is the 102nd most populous county out of 115 in Missouri.

Age Demographics

The median age in Clark County is 43.5 years. This is 12% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Clark County is $51,458. This is 25% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 34% lower. The poverty rate stands at 9.4%. This is 26% lower than the state poverty rate of 12.6%. The unemployment rate is 5.8%. This is 40% higher than the state rate of 4.1%. The median home value is $117,600. Housing costs are 45% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.3x, Clark County is one of the most affordable housing markets in the area. 78.5% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.9%.

Race & Ethnicity

Clark County has a predominantly White (non-Hispanic) population, comprising 95.7% of all residents. Hispanic or Latino residents account for 0.9%. The Black or African American population (0.4%) is well below the state average of 11.0%. The Hispanic or Latino population (0.9%) is well below the state average of 5.1%. The Asian population (0.4%) is well below the state average of 2.1%.

Education

12.3% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 62% 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 90.0%.