Miller County, Missouri Demographics 2026

Population Overview

Miller County is located in Missouri with a total population of 25,081. It is the 42nd most populous county out of 115 in Missouri.

Age Demographics

The median age in Miller 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 Miller County is $55,172. This is 20% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 30% lower. The poverty rate stands at 14.6%. This is 16% higher than the state poverty rate of 12.6%. The unemployment rate is 5.1%. This is 25% higher than the state rate of 4.1%. The median home value is $169,800. Housing costs are 21% lower than the state median of $215,600. The home-value-to-income ratio is 3.1x. 76.1% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 67.9%.

Race & Ethnicity

Miller County has a predominantly White (non-Hispanic) population, comprising 93.7% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (1.2%) is well below the state average of 11.0%. The Hispanic or Latino population (2.1%) is well below the state average of 5.1%. The Asian population (0.4%) is well below the state average of 2.1%.

Education

21.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% 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 89.5%.