Madison County, Missouri Demographics 2026

Population Overview

Madison County is located in Missouri with a total population of 12,665. It is the 74th most populous county out of 115 in Missouri. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Madison County is 41.4 years. This is 6% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Madison County is $58,435. This is 15% lower than the state median of $68,920. It is also 26% lower than the national median of $78,538. The poverty rate stands at 14.0%. This is 11% higher than the state poverty rate of 12.6%. The unemployment rate is 6.9%. This is 67% higher than the state rate of 4.1%. The median home value is $155,900. Housing costs are 28% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.7x, Madison County is one of the most affordable housing markets in the area. 75.4% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 67.9%.

Race & Ethnicity

Madison County has a predominantly White (non-Hispanic) population, comprising 92.7% of all residents. Hispanic or Latino residents account for 2.6%. The Black or African American population (0.4%) is well below the state average of 11.0%. The Asian population (0.4%) is well below the state average of 2.1%.

Education

15.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% 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 88.1%.

Data Sources & Methodology

All figures for Madison County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Missouri and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.