Marshall County, Kansas Demographics 2026

Population Overview

Marshall County is located in Kansas with a total population of 10,001. It is the 39th most populous county out of 105 in Kansas. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Marshall County is 42.6 years. This is 15% higher than the state median of 37.2 years.

Economy, Income & Housing

The median household income in Marshall County is $70,828. This is 2% lower than the state median of $72,639. Compared to the national median of $78,538, household income here is 10% lower. The poverty rate stands at 9.4%. This is 19% lower than the state poverty rate of 11.5%. The unemployment rate is 1.8%. This is 53% lower than the state rate of 3.9%. The median home value is $119,500. Housing costs are 41% lower than the state median of $203,400. With a home-value-to-income ratio of just 1.7x, Marshall County is one of the most affordable housing markets in the area. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 66.9%.

Race & Ethnicity

Marshall County has a predominantly White (non-Hispanic) population, comprising 93.8% of all residents. Hispanic or Latino residents account for 2.6%. The Black or African American population (0.7%) is well below the state average of 5.3%. The Hispanic or Latino population (2.6%) is well below the state average of 13.3%. The Asian population (0.3%) is well below the state average of 2.9%.

Education

18.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 35.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.0%.