Marshall County, Indiana Demographics 2026

Population Overview

Marshall County is located in Indiana with a total population of 46,225. It is the 32nd most populous county out of 92 in Indiana. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Marshall County is 39.6 years. This is 4% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Marshall County is $68,041. This is 3% lower than the state median of $70,051. Compared to the national median of $78,538, household income here is 13% lower. The poverty rate stands at 10.9%. This is 10% lower than the state poverty rate of 12.2%. The unemployment rate is 2.8%. This is 34% lower than the state rate of 4.3%. The median home value is $184,500. Housing costs are 8% lower than the state median of $201,600. With a home-value-to-income ratio of just 2.7x, Marshall County is one of the most affordable housing markets in the area. 76.5% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 70.3%.

Race & Ethnicity

Marshall County has a predominantly White (non-Hispanic) population, comprising 85.4% of all residents. Hispanic or Latino residents account for 11.6%. The Black or African American population (0.5%) is well below the state average of 9.1%. The Asian population (0.7%) is well below the state average of 2.5%.

Education

20.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 28.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.1%.