Martin County, Minnesota Demographics 2026

Population Overview

Martin County is located in Minnesota with a total population of 19,864. It is the 49th most populous county out of 87 in Minnesota. The county encompasses 9 Census-designated places.

Age Demographics

The median age in Martin County is 44.5 years. This is 15% higher than the state median of 38.6 years. 10.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Martin County is $62,969. This is 28% lower than the state median of $87,556. Compared to the national median of $78,538, household income here is 20% lower. The poverty rate stands at 11.1%. This is 20% higher than the state poverty rate of 9.2%. The unemployment rate is 4.4%. This is 11% higher than the state rate of 3.9%. The median home value is $158,800. Housing costs are 48% lower than the state median of $305,500. With a home-value-to-income ratio of just 2.5x, Martin County is one of the most affordable housing markets in the area. 72.4% of occupied housing units are owner-occupied.

Race & Ethnicity

Martin County has a predominantly White (non-Hispanic) population, comprising 88.7% of all residents. Hispanic or Latino residents account for 6.8%. The Black or African American population (0.8%) is well below the state average of 6.7%. The Asian population (0.6%) is well below the state average of 5.0%.

Education

23.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% lower than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.7%.