Mercer County, North Dakota Demographics 2026

Population Overview

Mercer County is located in North Dakota with a total population of 8,341. It is the 17th most populous county out of 53 in North Dakota. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Mercer County is 42.8 years. This is 20% higher than the state median of 35.7 years.

Economy, Income & Housing

The median household income in Mercer County is $79,405. This is 5% higher than the state median of $75,949. Compared to the national median of $78,538, household income here is 1% higher. The poverty rate stands at 10.7%. This is about average than the state poverty rate of 10.6%. The unemployment rate is 1.9%. This is 34% lower than the state rate of 2.8%. The median home value is $196,200. Housing costs are 19% lower than the state median of $241,100. With a home-value-to-income ratio of just 2.5x, Mercer County is one of the most affordable housing markets in the area. 80.5% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 63.4%.

Race & Ethnicity

Mercer County has a predominantly White (non-Hispanic) population, comprising 90.5% of all residents. Hispanic or Latino residents account for 2.7%. The Black or African American population (0.6%) is well below the state average of 3.2%. The Asian population (0.4%) is well below the state average of 1.5%.

Education

22.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 32.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.4%.