Delta County, Michigan Demographics 2026

Population Overview

Delta County is located in Michigan with a total population of 36,829. It is the 43rd most populous county out of 83 in Michigan. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Delta County is 47.8 years. This is 19% higher than the state median of 40.1 years. 10.1% 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 Delta County is $54,829. This is 23% lower than the state median of $71,149. Compared to the national median of $78,538, household income here is 30% lower. The poverty rate stands at 14.0%. This is 7% higher than the state poverty rate of 13.1%. The unemployment rate is 5.1%. This is 12% lower than the state rate of 5.8%. The median home value is $146,800. Housing costs are 33% lower than the state median of $217,600. With a home-value-to-income ratio of just 2.7x, Delta County is one of the most affordable housing markets in the area. 78.6% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 72.9%.

Race & Ethnicity

Delta County has a predominantly White (non-Hispanic) population, comprising 90.3% of all residents. Hispanic or Latino residents account for 1.5%. The Black or African American population (0.3%) is well below the state average of 13.2%. The Hispanic or Latino population (1.5%) is well below the state average of 5.7%. The Asian population (0.3%) is well below the state average of 3.3%.

Education

20.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 31.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.4%.