Miner County, South Dakota Demographics 2026

Population Overview

Miner County is located in South Dakota with a total population of 2,299. It is the 55th most populous county out of 66 in South Dakota. The county encompasses 5 Census-designated places.

Age Demographics

The median age in Miner County is 48.9 years. This is 30% higher than the state median of 37.7 years. 10.6% 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 Miner County is $72,589. This is about average than the state median of $72,421. Compared to the national median of $78,538, household income here is 8% lower. The poverty rate stands at 10.3%. This is 14% lower than the state poverty rate of 12.0%. The unemployment rate is 0.9%. This is 72% lower than the state rate of 3.0%. The median home value is $114,100. Housing costs are 52% lower than the state median of $236,800. With a home-value-to-income ratio of just 1.6x, Miner County is one of the most affordable housing markets in the area. 82.3% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 68.6%.

Race & Ethnicity

Miner County has a predominantly White (non-Hispanic) population, comprising 94.3% of all residents. Hispanic or Latino residents account for 1.8%. The Black or African American population (1.0%) is well below the state average of 2.2%. The Hispanic or Latino population (1.8%) is well below the state average of 4.6%. The Asian population (0.2%) is well below the state average of 1.4%.

Education

16.1% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 48% lower than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.4%.