Interior town, South Dakota Demographics & Population 2026

Population Overview

Interior town is a small community located in South Dakota, within Jackson County. The total population is 53. It ranks as the 369th most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in Interior town is 54.6 years. This is 45% higher than the state median of 37.7 years. Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The poverty rate stands at 35.9%. This is 199% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.0%. The median home value is $114,300. Housing costs are 52% lower than the state median of $236,800. 84.6% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 68.6%.

Race & Ethnicity

The largest racial or ethnic group in Interior town is White (non-Hispanic), making up 84.9% of the population.

Education

18.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% 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 95.9%.

Data Sources & Methodology

All demographic data for Interior town, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. For official data, visit data.census.gov.