St. Charles CDP, South Dakota Demographics & Population 2026

Population Overview

St. Charles CDP is a small community located in South Dakota. The total population is 11. It ranks as the 422nd most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in St. Charles CDP is 74.3 years. This is 97% higher than the state median of 37.7 years. Only 0.0% of residents are under 18, indicating fewer families with children. 18.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The poverty rate stands at 18.2%. This is 51% higher than the state poverty rate of 12.0%. The unemployment rate is 50.0%. This is 1567% higher than the state rate of 3.0%. 66.7% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 68.6%.

Race & Ethnicity

The largest racial or ethnic group in St. Charles CDP is White (non-Hispanic), making up 81.8% of the population.

Education

0.0% 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 100% 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 100.0%.

Data Sources & Methodology

All demographic data for St. Charles CDP, 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.