St. Onge CDP, South Dakota Demographics & Population 2026

Population Overview

St. Onge CDP is a small community located in South Dakota. The total population is 46. It ranks as the 374th most populous out of 439 cities and towns in South Dakota.

Age Demographics

Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 12.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.0%. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 46% higher than the state average of 68.6%.

Race & Ethnicity

St. Onge CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

100.0% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Onge CDP in the top 10% of all cities in the state for educational attainment. This is 222% higher 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. Onge 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.