Millerdale Colony CDP, South Dakota Demographics & Population 2026

Population Overview

Millerdale Colony CDP is a small community located in South Dakota. The total population is 85. It ranks as the 321st most populous out of 439 cities and towns in South Dakota.

Age Demographics

The median age in Millerdale Colony CDP is 33.8 years. This is 10% lower than the state median of 37.7 years. With 31.8% of the population under 18, Millerdale Colony CDP has a notably young demographic profile, suggesting a family-oriented community.

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%. 0.0% of occupied housing units are owner-occupied. This homeownership rate is 100% lower than the state average of 68.6%.

Race & Ethnicity

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

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 79.3%.

Data Sources & Methodology

All demographic data for Millerdale Colony 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.