Hyde County, South Dakota Demographics 2026

Population Overview

Hyde County is located in South Dakota with a total population of 1,191. It is the 64th most populous county out of 66 in South Dakota. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Hyde County is 53.7 years. This is 41% higher than the state median of 38.0 years. 12.4% 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 Hyde County is $73,472. This is 2% lower than the state median of $75,081. It is also 9% lower than the national median of $80,734. The poverty rate stands at 5.7%. This is 53% lower than the state poverty rate of 11.9%. The unemployment rate is 3.7%. This is 27% higher than the state rate of 2.9%. The median home value is $181,600. Housing costs are 29% lower than the state median of $257,400. With a home-value-to-income ratio of just 2.5x, Hyde County is one of the most affordable housing markets in the area. 83.5% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 68.6%.

Race & Ethnicity

Hyde County has a predominantly White (non-Hispanic) population, comprising 86.1% of all residents. Hispanic or Latino residents account for 1.6%. The Black or African American population (0.3%) is well below the state average of 2.1%. The Hispanic or Latino population (1.6%) is well below the state average of 4.8%.

Education

20.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.0%.

Data Sources & Methodology

All figures for Hyde County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against South Dakota and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.