Campbell County, South Dakota Demographics 2026

Population Overview

Campbell County is located in South Dakota with a total population of 1,593. It is the 62nd most populous county out of 66 in South Dakota. The county encompasses 4 Census-designated places.

Age Demographics

The median age in Campbell County is 50.9 years. This is 34% higher than the state median of 38.0 years. 14.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Campbell County is $68,929. This is 8% lower than the state median of $75,081. It is also 15% lower than the national median of $80,734. The poverty rate stands at 7.7%. This is 36% lower than the state poverty rate of 11.9%. The unemployment rate is 3.1%. This is 7% higher than the state rate of 2.9%. The median home value is $115,900. Housing costs are 55% lower than the state median of $257,400. With a home-value-to-income ratio of just 1.7x, Campbell County is one of the most affordable housing markets in the area. 76.3% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 68.6%.

Race & Ethnicity

Campbell County has a predominantly White (non-Hispanic) population, comprising 88.6% of all residents. Hispanic or Latino residents account for 7.8%. The Hispanic or Latino population is significantly higher than the state average (7.8% vs 4.8%). The Asian population (0.1%) is well below the state average of 1.4%.

Education

36.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Campbell County in the top 10% of all counties in the state for educational attainment. This is 13% higher 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 92.2%.

Data Sources & Methodology

All figures for Campbell 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.