Sheridan County, North Dakota Demographics 2026

Population Overview

Sheridan County is located in North Dakota with a total population of 1,303. It is the 51st most populous county out of 53 in North Dakota. The county encompasses 4 Census-designated places.

Age Demographics

The median age in Sheridan County is 51.5 years. This is 43% higher than the state median of 35.9 years. 16.7% 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 Sheridan County is $62,639. This is 18% lower than the state median of $76,657. It is also 22% lower than the national median of $80,734. The poverty rate stands at 10.1%. This is 6% lower than the state poverty rate of 10.8%. The unemployment rate is 1.1%. This is 62% lower than the state rate of 2.8%. The median home value is $110,300. Housing costs are 56% lower than the state median of $249,900. With a home-value-to-income ratio of just 1.8x, Sheridan County is one of the most affordable housing markets in the area. 84.0% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 62.8%.

Race & Ethnicity

Sheridan County has a predominantly White (non-Hispanic) population, comprising 96.5% of all residents. Asian residents account for 0.5%. The Hispanic or Latino population (0.4%) is well below the state average of 4.7%. The Asian population (0.5%) is well below the state average of 1.6%.

Education

18.9% 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 42% lower than the state rate of 32.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.2%.

Data Sources & Methodology

All figures for Sheridan County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against North 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.