Slope County, North Dakota Demographics 2026
Slope County, North Dakota has a population of 766, the 53rd most populous county in North Dakota. The median household income is $71,250 and the median home value is $170,000. The poverty rate is 5.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Slope County Quick Facts
How Slope County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 795 | 766 | -3.6% |
| Median household income | $62,500 | $71,250 | +14.0% |
| Median home value | $121,300 | $170,000 | +40.1% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 32 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Slope County
Explore North Dakota Rankings
Population Overview
Slope County is located in North Dakota with a total population of 766. It is the 53rd most populous county out of 53 in North Dakota. The county encompasses 2 Census-designated places.
Age Demographics
The median age in Slope County is 54.1 years. This is 51% higher than the state median of 35.9 years. 10.3% 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 Slope County is $71,250. This is 7% lower than the state median of $76,657. It is also 12% lower than the national median of $80,734. The poverty rate stands at 5.0%. This is 54% lower than the state poverty rate of 10.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.7%. This is 3% lower than the state rate of 2.8%. The median home value is $170,000. Housing costs are 32% lower than the state median of $249,900. With a home-value-to-income ratio of just 2.4x, Slope County is one of the most affordable housing markets in the area. 80.8% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 62.8%.
Race & Ethnicity
Slope County has a predominantly White (non-Hispanic) population, comprising 92.4% of all residents. Hispanic or Latino residents account for 0.1%. The Hispanic or Latino population (0.1%) is well below the state average of 4.7%.
Education
29.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% 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 93.0%.
Data Sources & Methodology
All figures for Slope 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.
Frequently Asked Questions
What is the population of Slope County, North Dakota?
Slope County has a population of 766, making it the 53rd most populous county in North Dakota.
What is the median income in Slope County?
The median household income in Slope County is $71,250 with a poverty rate of 5.0%.
How many cities are in Slope County, North Dakota?
Slope County contains 2 Census-designated places.