McLean County, North Dakota Demographics 2026
McLean County, North Dakota has a population of 9,823, the 15th most populous county in North Dakota. The median household income is $83,583 and the median home value is $227,100. The poverty rate is 8.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
McLean County Quick Facts
How McLean 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 | 9,807 | 9,823 | +0.2% |
| Median household income | $81,847 | $83,583 | +2.1% |
| Median home value | $233,100 | $227,100 | -2.6% |
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 McLean County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Washburn | 1,507 | $73,413 | 10.7% | $238,200 |
| Garrison | 1,397 | $71,974 | 6.5% | $165,800 |
| Underwood | 699 | $85,577 | 10.2% | $191,200 |
| Turtle Lake | 500 | $67,639 | 12.1% | $120,100 |
| Max | 358 | $80,208 | 1.4% | $137,500 |
| White Shield | 246 | $68,750 | 29.3% | N/A |
| Benedict | 227 | $61,791 | 0.4% | $241,000 |
| Riverdale | 187 | $73,333 | 4.3% | $222,700 |
| Butte | 68 | N/A | 22.1% | $137,500 |
| Coleharbor | 66 | $78,750 | 7.6% | $166,700 |
| Mercer | 66 | $46,429 | 34.8% | $84,300 |
| Ruso | 4 | N/A | 0.0% | N/A |
Explore North Dakota Rankings
Population Overview
McLean County is located in North Dakota with a total population of 9,823. It is the 15th most populous county out of 53 in North Dakota. The county encompasses 12 Census-designated places.
Age Demographics
The median age in McLean County is 47.7 years. This is 33% higher than the state median of 35.9 years. 10.5% 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 McLean County is $83,583. This is 9% higher than the state median of $76,657. It is also 4% higher than the national median of $80,734. The poverty rate stands at 8.9%. This is 18% lower than the state poverty rate of 10.8%. The unemployment rate is 1.4%. This is 51% lower than the state rate of 2.8%. The median home value is $227,100. Housing costs are 9% lower than the state median of $249,900. With a home-value-to-income ratio of just 2.7x, McLean County is one of the most affordable housing markets in the area. 84.2% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 62.8%.
Race & Ethnicity
McLean County has a predominantly White (non-Hispanic) population, comprising 88.1% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (0.1%) is well below the state average of 3.3%. The Hispanic or Latino population (2.1%) is well below the state average of 4.7%.
Education
26.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 20% 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 93.9%.
Data Sources & Methodology
All figures for McLean 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 McLean County, North Dakota?
McLean County has a population of 9,823, making it the 15th most populous county in North Dakota.
What is the median income in McLean County?
The median household income in McLean County is $83,583 with a poverty rate of 8.9%.
How many cities are in McLean County, North Dakota?
McLean County contains 12 Census-designated places.