McLean County's estimated 2026 population is 9,863 with a growth rate of 0.09% in the past year according to the most recent United States census data. McLean County is the 15th largest county in North Dakota. The 2010 population was 8,998 and has seen a growth of 9.61% since that time.
Data after 2023 is projected based on recent change
The racial composition of McLean County includes 88.8% White, 6.41% Native American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
White (88.8%)
Native American (6.41%)
Two or more races (3.07%)
Other race (0.92%)
Asian (0.38%)
Native Hawaiian or Pacific Islander (0.25%)
Black or African American (0.16%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,709 | 88.8% |
| Native American | 629 | 6.41% |
| Two or more races | 301 | 3.07% |
| Other race | 90 | 0.92% |
| Asian | 37 | 0.38% |
| Native Hawaiian or Pacific Islander | 25 | 0.25% |
| Black or African American | 16 | 0.16% |
Married
Widowed
Divorced
Separated
Never Married
McLean County's average per capita income is $52,068. Household income levels show a median of $81,847. The poverty rate stands at 8.35%.
Name | Median | Mean |
|---|---|---|
| Married Families | $109,605 | - |
| Families | $104,509 | $117,262 |
| Households | $81,847 | $97,533 |
| Non Families | $50,154 | $56,604 |
Average Income
Median Household Income
Poverty Rate