McLean County's estimated 2025 population is 9,780 with a growth rate of -0.27% 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 8.69% 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
Native American
Two or more races
Other race
Asian
Native Hawaiian or Pacific Islander
Black or African American
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