McHenry County's estimated 2026 population is 5,101 with a growth rate of -0.33% in the past year according to the most recent United States census data. McHenry County is the 23rd largest county in North Dakota. The 2010 population was 5,402 and has seen a growth of -5.57% since that time.
Data after 2023 is projected based on recent change
The racial composition of McHenry County includes 95.21% White, and smaller percentages for Two or more races, Black or African American, Native American, Asian, other race and multiracial populations.
White (95.21%)
Two or more races (2.55%)
Black or African American (0.7%)
Native American (0.55%)
Asian (0.49%)
Other race (0.49%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,012 | 95.21% |
| Two or more races | 134 | 2.55% |
| Black or African American | 37 | 0.7% |
| Native American | 29 | 0.55% |
| Asian | 26 | 0.49% |
| Other race | 26 | 0.49% |
Married
Widowed
Divorced
Separated
Never Married
McHenry County's average per capita income is $49,781. Household income levels show a median of $80,614. The poverty rate stands at 9.83%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,852 | - |
| Families | $97,155 | $107,822 |
| Households | $80,614 | $93,621 |
| Non Families | $34,554 | $62,033 |
Average Income
Median Household Income
Poverty Rate