McHenry County's estimated 2026 population is 5,107 with a growth rate of -0.45% 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 -5.46% since that time.
Data after 2023 is projected based on recent change
Overall: 43.4 years
Female: 43.8 years
Male: 43.4 years
There are 3,947 adults, (1,153 of whom are seniors) in McHenry County.
Female: 2,508 (48.2%)
Male: 2,699 (51.8%)
The racial composition of McHenry County includes 94.26% White, and smaller percentages for Black or African American, Native American, other race, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,908 | 94.26% |
| Two or more races | 168 | 3.23% |
| Black or African American | 40 | 0.77% |
| Native American | 40 | 0.77% |
| Other race | 39 | 0.75% |
| Asian | 12 | 0.23% |
McHenry County's average per capita income is $49,381. Household income levels show a median of $80,733. The poverty rate stands at 9.69%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,977 | - |
| Families | $98,060 | $108,948 |
| Households | $80,733 | $92,720 |
| Non Families | $40,529 | $58,801 |
Average Income
Median Household Income
Poverty Rate