Castle Rock is located in Hettinger County, North Dakota. Castle Rock has a 2025 population of 72 . Castle Rock is currently declining at a rate of 0% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 73 in 2020.
The average household income in Castle Rock is $92,550 with a poverty rate of 7.14%. The median age in Castle Rock is 32.8 years: 32.8 years for males, and 38 years for females. For every 100 females there are 121.1 males.
Data after 2023 is projected based on recent change
The racial composition of Castle Rock includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 84 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Castle Rock's average per capita income is $50,000. Household income levels show a median of $98,000. The poverty rate stands at 7.14%.
Name | Median | Mean |
|---|---|---|
| Married Families | $140,875 | - |
| Households | $98,000 | $92,550 |
| Families | - | $92,068 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate