Castle Grove is located in Jones County, Iowa. Castle Grove has a 2025 population of 339 . Castle Grove is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Castle Grove is $112,860 with a poverty rate of 0%. The median age in Castle Grove is 34.6 years: 54.9 years for males, and 34.4 years for females. For every 100 females there are 71.2 males.
Data after 2023 is projected based on recent change
The racial composition of Castle Grove includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 339 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Castle Grove's average per capita income is $69,844. Household income levels show a median of $118,472. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Families | $139,875 | $139,231 |
| Married Families | $138,375 | - |
| Households | $118,472 | $112,860 |
| Non Families | $39,844 | $50,450 |
Average Income
Median Household Income
Poverty Rate