Castle is located in McPherson County, Kansas. Castle has a 2025 population of 167 . Castle is currently growing at a rate of 0.6% annually and its population has increased by 3.09% since the most recent census, which recorded a population of 162 in 2020.
The average household income in Castle is $65,011 with a poverty rate of 4.55%. The median age in Castle is 49.1 years: 45 years for males, and 52.8 years for females. For every 100 females there are 106.3 males.
Data after 2023 is projected based on recent change
The racial composition of Castle includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 198 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Castle's average per capita income is $37,039. Household income levels show a median of $51,827. The poverty rate stands at 4.55%.
Name | Median | Mean |
|---|---|---|
| Married Families | $63,750 | - |
| Families | $52,404 | $70,958 |
| Households | $51,827 | $65,011 |
| Non Families | $42,143 | $51,597 |
Average Income
Median Household Income
Poverty Rate