| Place Name | Castle Township |
| Place Type | Township |
| ZIP Code(s) | 67460 67491 |
| County | Mcpherson County |
| Area Code(s) | 620 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 177 |
| Majority Ethnicity | White 94.57% |
| Metro/Micro Stats Area | McPherson, KS |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 73 |
| State Senate Districts | 35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.57% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.43% |