| Place Name | Hayes Township (Buena Vista County) |
| Place Type | Township |
| ZIP Code(s) | 50588 51053 |
| County | Buena Vista County |
| Area Code(s) | 712 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,220 |
| Majority Ethnicity | White 70.92% |
| Metro/Micro Stats Area | Storm Lake, IA |
| US Congressional District(s) | Iowa 4th |
| State House Districts | 11 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 70.92% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 3.49% |
| Native American | 1.35% |
| Hawaiin/Pacific Islander | 24.23% |