| Place Name | Pentwater Township |
| Place Type | Township |
| ZIP Code(s) | 49436 49449 |
| County | Oceana County |
| Area Code(s) | 231 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,704 |
| Majority Ethnicity | White 97.03% |
| US Congressional District(s) | Michigan 2nd |
| State House Districts | 100 |
| State Senate Districts | 34 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.03% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.97% |