| Place Name | Lyon Township (Hamilton County) |
| Place Type | Township |
| ZIP Code(s) | 50075 50130 50132 |
| County | Hamilton County |
| Area Code(s) | 515 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 1,569 |
| Majority Ethnicity | White 97.65% |
| US Congressional District(s) | Iowa 4th |
| State House Districts | 48 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.65% |
| African American | 0% |
| Hispanic | 0.13% |
| Asian | 0.89% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.34% |