| Place Name | Sylvan Grove |
| Place Type | City |
| ZIP Code(s) | 67481 |
| County | Lincoln County |
| Area Code(s) | 785 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 281 |
| Population Growth Rate (2010-19) | 4.30% |
| Majority Ethnicity | White 99.44% |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 109 |
| State Senate Districts | 36 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.44% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.56% |