| Place Name | Cynthiana |
| Place Type | Town |
| ZIP Code(s) | 47612 |
| County | Posey County |
| Area Code(s) | 812,930 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 633 |
| Population Growth Rate (2010-19) | 1.28% |
| Majority Ethnicity | White 99.03% |
| Metro/Micro Stats Area | Evansville, IN-KY |
| US Congressional District(s) | Indiana 8th |
| State House Districts | 64 |
| State Senate Districts | 49 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.03% |
| African American | 0.32% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.65% |