| Place Name | Cadiz |
| Place Type | City |
| ZIP Code(s) | 42211 |
| County | Trigg County |
| Area Code(s) | 270,364 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 2,556 |
| Population Growth Rate (2010-19) | -0.70% |
| Majority Ethnicity | White 89.89% |
| Metro/Micro Stats Area | Clarksville, TN-KY |
| US Congressional District(s) | Kentucky 1st |
| State House Districts | 5,8 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.89% |
| African American | 6.57% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.54% |