| Name | Decatur County |
| State | Indiana |
| FIPS Code | 18031 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 25,772 |
| Population Growth Rate(2000-2022) | 2.84% |
| Majority Ethnicity | White 95.68% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Strongly Republican:+27 |
| Unemployment Rate | 3.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 95.68% |
| African American | 0.62% |
| Hispanic | 1.92% |
| Asian | 1.35% |
| Native American | 0.42% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 93.77% |
| African American | 0.26% |
| Hispanic | 2.91% |
| Asian | 0.43% |
| Native American | 0.24% |
| Hawaiin/Pacific Islander | 0.14% |