| Name | Buchanan County |
| State | Iowa |
| FIPS Code | 19019 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 20,988 |
| Population Growth Rate(2000-2022) | -1.88% |
| Majority Ethnicity | White 97.03% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Republican:+7 |
| Unemployment Rate | 3.0% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 97.03% |
| African American | 0.78% |
| Hispanic | 1.86% |
| Asian | 0.07% |
| Native American | 0.18% |
| Hawaiin/Pacific Islander | 0.09% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 95.43% |
| African American | 0.41% |
| Hispanic | 2.04% |
| Asian | 0.15% |
| Native American | 0.06% |
| Hawaiin/Pacific Islander | 0.15% |