| Name | Delaware County |
| State | Iowa |
| FIPS Code | 19055 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 17,721 |
| Population Growth Rate(2000-2022) | -1.55% |
| Majority Ethnicity | White 98.05% |
| Public School Majority Ethnicity | White 93% |
| Partisan Voting Index | Republican:+14 |
| Unemployment Rate | 2.6% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 98.05% |
| African American | 0.01% |
| Hispanic | 1.65% |
| Asian | 0.21% |
| Native American | 0.09% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 93.16% |
| African American | 2.21% |
| Hispanic | 2.39% |
| Asian | 0.44% |
| Native American | 0.22% |
| Hawaiin/Pacific Islander | 0.04% |