| Name | Dallas County |
| State | Iowa |
| FIPS Code | 19049 |
| County Seat | Adel |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 66,997 |
| Population Growth Rate(2000-2022) | 50.72% |
| Majority Ethnicity | White 92.28% |
| Public School Majority Ethnicity | White 71% |
| Partisan Voting Index | Republican:+3 |
| Unemployment Rate (June 2025) | 2.8% |
| Area Code(s) | 515 / 641 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 92.28% |
| African American | 2.48% |
| Hispanic | 0.24% |
| Asian | 4.93% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0.04% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 70.62% |
| African American | 6.33% |
| Hispanic | 11.7% |
| Asian | 5.65% |
| Native American | 0.2% |
| Hawaiin/Pacific Islander | 0.09% |