| Name | Black Hawk County |
| State | Iowa |
| FIPS Code | 19013 |
| County Seat | Waterloo |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 130,843 |
| Population Growth Rate(2000-2022) | 0.04% |
| Majority Ethnicity | White 85.62% |
| Public School Majority Ethnicity | White 61% |
| Partisan Voting Index | Democratic:+5 |
| Unemployment Rate (December 2024) | 4.5% |
| Area Code(s) | 319 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 85.62% |
| African American | 10.26% |
| Hispanic | 0.36% |
| Asian | 2.77% |
| Native American | 0.49% |
| Hawaiin/Pacific Islander | 0.49% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 61.43% |
| African American | 16.71% |
| Hispanic | 8.89% |
| Asian | 2.89% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 2.06% |