| Place Name | Waterloo |
| Place Type | City |
| ZIP Code(s) | 50701 50702 50703 |
| County | Black Hawk County |
| Area Code(s) | 319 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 68,248 |
| Population Growth Rate (2010-19) | -1.60% |
| Majority Ethnicity | White 72.37% |
| Metro/Micro Stats Area | Waterloo-Cedar Falls, IA |
| US Congressional District(s) | Iowa 1st |
| State House Districts | 59,60,61,62 |
| State Senate Districts | 30,31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 72.37% |
| African American | 17.31% |
| Hispanic | 0.29% |
| Asian | 2.51% |
| Native American | 0.47% |
| Hawaiin/Pacific Islander | 7.05% |