Census place · GEOID 1982425 · Black Hawk County
Waterloo, IA ZIP codes
5 ZIP/ZCTAs intersecting this Census place in Black Hawk County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Waterloo (GEOID 1982425). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 120,426 (5 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Waterloo, IA

ZIP/ZCTA overlap with Waterloo
Population overlap
Share of each ZIP/ZCTA’s population located within Waterloo, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 506130.1%
- 5070195.9%
USPS primary city
- 5070294.8%
USPS primary city
- 5070391.2%
USPS primary city
- 5070726.3%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Waterloo
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50613 | Cedar Falls | Black Hawk County | 43,680 | $75,642 |
| 50701 | Waterloo | Black Hawk County | 29,745 | $62,857 |
| 50702 | Waterloo | Black Hawk County | 21,197 | $59,784 |
| 50703 | Waterloo | Black Hawk County | 18,397 | $49,412 |
| 50707 | Evansdale | Black Hawk County | 7,407 | $61,451 |
USPS associates these ZIPs with Waterloo
These codes list Waterloo as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50704 | Waterloo | Black Hawk County | 1,018 | — |
| 50706 | Waterloo | Black Hawk County | 124 | — |