County · Iowa · United States
Buchanan County ZIP codes
11 ZIP codes · 11 cities · FIPS 19019
Key facts
- State
- Iowa (IA)
- FIPS code
- 19019
- Population
- 20,645
- Median household income
- $78,430
- Median age
- 39.9
- Land area
- 571.1 sq mi (1,479.1 km²)
- Population density
- 36 / sq mi
- Area codes
- 319, 563
Cities and ZIP codes in Buchanan County (11)
| City | ZIP codes |
|---|---|
| Aurora | 50607 |
| Brandon | 52210 |
| Fairbank | 50629 |
| Hazleton | 50641 |
| Independence | 50644 |
| Jesup | 50648 |
| Lamont | 50650 |
| Quasqueton | 52326 |
| Rowley | 52329 |
| Stanley | 50671 |
| Winthrop | 50682 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.