County · GEOID 19019
Buchanan County, IA ZIP codes
16 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Buchanan County (GEOID 19019). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 33,854 (16 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Buchanan County
Population overlap
Share of each ZIP/ZCTA’s population located within Buchanan County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 5060778.4%
Directory county
- 506261.3%
- 5062960.3%
Directory county
- 50641100.0%
Directory county
- 50644100.0%
Directory county
- 5064876.8%
Directory county
- 5065088.0%
Directory county
- 5065439.1%
- 506621.1%
- 5067162.6%
Directory county
- 50682100.0%
Directory county
- 5221096.8%
Directory county
- 522188.9%
- 52326100.0%
Directory county
- 52329100.0%
Directory county
- 5235217.6%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Buchanan County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50607 | Aurora | Buchanan County | 404 | $57,813 |
| 50626 | Dunkerton | Black Hawk County | 1,478 | $82,552 |
| 50629 | Fairbank | Buchanan County | 2,335 | $102,750 |
| 50641 | Hazleton | Buchanan County | 1,665 | $64,511 |
| 50644 | Independence | Buchanan County | 8,475 | $79,861 |
| 50648 | Jesup | Buchanan County | 4,120 | $96,081 |
| 50650 | Lamont | Buchanan County | 664 | $52,083 |
| 50654 | Masonville | Delaware County | 335 | $51,620 |
| 50662 | Oelwein | Fayette County | 6,497 | $49,145 |
| 50671 | Stanley | Buchanan County | 178 | $56,850 |
| 50682 | Winthrop | Buchanan County | 1,700 | $85,625 |
| 52210 | Brandon | Buchanan County | 975 | $68,911 |
| 52218 | Coggon | Linn County | 1,700 | $90,924 |
| 52326 | Quasqueton | Buchanan County | 745 | $64,844 |
| 52329 | Rowley | Buchanan County | 677 | $59,688 |
| 52352 | Walker | Linn County | 1,906 | $86,950 |