County · Ohio · United States
Allen County ZIP codes
12 ZIP codes · 9 cities · FIPS 39003
Key facts
- State
- Ohio (OH)
- FIPS code
- 39003
- Population
- 101,685
- Median household income
- $62,001
- Median age
- 39.7
- Land area
- 402.5 sq mi (1,042.6 km²)
- Population density
- 253 / sq mi
- Area codes
- 419, 567
Cities and ZIP codes in Allen County (9)
| City | ZIP codes |
|---|---|
| Lima | 45801, 45804, 45805, 45807 |
| Beaverdam | 45808 |
| Bluffton | 45817 |
| Cairo | 45820 |
| Delphos | 45833 |
| Gomer | 45809 |
| Harrod | 45850 |
| Lafayette | 45854 |
| Spencerville | 45887 |
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.