County · Indiana · United States
DeKalb County ZIP codes
8 ZIP codes · 8 cities · FIPS 18033
Key facts
- State
- Indiana (IN)
- FIPS code
- 18033
- Population
- 43,584
- Median household income
- $70,080
- Median age
- 38.4
- Land area
- 362.8 sq mi (939.7 km²)
- Population density
- 120 / sq mi
- Area codes
- 260
Cities and ZIP codes in DeKalb County (8)
| City | ZIP codes |
|---|---|
| Ashley | 46705 |
| Auburn | 46706 |
| Butler | 46721 |
| Corunna | 46730 |
| Garrett | 46738 |
| Saint Joe | 46785 |
| Spencerville | 46788 |
| Waterloo | 46793 |
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.