County · Wyoming · United States
Natrona County ZIP codes
12 ZIP codes · 10 cities · FIPS 56025
Key facts
- State
- Wyoming (WY)
- FIPS code
- 56025
- Population
- 79,735
- Median household income
- $71,247
- Median age
- 38.2
- Land area
- 5,340.5 sq mi (13,831.9 km²)
- Population density
- 15 / sq mi
- Area codes
- 307
Cities and ZIP codes in Natrona County (10)
| City | ZIP codes |
|---|---|
| Casper | 82601, 82604, 82609 |
| Alcova | 82620 |
| Arminto | 82630 |
| Edgerton | 82635 |
| Evansville | 82636 |
| Hiland | 82638 |
| Midwest | 82643 |
| Mills | 82644 |
| Natrona | 82646 |
| Powder River | 82648 |
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.