Casper, WY ZIP codes
Casper, Wyoming has 5 ZIP codes, including 2 PO Box ZIPs. They are in Natrona County.
- Population in these ZIPs
- 72,922
- Avg. median income
- $72,800population-weighted
- Typical home value
- $317,400population-weighted
- Metro area
- Casper, WY
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Casper, WY ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 82601 | Natrona County | 26,721 | $67,642 | $290,000 |
| 82602 PO Box | Natrona County | — | — | — |
| 82604 | Natrona County | 27,487 | $79,118 | $320,900 |
| 82605 PO Box | Natrona County | — | — | — |
| 82609 | Natrona County | 18,714 | $71,010 | $351,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Casper
Frequently asked questions
What is the ZIP code for Casper, WY?
Casper, WY has 5 ZIP codes: 82601, 82602, 82604, 82605 and 82609.
What county is Casper, Wyoming in?
Casper ZIP codes are in Natrona County.
Which Casper ZIP codes are PO Boxes?
82602 and 82605 are PO Box or single-organization ZIP codes; they have no residential delivery area.