| County Name | Natrona County |
| FIPS Code | 56025 |
| Population | 75450 |
| Unemployment Rate | 5.0% |
| Time Zone: | Mountain Daylight Time |
List of All Zipcodes in Natrona County, Wyoming | |||||||
|---|---|---|---|---|---|---|---|
| ZIP Code | ZIP Code Name | Population | ZIP Type | ||||
| Casper | 27400 | Non-Unique | ||||
| Casper | 25882 | Non-Unique | ||||
| Casper | 15730 | Non-Unique | ||||
| Shirley Basin | N/A | Non-Unique | ||||
| Alcova | 210 | Non-Unique | ||||
| Arminto | 10 | Non-Unique | ||||
| Evansville | 3981 | Non-Unique | ||||
| Hiland | 17 | Non-Unique | ||||
| Kaycee | 805 | Non-Unique | ||||
| Midwest | 469 | Non-Unique | ||||
| Natrona | 20 | Non-Unique | ||||
| Casper | N/A | PO Box | ||||
| Casper | N/A | PO Box | ||||
| Edgerton | 207 | PO Box | ||||
| Mills | 1480 | PO Box | ||||
| Powder River | 56 | PO Box | ||||
| List of Counties that Border Natrona County, Wyoming |
|---|
| Albany, WY |
| Carbon, WY |
| Converse, WY |
| Fremont, WY |
| Johnson, WY |
| Natrona, WY |
| Washakie, WY |