Natrona County, Wyoming
Natrona County is a county in Wyoming. Its county FIPS code is 56025. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 56025
- Representative coordinates
- 42.977645, -106.768219
- County type
- County
- County seat or government
- Casper
- Resident population, July 2025
- 80,526
- Land area
- 13,831.928 km²
- Water area
- 90.97 km²
- State
- Wyoming
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Natrona County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
82601 · 82604 · 82609 · 82620 · 82630 · 82635 · 82636 · 82638 · 82639 · 82642 · 82643 · 82644 · 82646 · 82648
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Natrona County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Alcova CDP, WY
- Antelope Hills CDP, WY
- Bar Nunn town, WY
- Bessemer Bend CDP, WY
- Brookhurst CDP, WY
- Casper city, WY
- Casper Mountain CDP, WY
- Edgerton town, WY
- Evansville town, WY
- Hartrandt CDP, WY
- Homa Hills CDP, WY
- Meadow Acres CDP, WY
- Midwest town, WY
- Mills town, WY
- Mountain View CDP, WY
- Powder River CDP, WY
- Red Butte CDP, WY
- Vista West CDP, WY
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.