Natrona County, Wyoming
Natrona County, Wyoming, has 80,526 residents (July 2025 estimate). Its county seat is Casper. It uses Mountain Time and covers 5,341 sq mi (13,832 km²) of land.
- Resident population, July 2025
- 80,526
- Land area
- 5,341 sq mi (13,832 km²)
- County seat or government
- Casper
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Median household income
- $72,156 ± $2,040
- Median home value
- $273,000 ± $7,967
- Median rent, with utilities
- $1,016 ± $45
- Homes lived in by their owners
- 73.7% ± 1.2 points
- County type
- County
- Metro or micro area
- Casper, WY metro areaCentral county
- Water area
- 35.1 sq mi (91 km²)
- State
- Wyoming
- County code (FIPS)
- 56025
- Coordinates (central point)
- 42.977645, -106.768219
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Natrona County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Mountain TimeAmerica/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 8260427,487 people
- 8260126,721 people
- 8260918,714 people
- 826364,259 people
- 826442,098 people
- 82639782 people
- 82643267 people
- 82620164 people
- 82638116 people
- 8263587 people
- 8264233 people
- 8264824 people
14 ZIP Code areas overlap Natrona County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address 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.
School districts in Natrona County, largest first
- Natrona County School District 179,977 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Casper, Wyoming (city)58,839 people
- Mills, Wyoming (town)4,390 people
- Bar Nunn, Wyoming (town)3,008 people
- Evansville, Wyoming (town)2,779 people
- Hartrandt, Wyoming (CDP)975 people
- Vista West, Wyoming (CDP)953 people
- Red Butte, Wyoming (CDP)580 people
- Casper Mountain, Wyoming (CDP)435 people
- Midwest, Wyoming (town)267 people
- Homa Hills, Wyoming (CDP)235 people
- Bessemer Bend, Wyoming (CDP)143 people
- Meadow Acres, Wyoming (CDP)124 people
All 18
- Alcova, Wyoming (CDP)99 people
- Brookhurst, Wyoming (CDP)99 people
- Edgerton, Wyoming (town)87 people
- Antelope Hills, Wyoming (CDP)72 people
- Mountain View, Wyoming (CDP)0 people
- Powder River, Wyoming (CDP)0 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Converse County, Wyoming63 mi east
- Johnson County, Wyoming74 mi north
- Washakie County, Wyoming77 mi northwest
- Carbon County, Wyoming88 mi south
- Fremont County, Wyoming93 mi west
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 where you are now, check its ZIP area, or check the time zone where you are.