Rock Springs, WY micro area ZIP codes
The Rock Springs, WY micropolitan statistical area (CBSA 40540) covers 1 county in Wyoming and 12 ZIP codes.
- ZIP codes
- 12
- Population
- 41,542
- Avg. median income
- $75,700population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Rock Springs, WY area
ZIP codes in the Rock Springs, WY area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 82322 | Bairoil | Sweetwater County | 149 | $40,250 | $23,700 |
| 82336 | Wamsutter | Sweetwater County | 269 | $57,298 | $98,700 |
| 82901 | Rock Springs | Sweetwater County | 27,198 | $69,954 | $290,400 |
| 82902 PO Box | Rock Springs | Sweetwater County | — | — | — |
| 82929 | Little America | Sweetwater County | 19 | — | — |
| 82932 | Farson | Sweetwater County | 997 | $87,632 | $420,800 |
| 82934 | Granger | Sweetwater County | 285 | $83,375 | $117,000 |
| 82935 | Green River | Sweetwater County | 12,012 | $87,993 | $293,800 |
| 82938 | Mc Kinnon | Sweetwater County | 221 | $105,323 | $437,100 |
| 82942 | Point Of Rocks | Sweetwater County | 9 | — | — |
| 82943 | Reliance | Sweetwater County | 187 | — | $150,200 |
| 82945 | Superior | Sweetwater County | 196 | $68,036 | $90,200 |
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
Frequently asked questions
How many ZIP codes are in the Rock Springs, WY micro area?
12 ZIP codes, based on each ZIP code's main county.
Which counties make up the Rock Springs, WY area?
Sweetwater County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).