ZIP code · Rock Springs · Wyoming · United States

ZIP code 82901 — Rock Springs

ZIP code 82901 serves Rock Springs, Wyoming.

Postal code
82901
Single source Value from one source, not cross-checked.
City
Rock Springs
County
Sweetwater FIPS 56037
State
Wyoming
Country
United States
Coordinates
41.6060, -109.2300 — precision precise (locality)
View on OpenStreetMap
Population
27,471 (ZCTA, ACS 5-year)
Population density
25 / sq mi
Land area
1,077.5 sq mi (2,790.6 km²) (ZCTA, ACS 5-year)
Median household income
$74,107
Per-capita income
$42,163
Median age
36.7
Households
11,237
Housing units
12,696
Median home value
$238,800
Median gross rent
$918 / month
Congressional district
WY At-large (119th Congress)
USDA hardiness zone
5b (-15 to -10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Denver (UTC−7 / UTC−6 DST)
Area code
307
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Nearby localities

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Jan (avg low 12°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F353849576779868475614533
Avg low °F121523303745535141312112
Precip in0.50.40.61.11.90.80.90.91.21.00.70.5

NOAA 1991–2020 climate normals from the nearest station: ROCK SPRINGS FIRE DEPT (2.0 mi) · NOAA NCEI

Places in ZIP 82901

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page