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Fremont County, Wyoming ZIP codes

13 ZIP codes are in Fremont County. It's part of the Riverton, WY micro area.

ZIP codes
13
Population in these ZIPs
39,533
Avg. median income
$65,200population-weighted
Cities & towns
13
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ZIP codes in Fremont County

ZIP codes in Fremont County
ZIP codeCityPopulationMedian incomeTypical home value
82310Jeffrey City0——
82501Riverton19,413$60,449$259,500
82510Arapahoe875$55,000$162,500
82512Crowheart294——
82513Dubois1,627$66,332$453,600
82514Fort Washakie1,192$31,667$92,200
82515Hudson437$53,000$187,300
82516Kinnear299$40,208$354,700
82520Lander13,266$76,959$388,500
82523Pavillion945$57,188$348,100
82524 PO BoxSaint Stephens———
82642Lysite33$80,000—
82649Shoshoni1,152$69,375$198,200

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

Cities and towns in Fremont County

Nearby counties

Frequently asked questions

How many ZIP codes are in Fremont County, Wyoming?

13 ZIP codes are mainly in Fremont County.

What cities are in Fremont County?

ZIP codes in Fremont County use the city names Arapahoe, Crowheart, Dubois, Fort Washakie, Hudson, Jeffrey City, Kinnear, Lander, Lysite, Pavillion, Riverton and Saint Stephens and others.

What metro area is Fremont County in?

Fremont County is part of the Riverton, WY micropolitan statistical area.