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zipcodes.pro — STATE/WY/COUNTY/LINCOLN

Lincoln County, WY ZIP codes

There are 15 ZIP codes in Lincoln County, WY, in 15 towns, from 83101 to 83128. The largest are 83110 (Afton), 83127 (Thayne) and 83101 (Kemmerer).

The county seat is Kemmerer.

ZIP codes
15
Towns
15
County seat
Kemmerer
County FIPS
56023
State
Wyoming
Population
20,486
Median household income
$89,330
Land area
4,075 sq mi

Lincoln County ZIP codes by town

Kemmerer (county seat)
83101

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Lincoln County ZIP codes

831018311083111831128311483116831188311983121831228312383124831268312783128

The ZIP codes of Lincoln County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Lincoln County in numbers

About 20,486 people live in Lincoln County, in 8,324 households, the 11th most populous of Wyoming's 23 counties. The median household income is $89,330 a year, 17% above the Wyoming median of $76,176 (US: $80,734). The median owner-occupied home is valued at $372,600 (20% above the Wyoming median), and median gross rent is $960 a month. The median age is 42.7; 26.0% of adults 25 and over hold a bachelor's degree or higher (30.6% across Wyoming); the average commute takes 25 minutes.

Population20,486Lincoln20,486
Households8,324Lincoln8,324
Median age42.7Lincoln42.7Wyoming39.1US 38.9
Median household income$89,330Lincoln$89,330Wyoming$76,176US $80,734
Median home value$372,600Lincoln$372,600Wyoming$309,700US $332,700
Median gross rent$960Lincoln$960Wyoming$992US $1,413
Bachelor's degree or higher26.0%Lincoln26.0%Wyoming30.6%US 35.7%
Mean commute25.4 minLincoln25.4 minWyoming18.8 minUS 26.4 min
Population density5 / sq miLincoln5 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Lincoln County

Largest towns in Lincoln County
TownZIP codesPopulation
Kemmerer 1 2,972
Afton 1 2,908
Alpine 1 1,222
Grover 1 929
Thayne 1 732
Smoot 1 723
Diamondville 1 665
Bedford 1 482
Etna 1 433
Cokeville 1 370
La Barge 1 337
Auburn 1 284
Fairview 1 130
Opal 1 77

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Lincoln County.

Not sure you are in Lincoln County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Lincoln County, with figures

ZIP codes in Lincoln County
ZIP City Type Population Median income Median home
83101 Kemmerer , WY Standard 3,731 $76,947 $191,200
83110 Afton , WY Standard 5,198 $86,731 $381,100
83111 Auburn , WY Standard 284 $131,000 —
83112 Bedford , WY Standard 1,033 $158,913 $570,800
83114 Cokeville , WY Standard 635 $85,536 $212,500
83116 Diamondville , WY Standard 619 $67,019 $133,000
83118 Etna , WY Standard 433 $69,508 $359,500
83119 Fairview , WY Standard 31 — —
83121 Frontier , WY Standard 0 — —
83122 Grover , WY Standard 895 — $422,100
83123 La Barge , WY Standard 679 $160,250 $306,900
83124 Opal , WY Standard 96 $87,500 —
83126 Smoot , WY Standard 837 $111,172 $463,900
83127 Thayne , WY Standard 3,812 $87,743 $482,700
83128 Alpine , WY Standard 2,033 $112,476 $868,600

Cite this page

zipcodes.pro. “Lincoln County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/wy/county/lincoln

Underlying data is public domain or openly licensed — sources, vintages and licences.