Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/ID/COUNTY/LEMHI

Lemhi County, ID ZIP codes

There are 10 ZIP codes in Lemhi County, ID, in 10 towns, from 83229 to 83469. The largest are 83467 (Salmon), 83462 (Carmen) and 83466 (North Fork). 1 more crosses into it from a neighbouring county: 83226.

The county seat is Salmon.

ZIP codes
10
Partly in it
1 more
Towns
10
County seat
Salmon
County FIPS
16059
State
Idaho
Population
8,249
Median household income
$53,202
Land area
4,564 sq mi

Lemhi County ZIP codes by town

Salmon (county seat)
83467

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.

ZIP codes partly in Lemhi County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Lemhi County.

Map of Lemhi County ZIP codes

The ZIP codes of Lemhi 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.

Lemhi County in numbers

About 8,249 people live in Lemhi County, in 3,458 households, the 33rd most populous of Idaho's 44 counties. The median household income is $53,202 a year, 32% below the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $326,100 (22% below the Idaho median), and median gross rent is $754 a month. The median age is 53.3; 24.1% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 16 minutes.

Population8,249Lemhi8,249
Households3,458Lemhi3,458
Median age53.3Lemhi53.3Idaho37.3US 38.9
Median household income$53,202Lemhi$53,202Idaho$77,800US $80,734
Median home value$326,100Lemhi$326,100Idaho$418,600US $332,700
Median gross rent$754Lemhi$754Idaho$1,238US $1,413
Bachelor's degree or higher24.1%Lemhi24.1%Idaho31.8%US 35.7%
Mean commute15.5 minLemhi15.5 minIdaho21.6 minUS 26.4 min
Population density2 / sq miLemhi2 / 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 Lemhi County

Largest towns in Lemhi County
TownZIP codesPopulation
Salmon 1 3,203
Carmen 1 667
North Fork 1 197
Tendoy 1 191
Leadore 1 135
May 1 112
Lemhi 1 104
Gibbonsville 1 66
Shoup 1 25

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 Lemhi County.

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

Every ZIP code in Lemhi County, with figures

ZIP codes in Lemhi County
ZIP City Type Population Median income Median home
83229 Cobalt , ID No street area — — —
83253 May , ID Standard 112 — —
83462 Carmen , ID Standard 667 — $456,100
83463 Gibbonsville , ID Standard 66 $58,000 $327,600
83464 Leadore , ID Standard 296 $40,625 $216,200
83465 Lemhi , ID Standard 104 $64,464 $425,000
83466 North Fork , ID Standard 197 — $520,000
83467 Salmon , ID Standard 6,590 $53,917 $316,700
83468 Tendoy , ID Standard 191 $85,250 $364,300
83469 Shoup , ID Standard 25 — —

Cite this page

zipcodes.pro. “Lemhi County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/id/county/lemhi

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