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/CANYON

Canyon County, ID ZIP codes

There are 14 ZIP codes in Canyon County, ID, in 8 towns, from 83605 to 83687. The largest are 83686 (Nampa), 83687 (Nampa) and 83605 (Caldwell). 1 more crosses into it from a neighbouring county: 83641.

The county seat is Caldwell.

ZIP codes
14
Partly in it
1 more
Towns
8
County seat
Caldwell
County FIPS
16027
State
Idaho
Population
250,790
Median household income
$76,488
Land area
587 sq mi
Area codes
208, 986
Metro area
Boise City

Canyon County ZIP codes by town

Caldwell (county seat)
83605, 83606, 83607

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 Canyon County

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

Map of Canyon County ZIP codes

The ZIP codes of Canyon 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.

Canyon County in numbers

About 250,790 people live in Canyon County, in 86,069 households, the 2nd most populous of Idaho's 44 counties. The median household income is $76,488 a year, about the same as the Idaho median of $77,800 (US: $80,734). The median owner-occupied home is valued at $390,000 (7% below the Idaho median), and median gross rent is $1,347 a month. The median age is 34.9; 23.2% of adults 25 and over hold a bachelor's degree or higher (31.8% across Idaho); the average commute takes 25 minutes.

Population250,790Canyon250,790
Households86,069Canyon86,069
Median age34.9Canyon34.9Idaho37.3US 38.9
Median household income$76,488Canyon$76,488Idaho$77,800US $80,734
Median home value$390,000Canyon$390,000Idaho$418,600US $332,700
Median gross rent$1,347Canyon$1,347Idaho$1,238US $1,413
Bachelor's degree or higher23.2%Canyon23.2%Idaho31.8%US 35.7%
Mean commute25.3 minCanyon25.3 minIdaho21.6 minUS 26.4 min
Population density427 / sq miCanyon427 / 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 Canyon County

Largest towns in Canyon County
TownZIP codesPopulation
Nampa 5 110,319
Caldwell 3 66,516
Middleton 1 10,649
Wilder 1 2,074
Parma 1 1,928
Greenleaf 1 1,482
Notus 1 573

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 Canyon County.

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

Every ZIP code in Canyon County, with figures

ZIP codes in Canyon County
ZIP City Type Population Median income Median home
83605 Caldwell , ID Standard 41,325 $68,427 $346,100
83606 Caldwell , ID No street area — — —
83607 Caldwell , ID Standard 35,491 $85,399 $426,700
83626 Greenleaf , ID Standard 1,935 $69,531 $353,900
83630 Huston , ID No street area — — —
83644 Middleton , ID Standard 16,293 $97,293 $456,400
83651 Nampa , ID Standard 38,121 $69,914 $338,900
83652 Nampa , ID No street area — — —
83653 Nampa , ID No street area — — —
83656 Notus , ID Standard 560 $64,750 $286,000
83660 Parma , ID Standard 6,434 $63,653 $417,900
83676 Wilder , ID Standard 5,105 $67,176 $362,100
83686 Nampa , ID Standard 60,993 $86,518 $430,200
83687 Nampa , ID Standard 43,135 $76,682 $403,600

Cite this page

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

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