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 — METRO/36620-ONTARIO

Ontario, OR-ID

ZIP codes
17
CBSA code
36620
Type
Micropolitan statistical area
States
ID, NV and OR
Population
58,725
Combined area
Boise City-Mountain Home-Ontario, ID-OR

Metro areas are defined by the Office of Management and Budget as whole counties, so every ZIP code in a member county is listed here.

Ontario in numbers

About 58,725 people live in the Ontario micropolitan area. The median household income is $62,568 a year (US: $80,734). The median owner-occupied home is valued at $308,900, and median gross rent is $832 a month.

Population58,725Ontario58,725
Median household income$62,568Ontario$62,568US $80,734
Median home value$308,900Ontario$308,900US $332,700
Median gross rent$832Ontario$832US $1,413

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.

Its 2 counties

Counties in Ontario, OR-ID
CountyZIP codesPopulationMedian income
Malheur County, OR 14 31,954 $54,519
Payette County, ID 3 26,771 $67,673

ZIP codes in Ontario

ZIP codes in Ontario, OR-ID
ZIP City Type Population Median income Median home
83619 Fruitland , ID Standard 8,823 $66,267 $348,300
83655 New Plymouth , ID Standard 5,748 $84,542 $371,300
83661 Payette , ID Standard 11,105 $59,351 $302,300
89421 Mc Dermitt , NV Standard 330 $26,000 $71,400
97901 Adrian , OR Standard 954 $45,500 $250,000
97902 Arock , OR Standard 17 — —
97903 Brogan , OR Standard 48 $117,778 $140,000
97906 Harper , OR Standard 360 $47,054 $295,800
97908 Ironside , OR Standard 30 — $98,100
97909 Jamieson , OR Standard 24 — —
97910 Jordan Valley , OR Standard 645 $73,317 $227,400
97911 Juntura , OR Standard 42 $27,500 —
97913 Nyssa , OR Standard 5,520 $55,921 $240,600
97914 Ontario , OR Standard 19,713 $50,857 $249,200
97917 Riverside , OR Standard 50 $130,625 —
97918 Vale , OR Standard 4,567 $63,342 $298,100
97920 Westfall , OR Standard 34 — —

Cite this page

zipcodes.pro. “Ontario, OR-ID.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/metro/36620-ontario

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