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 — RANKINGS/ID/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in Idaho

What this measures. Total adjusted gross income divided by the number of tax returns filed. This is income per RETURN, not per person or per household — a return can be a single filer or a married couple. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Average AGI per return
1 83340 Ketchum Blaine $346,281
2 83712 Boise Ada $207,802
3 83616 Eagle Ada $196,915
4 83702 Boise Ada $173,526
5 83333 Hailey Blaine $139,629
6 83716 Boise Elmore $139,311
7 83836 Hope Bonner $123,310
8 83833 Harrison Kootenai $121,680
9 83428 Irwin Bonneville $115,014
10 83714 Garden City Ada $112,359
11 83835 Hayden Kootenai $111,016
12 83638 McCall Valley $110,915
13 83814 Coeur d'Alene Kootenai $108,193
14 83669 Star Ada $107,729
15 83646 Meridian Ada $107,637
16 83642 Meridian Ada $107,063
17 83455 Victor Teton $105,700
18 83311 Albion Cassia $97,896
19 83452 Tetonia Teton $97,602
20 83706 Boise Ada $97,233
21 83404 Idaho Falls Bonneville $96,563
22 83876 Worley Kootenai $96,174
23 83703 Boise Ada $95,560
24 83449 Swan Valley Bonneville $95,557
25 83872 Viola Latah $94,916
26 83615 Donnelly Valley $94,814
27 83429 Island Park Fremont $94,738
28 83406 Idaho Falls Bonneville $93,569
29 83278 Stanley Custer $93,490
30 83644 Middleton Canyon $93,020
31 83341 Kimberly Twin Falls $92,828
32 83422 Driggs Teton $92,167
33 83323 Declo Cassia $90,741
34 83864 Sandpoint Bonner $90,531
35 83622 Garden Valley Boise $90,372
36 83860 Sagle Bonner $90,077
37 83801 Athol Kootenai $89,593
38 83313 Bellevue Blaine $88,351
39 83813 Cocolalla Bonner $85,196
40 83246 Lava Hot Springs Bannock $84,990
41 83871 Troy Latah $83,540
42 83619 Fruitland Payette $82,626
43 83832 Genesee Latah $82,549
44 83327 Fairfield Camas $82,530
45 83624 Grand View Owyhee $82,344
46 83245 Inkom Bannock $82,065
47 83815 Coeur d'Alene Kootenai $81,799
48 83554 White Bird Idaho $81,442
49 83442 Rigby Jefferson $81,441
50 83236 Firth Bingham $81,253

Showing the top 50 of 197 ZIP codes in Idaho that have this figure and meet the threshold above. 83340 ranks 1st at $346,281, against $81,253 in 50th place.

Other rankings for Idaho

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Average Income in Idaho.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/id/highest-average-income

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