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/CA/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in California

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 94301 Palo Alto Santa Clara $1,641,172
2 94304 Palo Alto Santa Clara $1,603,575
3 94027 Atherton San Mateo $1,587,518
4 90067 Los Angeles Los Angeles $1,267,630
5 94028 Portola Valley San Mateo $980,737
6 94104 San Francisco San Francisco $900,235
7 94920 Belvedere Tiburon Marin $865,678
8 94022 Los Altos Santa Clara $839,579
9 93108 Santa Barbara Santa Barbara $763,416
10 90272 Pacific Palisades Los Angeles $706,989
11 91008 Duarte Los Angeles $699,143
12 90402 Santa Monica Los Angeles $665,115
13 90210 Beverly Hills Los Angeles $664,872
14 91436 Encino Los Angeles $646,357
15 92625 Corona Del Mar Orange $622,802
16 92657 Newport Coast Orange $619,174
17 94024 Los Altos Santa Clara $611,575
18 90077 Los Angeles Los Angeles $599,101
19 95030 Los Gatos Santa Clara $595,787
20 94111 San Francisco San Francisco $549,276
21 90212 Beverly Hills Los Angeles $545,329
22 94129 San Francisco San Francisco $544,131
23 94062 Redwood City San Mateo $532,753
24 95032 Los Gatos Santa Clara $518,785
25 94010 Burlingame San Mateo $517,004
26 95070 Saratoga Santa Clara $496,923
27 90049 Los Angeles Los Angeles $467,962
28 93953 Pebble Beach Monterey $467,213
29 94563 Orinda Contra Costa $458,661
30 94025 Menlo Park San Mateo $457,225
31 94507 Alamo Contra Costa $456,387
32 90024 Los Angeles Los Angeles $455,704
33 92091 Rancho Santa Fe San Diego $437,338
34 94904 Greenbrae Marin $427,182
35 90211 Beverly Hills Los Angeles $425,034
36 90266 Manhattan Beach Los Angeles $420,034
37 94123 San Francisco San Francisco $415,278
38 90274 Palos Verdes Peninsula Los Angeles $397,887
39 92661 Newport Beach Orange $394,758
40 92660 Newport Beach Orange $380,740
41 94549 Lafayette Contra Costa $380,383
42 94105 San Francisco San Francisco $379,746
43 90265 Malibu Los Angeles $378,973
44 92014 Del Mar San Diego $377,371
45 94705 Berkeley Alameda $376,219
46 94941 Mill Valley Marin $371,880
47 94306 Palo Alto Santa Clara $370,171
48 91108 San Marino Los Angeles $369,276
49 91011 La Canada Flintridge Los Angeles $362,889
50 92651 Laguna Beach Orange $359,707

Showing the top 50 of 1,429 ZIP codes in California that have this figure and meet the threshold above. 94301 ranks 1st at $1,641,172, against $359,707 in 50th place.

Other rankings for California

Cite this page

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

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