All InfoEconomyCalifornia

Economy in California

Economy data across 1,475 ZIP codes in California

California Snapshot

$115

Avg AGI per Return in California

17,834,770

Total Tax Returns in California

1,475

ZIP Codes With Income Data

Last updated May 2, 2026.

How California compares

California

$115

National Average

$83

California's avg agi per return is 38.3% higher than the national average.

These are the 10 highest-income ZIP codes in California, ranked by average adjusted gross income per tax return from IRS Statistics of Income. Click any ZIP code for the full local snapshot.

Highest Income ZIP Codes in California

#ZIP CodeCityAvg AGI / Return
194301Palo Alto$1,641
294304Palo Alto$1,604
394027Atherton$1,588
490067Los Angeles$1,268
594028Portola Valley$981
694104San Francisco$900
794920Tiburon$866
894022Los Altos Hills$840
993108Montecito$763
1090272Los Angeles$707

FAQ

How many ZIP codes does Mubboo track in California?

Mubboo tracks 1,475 ZIP codes in California via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.

How does California's average adjusted gross income per tax return compare nationally?

California's average adjusted gross income per tax return is higher the national average. See the "How California compares" callout above for the precise side-by-side comparison.

How fresh is this data?

Mubboo refreshes each data source on its native cadence — HUD Fair Market Rents annually (October), Tax Foundation tables annually, and federal datasets per their published schedules. Each page caches for 24 hours via ISR. See our methodology page for details.

Data sources: IRS Statistics of Income, Census ZIP Business Patterns, BLS Quarterly Census of Employment and Wages, BLS Local Area Unemployment Statistics. Mubboo refreshes each source on its native cadence (HUD annually, Tax Foundation annually, etc.). See our full methodology →

More California data:

← All Economy data across America

By Mubboo Editorial Team

Last reviewed May 2, 2026


Data sources

State-level aggregates for California. Individual ZIP-code values may differ — use the ZIP search above for granular data.

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