Washington Snapshot
$97
Avg AGI per Return in Washington
3,655,210
Total Tax Returns in Washington
498
ZIP Codes With Income Data
Last updated May 2, 2026.
How Washington compares
Washington
$97
National Average
$83
Washington's avg agi per return is 15.9% higher than the national average.
These are the 10 highest-income ZIP codes in Washington, ranked by average adjusted gross income per tax return from IRS Statistics of Income. Click any ZIP code for the full local snapshot.
FAQ
How many ZIP codes does Mubboo track in Washington?
Mubboo tracks 498 ZIP codes in Washington via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.
How does Washington's average adjusted gross income per tax return compare nationally?
Washington's average adjusted gross income per tax return is higher the national average. See the "How Washington 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 Washington data: