All InfoEconomyMaine

Economy in Maine

Economy data across 370 ZIP codes in Maine

Maine Snapshot

$70

Avg AGI per Return in Maine

687,870

Total Tax Returns in Maine

370

ZIP Codes With Income Data

Last updated May 2, 2026.

How Maine compares

Maine

$70

National Average

$83

Maine's avg agi per return is 16.3% lower than the national average.

These are the 10 highest-income ZIP codes in Maine, 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 Maine

#ZIP CodeCityAvg AGI / Return
104110$300
204105Falmouth$206
304107South Portland$201
404096Yarmouth$172
504021Cumberland Center$156
604017$141
703905Kittery Point$137
804097$133
904568$131
1004074Oak Hill$129

FAQ

How many ZIP codes does Mubboo track in Maine?

Mubboo tracks 370 ZIP codes in Maine via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.

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

Maine's average adjusted gross income per tax return is lower the national average. See the "How Maine 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 Maine data:

← All Economy data across America

By Mubboo Editorial Team

Last reviewed May 2, 2026


Data sources

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

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