🏆 Top 10 Wealthiest ZIP Codes in Maine (2025–2026 Data)

 

Here’s a ranking of the wealthiest ZIP codes in Maine — based on a combination of income and property value metrics (e.g., adjusted gross income, median household income, and home price data):

1. 04110 – Cumberland Foreside

   • Often ranked Maine’s most affluent ZIP with high adjusted income and extremely high property values.

2. 04855 – Port Clyde

   • Tops the state in median household income (tied for #1).

3. 04006 – Biddeford Pool

   • Tied for highest median household income in Maine.

4. 04107 – Cape Elizabeth

   • High incomes and strong property values make this one of Maine’s wealthiest suburbs.

5. 04105 – Falmouth

   • Among the top ZIPs in median income and wealthy suburb of Portland.

6. 04021 – Cumberland Center

   • Higher-than-average household income near Portland.

7. 03905 – Kittery Point

   • Strong median household income; luxury coastal community.

8. 04097 – North Yarmouth

   • Higher income area with scenic residential appeal.

9. 04096 – Yarmouth

   • One of Maine’s top ZIPs for property values (and quality of life).

10. 04859 – Deer Isle / related area

    • Among the ZIPs with the highest median property prices in the state.

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📊 Notes on Ranking Criteria

These ZIPs are considered “wealthiest” based on one or more of the following:
• Adjusted Gross Income rankings (IRS data)
• Median household income levels from recent ACS estimates
• Median home/property values — places with higher home prices tend to be affluent.