🏆 Top 10 Wealthiest ZIP Codes in Wisconsin (by Income)

 

Here’s a current list of the top 10 wealthiest ZIP codes in Wisconsin, based on the most recent household income) — showing where average and median incomes are highest in the state:

1. 53097 — Mequon, WI
• Average household income: ~$225,641
• Median household income: ~$150,391

2. 53217 — Fox Point / Whitefish Bay / River Hills, WI
• Average household income: ~$194,650
• Median household income: ~$132,044

3. 53044 — Kohler, WI
• Average household income: ~$192,866
• Median household income: ~$130,750

4. 53017 — Colgate Area, WI
• Average household income: ~$188,412
• Median household income: ~$160,145

5. 53125 — Lake Geneva Area / Fontana-on-Geneva-Lake, WI
• Average household income: ~$187,883
• Median household income: ~$108,750

6. 53092 — Thiensville / Mequon, WI
• Average household income: ~$187,104
• Median household income: ~$126,431

7. 53122 — Elm Grove, WI
• Average household income: ~$185,285
• Median household income: ~$133,036

8. 53045 — Brookfield, WI
• Average household income: ~$171,088
• Median household income: ~$116,541

9. 53058 — Nashotah, WI
• Average household income: ~$171,055
• Median household income: ~$110,234

10. 53018 — Delafield, WI
• Average household income: ~$170,092
• Median household income: ~$130,511

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📌 Notes

• These rankings focus on household income (both average and median), a common proxy for local wealth.

• Most of the wealthiest ZIP codes are in suburban/exurban areas of Milwaukee and around Lake Country (including Lake Geneva and Waukesha County)