📊 Top 10 Wealthiest ZIP Codes in Texas (by Median Household Income)

 

Here’s a summary of the top 10 wealthiest ZIP codes in Texas based mainly on median household income (a common measure of local affluence). These rankings draw on recent census estimates and income data:

Rank	ZIP Code	City/Area	Approx. Median Household Income
1	76092	Southlake	~$250,000 +
2	77010	Downtown Houston area	~$221,000 +
3	77401	Bellaire (Houston area)	~$215,000 +
4	77005	River Oaks/West University Place (Houston)	~$213,000 +
5	78739	West Austin/Circle C Ranch (Austin)	~$206,000 +
6	76452	(Small affluent area)	~$197,600 +
7	76034	Colleyville (DFW area)	~$196,000 +
8	78733	Northwest Austin	~$193,800 +
9	76005	Viridian/North Arlington area	~$191,250 +
10	78732	Steiner Ranch (Austin)	~$187,300 +

💡 Notes on the list:

• ZIP codes like 76092 (Southlake) and 77010 (Downtown Houston) consistently top income-based rankings statewide.

• Several ZIPs around Houston, Austin, and Dallas–Fort Worth appear, reflecting concentrated wealth in those metros.

• Other high-income areas like Highland Park (75205) and University Park (75225) are also affluent but may vary slightly in rank depending on the metric or data source used. 

🏆 Top 10 Wealthiest ZIP Codes in Tennessee

 

Here are the top 10 wealthiest ZIP codes in Tennessee based primarily on household income and economic data (2024–2026 estimates):

Rank	ZIP Code	Area	Notable Wealth Indicator
1	37350	Lookout Mountain	Highest median household income in the state (over ~$181,000)
2	38139	Germantown	One of the richest ZIP codes by median income (≈ $174,000)
3	37046	College Grove / Williamson County	Extremely affluent area with top home values (often #1 most expensive)
4	37027	Brentwood	High-income suburb of Nashville (~$148,000+)
5	37220	Nashville (Belle Meade area)	Very high median household income (~$150,000)
6	37215	Nashville (Green Hills / Forest Hills)	High income & expensive real estate (~$148,000)
7	37069	Franklin	Well-off suburb with significant incomes (~$141,000)
8	37135	Nolensville	Affluent suburb with relatively high income (~$140,000)
9	38028	Eads	Higher income ZIP near Memphis (~$136,000)
10	38017	Collierville	Wealthy Memphis suburb with a strong income profile

💡 Notes:

• The ranking blends information on median household income, home value, and economic prominence. Different sources (census vs tax return data) emphasize slightly different lists, but all consistently show these ZIP codes among the wealthiest in Tennessee.

• Some other affluent areas — like parts of Nashville (37205) for *Memphis suburbs — also show high incomes but just outside the top 10 statewide in the most recent available income data.

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📈 Top 10 Wealthiest ZIP Codes in South Dakota (by Income / Wealth)

 

Here are the top 10 wealthiest ZIP codes in South Dakota based on available income and adjusted gross income (AGI) data (wealth rankings reflect income/AGI rather than only home values or cost of living):

1. 57767 (Owanka, SD) – Extremely high median household income (~$250,001+).

2. 57017 (Colman, SD) – Highest AGI in the state per IRS data.

3. 57049 (North Sioux City, SD) – Strong AGI and income, including Dakota Dunes area.

4. 57479 (Warner, SD) – High AGI with elevated median household income.

5. 57108 (Sioux Falls, SD – Lincoln County area) – Top Sioux Falls ZIP for income.

6. 57105 (Sioux Falls, SD) – Sioux Falls suburban ZIP with higher income.

7. 57104 (Sioux Falls, SD) – Another higher-income Sioux Falls ZIP by AGI.

8. 57702 (Rapid City, SD) – Pennington County area with strong AGI.

9. 57003 (Baltic, SD) – Among the top in median household income statewide.

10. 57032 (Harrisburg, SD) – Higher median household income near Sioux Falls.

Notes on Rankings

• Income vs. Wealth: "Wealthiest" here is based on adjusted gross income (AGI) and median household income, both common proxies for overall economic status.

• Owanka’s ZIP (57767) stands out with a very high median household income relative to most of South Dakota.

• Sioux Falls and nearby suburbs (57108, 57105, 57104, 57032) appear frequently due to larger populations with higher incomes.