Wealth in the United States is concentrated in certain counties that serve as hubs for economic growth, innovation, and high standards of living. From Silicon Valley’s tech-driven prosperity to the suburban affluence of Northern Virginia, these areas boast some of the highest median household incomes in the country. Leading the pack is Loudoun County, Virginia, with a staggering median household income of $170,463. This list highlights the top 25 richest counties, showcasing the regions where wealth and opportunity intersect.
| Rank | County, State | Median Household Income |
|---|---|---|
| 1 | Loudoun County, VA | $170,463 |
| 2 | Falls Church City, VA | $164,536 |
| 3 | Santa Clara County, CA | $153,792 |
| 4 | San Mateo County, CA | $149,907 |
| 5 | Fairfax County, VA | $145,165 |
Complete List of 25 Wealthiest Counties
The wealthiest counties reflect diverse geographic regions, from the East Coast’s historic centers of government and business to California’s technology-driven communities. These areas not only benefit from high median household incomes but also boast strong property values and vibrant local economies. Below, you’ll find the full list of the 25 richest counties in the United States./
1. Loudoun County, Virginia
- Median Household Income: $170,463
- Median Home Value: $657,000
- Total Population: 420,773
2. Falls Church City, Virginia
- Median Household Income: $164,536
- Median Home Value: $938,500
- Total Population: 14,576
3. Santa Clara County, California
- Median Household Income: $153,792
- Median Home Value: $1,316,800
- Total Population: 1,916,831
4. San Mateo County, California
- Median Household Income: $149,907
- Median Home Value: $1,441,300
- Total Population: 754,250
5. Fairfax County, Virginia
- Median Household Income: $145,165
- Median Home Value: $666,900
- Total Population: 1,145,354
6. Marin County, California
- Median Household Income: $142,019
- Median Home Value: $1,291,800
- Total Population: 260,485
7. Howard County, Maryland
- Median Household Income: $140,971
- Median Home Value: $551,300
- Total Population: 332,011
8. Douglas County, Colorado
- Median Household Income: $139,010
- Median Home Value: $635,100
- Total Population: 360,206
9. Nassau County, New York
- Median Household Income: $137,709
- Median Home Value: $633,800
- Total Population: 1,389,160
10. Arlington County, Virginia
- Median Household Income: $137,387
- Median Home Value: $833,300
- Total Population: 235,845
11. San Francisco County, California
- Median Household Income: $136,689
- Median Home Value: $1,348,700
- Total Population: 851,036
12. Los Alamos County, New Mexico
- Median Household Income: $135,801
- Median Home Value: $412,700
- Total Population: 19,253
13. Nantucket County, Massachusetts
- Median Household Income: $135,590
- Median Home Value: $1,265,600
- Total Population: 14,065
14. Hunterdon County, New Jersey
- Median Household Income: $133,534
- Median Home Value: $478,600
- Total Population: 129,099
15. Somerset County, New Jersey
- Median Household Income: $131,948
- Median Home Value: $489,500
- Total Population: 344,978
16. Forsyth County, Georgia
- Median Household Income: $131,660
- Median Home Value: $451,100
- Total Population: 253,225
17. Morris County, New Jersey
- Median Household Income: $130,808
- Median Home Value: $531,800
- Total Population: 508,816
18. Fairfax City, Virginia
- Median Household Income: $128,708
- Median Home Value: $649,600
- Total Population: 24,242
19. Calvert County, Maryland
- Median Household Income: $128,078
- Median Home Value: $418,900
- Total Population: 93,244
20. Stafford County, Virginia
- Median Household Income: $128,036
- Median Home Value: $431,900
- Total Population: 157,606
21. Summit County, Utah
- Median Household Income: $126,392
- Median Home Value: $895,100
- Total Population: 42,524
22. Williamson County, Tennessee
- Median Household Income: $125,943
- Median Home Value: $611,100
- Total Population: 248,897
23. Montgomery County, Maryland
- Median Household Income: $125,583
- Median Home Value: $588,900
- Total Population: 1,056,910
24. Elbert County, Colorado
- Median Household Income: $124,360
- Median Home Value: $623,300
- Total Population: 26,457
25. Delaware County, Ohio
- Median Household Income: $123,995
- Median Home Value: $393,000
- Total Population: 216,074
