Top 10 wealthiest counties (median household income)
Loudoun County leads with $178,707. The 10 US counties with the highest median household income, from US Census ACS 2023 5-year estimates.
| # | Name | Median HH income |
|---|---|---|
| 1 | Loudoun County · VA | $178,707 |
| 2 | Santa Clara County · CA | $159,674 |
| 3 | San Mateo County · CA | $156,000 |
| 4 | Falls Church city · VA | $154,734 |
| 5 | Fairfax County · VA | $150,113 |
| 6 | Howard County · MD | $146,982 |
| 7 | Douglas County · CO | $145,737 |
| 8 | Nassau County · NY | $143,408 |
| 9 | Los Alamos County · NM | $143,188 |
| 10 | Marin County · CA | $142,785 |
Methodology
Median household income (ACS 2023 5-year, table B19013). Universe: 3,137 US counties with reported income > 0.
As of 2026-05-28. ACS 2023 5-year + CBP 2022.
Related rankings
- Top 10 lowest-income counties — #1 Randolph County ($25,425)
- Top 10 most populous counties — #1 Los Angeles County (9,848,406)
- Top 10 highest median home value counties — #1 San Mateo County ($1,494,500)
- Top 10 lowest median home value counties — #1 Todd County ($45,200)
- Top 10 most rural counties (lowest population) — #1 Kenedy County (52)
- Top 10 cheapest-rent states — #1 West Virginia ($866/mo)
- Top 10 most-expensive-rent states — #1 Hawaii ($2,057/mo)
- Top 10 oldest-population states — #1 Florida (42.2 yrs)
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