Dominated by Bay Area, unsurprisingly.
Clayton in the top 20? 
It’s nice but not that nice out there. I guess it helps to be a small town.
#19. Clayton
– Median household income: $157,768
— 151.1% above national median
– Households earning over $100k: 70.4%
– Households earning less than $15k: 1.5%
top 18 (char limits):
#18. Palo Alto
– Median household income: $158,271
— 151.9% above national median
– Households earning over $100k: 65.7%
– Households earning less than $15k: 6.7%
#17. Foster City
– Median household income: $158,529
— 152.3% above national median
– Households earning over $100k: 71.5%
– Households earning less than $15k: 3.9%
#16. San Ramon
– Median household income: $160,783
— 155.8% above national median
– Households earning over $100k: 70.7%
– Households earning less than $15k: 4.3%
#15. Menlo Park
– Median household income: $160,784
— 155.9% above national median
– Households earning over $100k: 63.7%
– Households earning less than $15k: 6.2%
#14. Danville
– Median household income: $160,808
— 155.9% above national median
– Households earning over $100k: 71.6%
– Households earning less than $15k: 3.6%
#13. Mill Valley
– Median household income: $163,614
— 160.4% above national median
– Households earning over $100k: 69.1%
– Households earning less than $15k: 6.2%
#12. San Marino
– Median household income: $166,607
— 165.1% above national median
– Households earning over $100k: 73.4%
– Households earning less than $15k: 5.9%
#11. Cupertino
– Median household income: $171,917
— 173.6% above national median
– Households earning over $100k: 71.6%
– Households earning less than $15k: 6.2%
#10. La Cañada Flintridge
– Median household income: $175,788
— 179.7% above national median
– Households earning over $100k: 72.0%
– Households earning less than $15k: 3.2%
#9. Lafayette
– Median household income: $178,889
— 184.7% above national median
– Households earning over $100k: 69.4%
– Households earning less than $15k: 3.0%
#8. San Carlos
– Median household income: $182,083
— 189.7% above national median
– Households earning over $100k: 70.3%
– Households earning less than $15k: 3.6%
#7. Saratoga
– Median household income: $191,677
— 205.0% above national median
– Households earning over $100k: 72.5%
– Households earning less than $15k: 4.5%
#6. Palos Verdes Estates
– Median household income: $194,543
— 209.6% above national median
– Households earning over $100k: 72.4%
– Households earning less than $15k: 6.0%
#5. Orinda
– Median household income: $223,217
— 255.2% above national median
– Households earning over $100k: 78.9%
– Households earning less than $15k: 3.3%
#4. Piedmont
– Median household income: $224,659
— 257.5% above national median
– Households earning over $100k: 83.8%
– Households earning less than $15k: 2.0%
#3. Los Altos
– Median household income: $235,278
— 274.4% above national median
– Households earning over $100k: 80.0%
– Households earning less than $15k: 3.0%
#2. Los Altos Hills
– Median household income: $250,000+
— 297.8% above national median
– Households earning over $100k: 82.1%
– Households earning less than $15k: 2.1%
#1. Hillsborough
– Median household income: $250,000+
— 297.8% above national median
– Households earning over $100k: 84.8%
– Households earning less than $15k: 1.8%