6. San Mateo County, California
7 points
The seat of this county is Redwood City, just south of San Francisco.
Paul W Thompson/Shutterstock.com
And now, let’s see the top five 25 richest counties in America in 2018.
SlideshowList XFinancedallas county txDallas County richestrichest us states 2017Arapahoe County richestsomerset county richestrichest towns in the usrichest state in americaSt. Mary's County richestrichest city in america 2017richest counties in marylandrichest counties in the world100 richest cities in americarichest counties in californiarichest towns in America in 2017poorest cities in america in 2017top 100 richest counties in Americamontgomery county md richest placescook county illinois seat of wealthwestchester county ny richest county25 poorest cities in America in 2017harris county tx richest counties 2018top 25 richest counties in America 2017fairfield county ct wealthiest us countyfairfax county va richest counties in ussan mateo county ca richest counties 2018morris county nj wealthiest counties 2018marin county ca wealthiest cities to liveventura county ca places with rich peopletop 25 richest counties in America in 2018arapahoe county co high income places 2018loudoun county va richest places in americanew york county ny wealthiest counties in ussomerset county nj wealthiest counties in uspalm beach fl wealthiest places to live in usarlington county va wealthiest places to livehoward county md america's wealthiest countieshonolulu county hi wealthiest counties in 2018napa county ca richest counties in america 2018essex county nj wealthiest place in the us 2018what is the richest county in the united statesst mary's county md wealthiest cities in us 2018hunterdon county nj high income counties in americasanta clara county ca richest places in america 2018san francisco county ca wealthiest places in americais palm beach county the richest county in america richestShow more...Show less
