The Wealthiest and Poorest County in Every U.S. State

The poorest and wealthiest county in every State based on median household income.

Top ten wealthiest U.S. counties by median household income

1. Loudon County, Virginia
2. Howard County, Maryland
3. Fairfax County, Virginia
4. Hunterdon County, New Jersey
5. Santa Clara County, California
6. Arlington County, Virginia
7. Douglas County, Colorado
8. San Massachusettsteo County, California
9. Morris County, New Jersey
10. WilliaMississippion County, Tennessee

Top ten poorest U.S. counties by median household income

1. Holmes County, Mississippi
2. Buffalo County, South Dakota
3. Owsley County, Kentucky
4. Wilcox County, Alabama
5. McDowell County, WV
6. Clay County, Kentucky
7. Stewart County, Georgia
8. McCreary County, Kentucky
9. Perry County, Alabama
10. Harlan County, Kentucky

Top ten U.S. states with the greatest disparlty between counties

1. Virginia: Loudon county ($134,600) vs Buchanan county ($21,800)
2. New Mexico: Los Alamos county ($114,700) vs Luna county ($28,200)
3. Colorado: Douglas county ($112,400) vs Costilla county ($27,200)
4. Maryland: Howard county ($119,400) vs Somerset county ($38,500)
5. Tennessee: Williamson county ($107,900) vs Hancock county ($28,200)
6. Georgia: Forsyth county ($101,800) vs Stewart county ($24,200)
7. California: Santa Clara county ($110,800) vs Trinity county ($38,700)
8. Texas: Rockwall county ($97,500) vs Zavala county ($25,500)
9. Kentucky: Oldham county ($92,500) vs Owsley ($23,100)
10. New York: Nassau county ($105,500) vs Bronx county ($37,400)