Highest median household income, US counties · 1990
US counties ranked by median household income from the 1990 American Community Survey 5-year estimates. Fairfax County, Virginia leads at $59,284. 3,122 counties qualify in total. Virginia carries 5 of the top 25 entries.
Flip the list · Lowest median household income, US counties →UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest median household income?
Fairfax County, Virginia ranks #1 with $59,284 (1990 Decennial Census).
What are the top 5 counties by median household income?
Fairfax County, Virginia, Morris County, New Jersey, Somerset County, New Jersey, Los Alamos County, New Mexico, Hunterdon County, New Jersey.
How many counties are in this ranking?
3,122 counties qualify after filtering for population minimums and data availability. The ranking covers 1990 Decennial Census data.
How is median household income measured?
Median income of all households, as reported each year (nominal dollars, not inflation adjusted). Source: US Census Bureau, 1990 Decennial Census.