Americans ages 45 to 54
had the highest median household income across all age groups in 2018
Source:U.S. Census Bureau
Additional Information:
Those ages 35 to 44 had the second-highest median household income ($80,743), followed by those ages 55 to 64 ($68,951), and those 25 to 34 ($65,890). Those age 65 and over ($43,696) and those 15 to 24 ($43,531) had the lowest median incomes.