Dennis Washington
$7.05B
$7.6M (-0.1%)
as of 07/02/24
About Dennis Washington
Dennis Washington parlayed an early love of machinery into a diversified business group called Washington Companies.
Washington owns copper mining, marine transportation and heavy equipment businesses.
After working for his uncle's construction business, he struck out on his own with a $30,000 loan to start Washington Construction.
Montana's richest person, Washington also has an investment in Seaspan Corp., cofounded by son Kyle, which now has more than 130 container ships.
Personal stats
Citizenship
United States of AmericaSource of wealth
Construction, miningResidence
Missoula, MontanaMarital status
MarriedBirth date
07/27/34 (age 89)Number of children
2Education
Diploma, High SchoolSelf-made
self-madeDennis Washington’s fortune is worth
118K
troy ounces of gold
108K
median U.S. household
71K
median U.S. income
0.141%
U.S. credit card volume
0.028%
GDP of the United States
0.021%
United States debt
Net worth history
Annual ranking
Did you know?
The day after high school graduation, in 1952, Washington headed to Alaska where he started out greasing equipment, then became a heavy-crane operator.
Net worth over time
Real-time ranking
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