Summary

The 119th U.S. Congress is the third oldest in history, with an average member age of 58.9 years.

The Senate’s average age is 63.8, while the House is 57.7. Baby boomers still dominate the Senate, where nearly half are 65 or older, but Gen X now holds more seats than boomers in the House for the first time.

Millennials make up a small portion, while Maxwell Frost, 27, remains the only Gen Z member.

In total, 20 members of Congress are 80 or older, contrasting with a U.S. median age of 39.1.