Masculine dossier · first seen 1880
Jefferson
Stable
Cross-generational persistence
Peak era
2009
Peak births
444
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Jefferson
How many people are named Jefferson?
An estimated 17,987 living Americans are named Jefferson.
How rare is Jefferson?
Jefferson is uncommon among babies today, with 298 boys receiving the name in 2025, down 32.9% from its 2009 peak.
How old is the typical Jefferson?
The median age of a living American named Jefferson is approximately 26 years, with most bearers falling between 13 and 50 years old.
Is Jefferson still popular?
Yes. Jefferson is holding steady, with 298 births in 2025 and a consistent recent baseline.
Where is Jefferson most common?
Jefferson has its strongest geographic signal in District of Columbia, where it appears 9.0× more often than the national baseline.
1880Peak 20092025
Peak year
2009
Decline from peak
32.9%
2025
298
All-time
24,440