Feminine dossier · first seen 1934
Jaci
Stable Decline
Gradual decline from 2005
Peak era
2005
Peak births
221
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Jaci
How many people are named Jaci?
An estimated 4,922 living Americans are named Jaci.
How rare is Jaci?
Jaci is uncommon among babies today, with 58 girls receiving the name in 2025, down 73.8% from its 2005 peak.
How old is the typical Jaci?
The median age of a living American named Jaci is approximately 22 years, with most bearers falling between 15 and 33 years old.
Is Jaci still popular?
Not especially. Jaci has been declining since its 2005 peak and registered 58 births in 2025.
Where is Jaci most common?
Jaci has its strongest geographic signal in Louisiana, where it appears 15.6× more often than the national baseline.
1934Peak 20052025
Peak year
2005
Decline from peak
73.8%
2025
58
All-time
5,154
Where it lives now
Jaci is most concentrated in Louisiana — about 15.6× the national rate in the 2020s.
States where Jaci is given more often than the national average — its present-day heartland.