An estimated 21,439 living Americans are named Kiera.
How rare is Kiera?
Kiera is uncommon among babies today, with 219 girls receiving the name in 2025, down 80.9% from its 2007 peak.
How old is the typical Kiera?
The median age of a living American named Kiera is approximately 21 years, with most bearers falling between 16 and 29 years old.
Is Kiera still popular?
Not especially. Kiera has been declining since its 2007 peak and registered 219 births in 2025.
Where is Kiera most common?
Kiera has its strongest geographic signal in Massachusetts, where it appears 3.6× more often than the national baseline.
1963Peak 20072025
Peak year
2007
Decline from peak
80.9%
2025
219
All-time
21,851
Diaspora map
Kiera spread fast — broke out in Colorado, Connecticut, Idaho, Maine, Minnesota, Missouri, Montana, Nebraska, New Mexico, Ohio, Pennsylvania, South Dakota, and Washington (2004) and ran high in 33 states within a decade.
Broke out: Colorado, Connecticut, Idaho, Maine, Minnesota, Missouri, Montana, Nebraska, New Mexico, Ohio, Pennsylvania, South Dakota, and Washington, 2004 · over-represented in 33 states over 6 years
