Theodore
Quick answers about Theodore
How many people are named Theodore?
An estimated 194,441 living Americans are named Theodore.
How rare is Theodore?
Theodore is still widely used among babies today, with 13,355 boys receiving the name in 2025, matching its recorded peak.
How old is the typical Theodore?
The median age of a living American named Theodore is approximately 12 years, with most bearers falling between 5 and 54 years old.
Is Theodore still popular?
Yes — Theodore is currently rising in popularity, with 13,355 births in 2025. Births this decade are running about 4.7× higher than the previous decade.
Where is Theodore most common?
Theodore has its strongest geographic signal in District of Columbia, where it appears 5.0× more often than the national baseline.
Theodore is most concentrated in District of Columbia — about 4.0× the national rate in the 2010s. It also runs high in Vermont.
States where Theodore is given more often than the national average — its present-day heartland.