How Many People Are Named Decatur?
people named Decatur are alive in the United States today (estimate)
About 1 in 16,275,469 people in the US has this name
Based on 54 babies named Decatur in Social Security records from 1916 to 2017, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
7 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Decatur in the records were boys.
👥 Age Distribution
The average person named Decatur alive today is about 29 years old, and 81% are under 30.
📈 Popularity Over Time
Decatur first appears in the records in 1916 and was given most often in 1945, to 7 babies. The last year it was given to at least 5 babies of one sex was 2017.
Babies given the name each year, 1916 to 2017
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