How Many People Are Named Costner?
people named Costner are alive in the United States today (estimate)
About 1 in 34,178,485 people in the US has this name
Based on 10 babies named Costner in Social Security records from 2021 to 2023, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Population Percentage
Of US population
Peak Year
5 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Costner in the records were boys.
👥 Age Distribution
The average person named Costner alive today is about 3 years old, and 100% are under 30.
📈 Popularity Over Time
Costner first appears in the records in 2021 and was given most often in 2021, to 5 babies. The last year it was given to at least 5 babies of one sex was 2023.
Babies given the name each year, 2021 to 2023
Look up another name
⊙ We don't save the names you search.