How Many People Are Named Sydni?
people named Sydni are alive in the United States today (estimate)
About 1 in 64,646 people in the US has this name
Based on 5,361 babies named Sydni in Social Security records from 1947 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
468 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Sydni in the records were girls.
👥 Age Distribution
The average person named Sydni alive today is about 24 years old, and 80% are under 30. Half of them were between 20 and 28 in 2025.
📈 Popularity Over Time
Sydni first appears in the records in 1947 and was given most often in 2000, to 468 babies. In 2025, 8 babies got the name.
Babies given the name each year, 1947 to 2025
🏆 Rank History
Sydni has never been one of the 100 most popular girls' names. Its best rank was #559, in 2000. In 2025 it ranked #11,812.
| Girls | |
|---|---|
| Rank in 2025 | #11,812 |
| Best rank | #559 (2000) |
| Years in the top 100 | None |
| Rank in its biggest decade | #985 in the 2000s |
📍 State-Wise Distribution
People named Sydni alive today, by the state where they were born (estimate; state records start in 1910).
More people named Sydni were born in Texas than in any other state: about 488 of those alive today. Compared with the national rate in the same years, Sydni was given 4.5 times as often in Louisiana, 2.2 times in Missouri and 2 times in Georgia.
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