How Many People Are Named Siera?
people named Siera are alive in the United States today (estimate)
About 1 in 136,659 people in the US has this name
Based on 2,543 babies named Siera in Social Security records from 1983 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
150 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Siera in the records were girls.
👥 Age Distribution
The average person named Siera alive today is about 27 years old, and 59% are under 30. Half of them were between 23 and 33 in 2025.
📈 Popularity Over Time
Siera first appears in the records in 1983 and was given most often in 1998, to 150 babies. In 2025, 7 babies got the name.
Babies given the name each year, 1983 to 2025
🏆 Rank History
Siera has never been one of the 100 most popular girls' names. Its best rank was #1,205, in 1996. In 2025 it ranked #12,985.
| Girls | |
|---|---|
| Rank in 2025 | #12,985 |
| Best rank | #1,205 (1996) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,361 in the 1990s |
📍 State-Wise Distribution
People named Siera alive today, by the state where they were born (estimate; state records start in 1910).
More people named Siera were born in California than in any other state: about 195 of those alive today. Compared with the national rate in the same years, Siera was given 3.1 times as often in Ohio, 2.7 times in Florida and 2.5 times in Indiana.
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