Feminine dossier · first seen 1968

Sia

Rising Gaining cultural share
Peak era
2025
Peak births
215
Current vitality
Fragile
Peak generation
Gen Alpha

Quick answers about Sia

How many people are named Sia?

An estimated 2,753 living Americans are named Sia.

How rare is Sia?

Sia is uncommon among babies today, with 215 girls receiving the name in 2025, matching its recorded peak.

How old is the typical Sia?

The median age of a living American named Sia is approximately 8 years, with most bearers falling between 4 and 16 years old.

Is Sia still popular?

Yes — Sia is currently rising in popularity, with 215 births in 2025. Births this decade are running about 2.6× higher than the previous decade.

Where is Sia most common?

Sia has its strongest geographic signal in New Jersey, where it appears 4.9× more often than the national baseline.

1968Peak 20252025
peak 2025 2025 18801900192019401960198020002020
Peak year
2025
Decline from peak
0%
2025
215
All-time
2,790
Where it lives now

Sia is most concentrated in Washington — about 3.5× the national rate in the 2020s. It also runs high in California.

States where Sia is given more often than the national average — its present-day heartland.

Alabama: near or below the national rate AL Alaska: near or below the national rate AK Arizona: near or below the national rate AZ Arkansas: near or below the national rate AR California: 2.0× the national rate CA Colorado: near or below the national rate CO Connecticut: near or below the national rate CT Delaware: near or below the national rate DE District of Columbia: near or below the national rate DC Florida: near or below the national rate FL Georgia: near or below the national rate GA Hawaii: near or below the national rate HI Idaho: near or below the national rate ID Illinois: near or below the national rate IL Indiana: near or below the national rate IN Iowa: near or below the national rate IA Kansas: near or below the national rate KS Kentucky: near or below the national rate KY Louisiana: near or below the national rate LA Maine: near or below the national rate ME Maryland: near or below the national rate MD Massachusetts: near or below the national rate MA Michigan: near or below the national rate MI Minnesota: near or below the national rate MN Mississippi: near or below the national rate MS Missouri: near or below the national rate MO Montana: near or below the national rate MT Nebraska: near or below the national rate NE Nevada: near or below the national rate NV New Hampshire: near or below the national rate NH New Jersey: near or below the national rate NJ New Mexico: near or below the national rate NM New York: near or below the national rate NY North Carolina: near or below the national rate NC North Dakota: near or below the national rate ND Ohio: near or below the national rate OH Oklahoma: near or below the national rate OK Oregon: near or below the national rate OR Pennsylvania: near or below the national rate PA Rhode Island: near or below the national rate RI South Carolina: near or below the national rate SC South Dakota: near or below the national rate SD Tennessee: near or below the national rate TN Texas: near or below the national rate TX Utah: near or below the national rate UT Vermont: near or below the national rate VT Virginia: near or below the national rate VA Washington: 3.5× the national rate WA West Virginia: near or below the national rate WV Wisconsin: near or below the national rate WI Wyoming: near or below the national rate WY