How Old Is Sydney Sweeney — Sydney Sweeney was born September 12, 1997, making her 28 years old as of mid-June 2026. She turns 29 on September 12, 2026 per People and Biography.com verified records.

Biography.com and People list Sydney Sweeney's birth date as September 12, 1997, in Spokane, Washington. That Virgo birthday anchors every age calculation fans search for online.

To answer how old is Sydney Sweeney, subtract 1997 from the current year and adjust if today is before September 12. Mid-June 2026 means age 28 because her birthday has not yet arrived this year.

From Euphoria at twenty-one to The White Lotus at twenty-three and Anyone But You at twenty-six, Sydney Sweeney's age tracks a career spanning Spokane roots through Hollywood dominance in her twenties.

Sydney Sweeney turns 29 on September 12, 2026 — the same date fans mark every year with birthday posts and streaming parties. She is 28 throughout June 2026 until that milestone arrives.