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Jack Antonoff

Photo: Alex Lockett, CC BY-SA 4.0, via Wikimedia Commons

Singer · Musician

Jack Antonoff

American songwriter, singer and record producer (born 1984)

Jack Antonoff is 42 years old, born on March 31, 1984 in Bergenfield.

Next birthday in 147 days, turning 43.

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Born
March 31, 1984, Bergenfield
Age
42
Zodiac sign
Aries
Country
United States
Known as
Singer, Musician

Official links: Instagram · X · Wikipedia

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Jack’s birthday, by the numbers

  • Jack Antonoff was born on a Saturday.
  • Jack Antonoff has been alive for about 15,558 days.
  • Their 20,000-day milestone falls on January 2, 2039.
  • Their next birthday, turning 43, is on a Wednesday.
  • Next milestone: Jack Antonoff turns 50 on March 31, 2034, in 7 years and 4 months. More milestone birthdays
  • Jack Antonoff is younger than 4,442 and older than 2,404 of the living celebrities on CFOTD.
  • Half birthday: October 1. Birthstone: Aquamarine and bloodstone.
  • Jack Antonoff belongs to Millennials.

Age gaps

Born within weeks of Jack

Andrés IniestaSoccer player · May 11, 1984Fernando TorresSoccer player · March 20, 1984PepeSoccer player · February 26, 1984Olivia WildeActor · March 10, 1984Shreya GhoshalSinger · March 12, 1984Mandy MooreActor · April 10, 1984

Days and weekdays are worked out from the birth date. Compare Jack’s age with anyone.

Share Jack Antonoff’s birthday, March 31?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for March 31⭐Birthday twin cardA square card to share

Also born on March 31

All →
Ewan McGregorActor · Age 55Christopher WalkenActor · Age 83Richard ChamberlainActor · (1934 to 2025)Shirley JonesSinger · Age 92Liza KoshyYouTuber · Age 30Alejandro AmenábarFilm director · Age 54

Also born in 1984

All →
Katy PerrySinger · October 25BasshunterSinger · December 22Avril LavigneSinger · September 27LeBron JamesBasketball player · December 30Andrés IniestaSoccer player · May 11Scarlett JohanssonActor · November 22

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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake

Frequently asked questions

How old is Jack Antonoff?

Jack Antonoff is 42 years old, born on March 31, 1984 in Bergenfield.

What is Jack Antonoff’s zodiac sign?

Aries, born March 31.