Kim Se Jeong stands out as one of South Korea's most versatile entertainers, effortlessly transitioning from chart-topping K-pop idol group member to globally recognized television star. Born on August 28, 1996, in Gimje, North Jeolla Province, she's built a career defined by resilience, sharp comedic timing, and raw dramatic range. Whether you're discovering her through hit romance series or tracking her musical discography, understanding her background reveals an artist who earned every milestone through intense dedication.
Her journey began long before television fame, marked by a disciplined upbringing and early hurdles. Rising through competitive talent shows, she secured her spot in the entertainment industry through sheer vocal power and performance charisma. Today, public curiosity remains high regarding her physical stats, financial standing, and current relationship status.
Core Profile and Physical Stats
Kim Se Jeong's physical stats and basic biographical details are frequently searched by fans tracking her career transitions across music and television.
- Full Name: Kim Se-jeong (김세정)
- Date of Birth: August 28, 1996
- Age: 30 years old
- Place of Birth: Gimje, South Korea
- Height: 164 cm (5 feet 4 inches)
- Blood Type: AB
- Education: Hanyang Women's University
Standing at 164 cm, she maintains an active lifestyle, often sharing glimpses of her fitness routines and athletic background. Before entering the entertainment sphere, she competed in school track and field events, which helped build the physical stamina required for grueling idol choreography and action-heavy drama roles.
Entertainment Career and Major Breakthroughs
Her professional ascent kicked off in earnest during 2016 when she participated in the survival reality program Produce 101. Capturing viewers with her vocal ability and bright personality, she finished second overall, earning a spot in the temporary project girl group I.O.I. Shortly after I.O.I concluded its promotions, she debuted with Jellyfish Entertainment's girl group Gugudan.
Transitioning smoothly into solo music, she released her digital single "Flower Way" in late 2016, which immediately swept major domestic music charts and secured her first solo music show win.
As her musical footprint expanded, she pivoted toward acting. Her notable television portfolio includes:
- School 2017 (2017): Her first major leading role, earning her the Best New Actress Award at the KBS Drama Awards.
- The Uncanny Counter (2020–2023): A supernatural action series where she played a demon-hunter, showcasing rigorous physical stunt work.
- Business Proposal (2022): A romantic comedy smash hit where her comedic timing as Shin Ha-ri won international acclaim and multiple acting honors.
- Brewing Love (2024): A romance series solidifying her status as a dependable romantic lead.
In March 2026, she made a major career move by signing with BH Entertainment following the expiration of her long-term contract with Jellyfish Entertainment.
Financial Standing and Net Worth
While precise, audited financial disclosures for private celebrities are rarely published, industry estimates place Kim Se Jeong's net worth between $3 million and $5 million USD.
Her income stems from multiple robust revenue streams built over a decade in the spotlight:
- Acting Salaries: Premium rates for leading television series distributed globally via streaming platforms like Netflix.
- Music Royalties: Earnings from her solo discography, album sales with I.O.I and Gugudan, and numerous high-profile television original soundtrack (OST) contributions.
- Endorsements: Lucrative commercial deals spanning major cosmetic brands, skin care lines, apparel, mobile games, and food products.
- Variety Appearances: Fixed cast roles in high-profile programs such as Netflix's mystery-variety show Busted!
Beyond her earnings, she maintains a reputation for philanthropy, frequently contributing to charitable causes, such as donations supporting families and individuals with autism through organizations like the Korean Autism Love Association.
Relationship Status and Personal Life
Public interest in celebrity romance is intense, but Kim Se Jeong has consistently maintained a private personal life. She is currently single and has not publicly announced any marriage plans or romantic relationships.
Interviews and variety show appearances reveal a grounded personality. She often speaks openly about being raised by a hardworking single mother alongside her older brother, navigating financial hardships during her early childhood before finding stability through her entertainment career. When she isn't filming or recording music, she focuses on personal hobbies, songwriting, and physical conditioning.
Frequently Asked Questions
How old is Kim Se Jeong?
She was born on August 28, 1996, making her 30 years old.
What is Kim Se Jeong's height?
She is 164 cm (5 feet 4 inches) tall.
Which K-pop groups was she in?
She gained initial fame as a member of the project girl group I.O.I and subsequently debuted as a member of Jellyfish Entertainment's girl group Gugudan. Both groups have since concluded their active promotions.
What are her most famous dramas?
Her breakout television roles include Business Proposal, The Uncanny Counter, and School 2017. You can explore more about her televisionography on Wikipedia's Kim Se-jeong page.
