| Full Name | Kim Hong Joong |
| Stage Name | Hongjoong |
| Native Name | 김홍중 |
| Birthday | November 7, 1998 |
| Age | 26 years and 5 months old |
| Zodiac Sign | Scorpio |
| Birthplace | Anyang, Gyeonggi-do, South Korea |
| Height | 5’8″ (172 cm) |
| Weight | 136.7 lbs (62 kg) |
| Blood Type | B |
| MBTI | INFP |
| Education | Global Cyber University |
| Languages | Korean, English, Japanese |
| Group | ATEEZ |
| Social Media | Instagram: [@no1likeme8_8] |