Seongbuk District consists of 20 administrative dongs (haengjeong-dong, 행정동) and 39 legal dongs (beopjeong-dong, 법정동).

• Anam-dong (안암동 安岩洞)
• Bomun-dong (보문동 普門洞)
• Donam-dong (돈암동 敦岩洞) 1∼2
• Dongseon-dong (동선동 東仙洞) 1∼2
• Dongsomun-dong (동소문동 東小門洞)
• Gireum-dong (길음동 吉音洞) 1∼3
• Jangwi-dong (장위동 長位洞) 1∼3
• Jeongneung-dong (정릉동 貞陵洞) 1∼4
• Jongam-dong (종암동 鍾岩洞) 1∼2
• Samseon-dong (삼선동 三仙洞) 1∼2
• Sangwolgok-dong (상월곡동 上月谷洞)
• Seokgwan-dong (석관동 石串洞) 1∼2
• Seongbuk-dong (성북동 城北洞) 1∼2
• Wolgok-dong (월곡동 月谷洞) 1∼4동
  • Hawolgok-dong (하월곡동 下月谷洞), beopjeong-dong administered by the haengjeong-dong offices of Wolgok 1 ~2 dong