↑ After Seoul, Busan, and Incheon. The 2005 census first found that Incheon's population was larger than Daegu's. "행정구역(동읍면)별 인구, 가구 및 주택". National Statistical Office. 2005. สืบค้นเมื่อ 2006-11-17.
↑ Still, the city is considered as one of three cities of South Korea, because Incheon is a part of the Seoul National Capital Area.
