Founded
Dublin – 988 AD
Seoul – 1394 AD
Area
Dublin – 114.99 km2
Seoul – 605.25 km2
Population
Dublin – 525,380
Seoul – 10,464,051
Density
Dublin – 4,398/km2
Seoul – 17,288.8/km2
Population of metropolitan area
Dublin – 1,801,040
Seoul – 23,616,000
Citizens
Dublin – Dub, Dubliner
Seoul – Seoulite, 서울시민(Seoul simin)
Ethnicty of population
Dublin – 90.85% White (81.25% White Irish, 9.23% White Other, 0.37% Irish Traveller), 3.34% Asian/Asian Irish, 1.12% Black/Black Irish, 1.47% Bi-Racial/Other, 3.22% Not Stated
Seoul – 285,618 foreigners registered in city at end of 2011 (186,631 of these were citizens of the People’s Republic of China with Korean ethnicity)