Illinois vs South Korea (Statistical Comparison)

Illinois is a state in the United States of America located in the mid-Western region of the country, whereas South Korea is a country in East Asia. Today in this article, we will discuss the comparison between Illinois and South Korea regarding various aspects.


Is Illinois bigger than South Korea?

The total area of Illinois is 57,915 sq mi, and the total area of South Korea is 38,750 sq mi. Illinois is bigger than South Korea by 19,165 sq mi. Illinois is around 1.50 times bigger than South Korea.

Area of Illinois: 57,915 sq mi ( 149,997 km2 )

Area of Illinois compared to South Korea

Area of South Korea:  38,750 sq mi ( 100,363 km2 )

Area of South Korea compared to Illinois


According to the United States Census Bureau, the total population of Illinois as of 1st July 2021 was estimated to be around 12,671,469.

Population of Illinois compared to South Korea

Based on the Worldometer elaboration of the latest United Nations data, the total population of South Korea as of 30th May 2022, is estimated to be around 51,352,691.

Population of South Korea compared to Illinois

Here is some more data comparison between Illinois and South Korea.

The capital of Illinois is Springfield, and the capital city of South Korea is Seoul.

Official Languages

Illinois: English
South Korea: Korean


Illinois: Illinoisan
South Korea: South Korean, Korean

ISO 3166 Code

Illinois: US-IL
South Korea: KR

Human Development Index

HDI of Illinois as of 2019: 0.934
HDI of South Korea as of 2019: 0.916

Illinois Time Zone: 

UTC − 6 (Central Standard Time)

Summer (DST):
UTC − 5 (Central Daylight Time)

South Korea Time Zone: 

UTC + 9 (Korea Standard Time)

Geological Coordinates

Coordinates of Illinois:
40° 2′ 30.12″ N, 89° 11′ 47.4″ W

Coordinates of South Korea:
36° 0′ 0″ N128° 0′ 0″ E

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