Illinois is a state in the mid-Western region of the United States of America, whereas South Dakota is a state in the North Central region of the United States of America. Today in this article, we will discuss the comparison between Illinois and South Dakota regarding various aspects.
Size
Is Illinois bigger than South Dakota?
The total area of Illinois is 57,915 sq mi, and the total area of South Dakota is 77,116 sq mi. Illinois is smaller than South Dakota by 19,201 sq mi. Illinois is around 1.34 times smaller than South Dakota.
Area of Illinois: 57,915 sq mi ( 149,997 km2 )
Area of South Dakota: 77,116 sq mi ( 199,729 km2 )
Population
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.
Based on the data provided by the United States Census Bureau, the total population of South Dakota as of 1st July 2021 was estimated to be around 895,376.
Here is some more data comparison between Illinois and South Dakota.
The capital city of Illinois is Springfield, and the capital city of South Dakota is Pierre.
Largest City
Illinois: Chicago
South Dakota: Sioux Falls
Demonym(s)
Illinois: Illinoisan
South Dakota: South Dakotan
Official Languages
Illinois: English
South Dakota: English, O’ceti Sakowin
ISO 3166 Code
Illinois: US-IL
South Dakota: US-SD
Human Development Index
HDI of Illinois as of 2019: 0.934
HDI of South Dakota as of 2019: 0.932
Illinois Time Zone:
UTC − 6 (Central Standard Time)
Summer (DST):
UTC − 5 (Central Daylight Time)
South Dakota Time Zone:
UTC – 6 (Central Standard Time)
UTC – 7 (Mountain Standard Time)
Summer (DST):
UTC – 5 (Central Daylight Time)
UTC – 6 (Mountain Daylight Time)
Geological Coordinates
Coordinates of Illinois:
40° 2′ 30.12″ N, 89° 11′ 47.4″ W
Coordinates of South Dakota:
44° 26′ 39.48″ N, 100° 13′ 34.68″ W
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Illinois vs Pennsylvania Comparison
