Illinois is a state in the mid-Western region of the United States of America, whereas Oklahoma is a state in the South Central region of the United States of America. Today in this article, we will discuss the comparison between Illinois and Oklahoma regarding various aspects.
Size
Is Illinois bigger than Oklahoma?
The total area of Illinois is 57,915 sq mi, and the total area of Oklahoma is 69,898 sq mi. Illinois is smaller than Oklahoma by 11,983 sq mi. Illinois is around 1.21 times smaller than Oklahoma.
Area of Illinois: 57,915 sq mi ( 149,997 km2 )
Area of Oklahoma: 69,898 sq mi ( 181,038 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 Oklahoma as of 1st July 2021 was estimated to be around 3,986,639.
Here is some more data comparison between Illinois and Oklahoma.
The capital city of Illinois is Springfield, and the capital city of Oklahoma is Oklahoma City.
Largest City
Illinois: Chicago
Oklahoma: Oklahoma City
Demonym(s)
Illinois: Illinoisan
Oklahoma: Oklahoman
Official Languages
Illinois: English
Oklahoma: English, Choctaw, Cherokee
ISO 3166 Code
Illinois: US-IL
Oklahoma: US-OK
Human Development Index
HDI of Illinois as of 2019: 0.934
HDI of Oklahoma as of 2019: 0.901
Illinois Time Zone:
UTC − 6 (Central Standard Time)
Summer (DST):
UTC − 5 (Central Daylight Time)
Oklahoma Time Zone:
UTC – 6 (Central Standard Time)
Summer (DST):
UTC – 5 (Central Daylight Time)
Illinois and Oklahoma are in the same time zone.
Geological Coordinates
Coordinates of Illinois:
40° 2′ 30.12″ N, 89° 11′ 47.4″ W
Coordinates of Oklahoma:
35° 35′ 20.04″ N, 97° 29′ 39.48″ W
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