Welcome To KEY TO THE CITY's Page For
Green Rock
Henry County, Illinois
ZipCodes
61241
Page Contents for Green Rock, Illinois
History & History-related items
Statistics & Facts
The Illinois state capital is Springfield.
The population of Green Rock is approximately 2615 (1990).
The approximate number of families is 934 (1990).
The amount of land area in Green Rock is 1.676 sq. kilometers.
The amount of surface water is 0 sq kilometers.
The distance from Green Rock to Washington DC is 753 miles.
The distance to the Illinois state capital is 123 miles. (as the crow flies)
Green Rock is positioned 41.47 degrees north of the equator and 90.36 degrees west of the prime meridian.
History & History Related Items
Green Rock was merged with Colona in 1997 - combined population is 5,000
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