Johnson County

Cypress
Goreville
New Burnside
Vienna
HASC code :US-IL-JH
FIPS 6-4 code :17087
Capital :Vienna
Largest city :Vienna
Elevation :High : Goreville 770 ft
Low : Vienna 404 ft
Population :12,878
Land Area :346 sq mi
(896 km²)
Density :37.22/sq mi
(14.37/km²)
Time zone :UTC -6