Winnebago County

Cherry Valley
Durand
Lake Summerset
Loves Park
Machesney Park
Pecatonica
Rockford
Rockton
Roscoe
South Beloit
Winnebago
HASC code :US-IL-WN
FIPS 6-4 code :17201
Capital :Rockford
Largest city :Rockford
Elevation :High : Lake Summerset 900 ft
Low : Machesney Park 727 ft
Population :278,418
Land Area :514 sq mi
(1,331 km²)
Density :541.67/sq mi
(209.14/km²)
Time zone :UTC -6
Website :http://www.co.winnebago.il.us