Created March 4, 1837 Welcome to Stephenson County, Illinois! Welcome to Stephenson County, Illinois!
Departments and Services
Animal Control
Circuit Clerk and Court
Coroner
County Administrator
County Board
County Clerk and Recorder
Emergency Management
Health Department
Highway Department
Probation Office
Public Defender
Sheriff's Office
State's Attorney
Stephenson Nursing Center
Chief County Assessment Officer
Treasurer-Collector
Zoning

Area ZIP Codes

Apple River 61001
Baileyville 61007
Cedarville 61013
Dakota 61018
Davis 61019
Dixon 61021
Durand 61024
Eleroy 61027
Elizabeth 61028
Forreston 61030
Freeport 61032
Galena 61036
German Valley 61039
Hanover 61041
Kent 61044
Lanark 61046
Leaf River 61047
Lena 61048
McConnell 61050
Milledgeville 61051
Monroe, WI 53566
Mt. Carroll 61053
Mt. Morris 61054
Nora 61059
Orangeville 61060
Oregon 61061
Pearl City 61062
Pecatonica 61063
Polo 61064
Ridott 61067
Rock City 61070
Rockton 61072
Savanna 61074
Shannon 61078
Stockton 61085
Warren 61087
Winnebago 61088
Winslow 61089

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