Condados en Illinois
- Adams
- Alexander
- Bond
- Boone
- Brown
- Bureau
- Calhoun
- Carroll
- Cass
- Champaign
- Christian
- Clark
- Clay
- Clinton
- Coles
- Cook
- Crawford
- Cumberland
- DeKalb
- DeWitt
- Douglas
- DuPage
- Edgar
- Edwards
- Effingham
- Fayette
- Ford
- Franklin
- Fulton
- Gallatin
- Greene
- Grundy
- Hamilton
- Hancock
- Hardin
- Henderson
- Henry
- Iroquois
- Jackson
- Jasper
- Jefferson
- Jersey
- Jo Daviess
- Johnson
- Kane
- Kankakee
- Kendall
- Knox
- Lake
- LaSalle
- Lawrence
- Lee
- Livingston
- Logan
- Macon
- Macoupin
- Madison
- Marion
- Marshall
- Mason
- Massac
- McDonough
- McHenry
- McLean
- Menard
- Mercer
- Monroe
- Montgomery
- Morgan
- Moultrie
- Ogle
- Peoria
- Perry
- Piatt
- Pike
- Pope
- Pulaski
- Putnam
- Randolph
- Richland
- Rock Island
- Saline
- Sangamon
- Schuyler
- Scott
- Shelby
- St. Clair
- Stark
- Stephenson
- Tazewell
- Union
- Vermilion
- Wabash
- Warren
- Washington
- Wayne
- White
- Whiteside
- Will
- Williamson
- Winnebago
- Woodford
Localidades en Illinois. Página 17 de 33
- Le Roy
- Liberty
- Libertyville
- Liberty Township Adams County
- Lily Lake
- Lima
- Lima Township Adams County
- Limestone Township
- Limestone Township Peoria County
- Lincoln's New Salem
- Lincoln
- Lincolnshire
- Lincolnwood
- Lincoln Township Ogle County
- Lindenhurst
- Lindenwood
- Linn Township Woodford County
- Lisbon
- Lisbon Township
- Lisle
- Lisle Township Dupage County
- Litchfield
- Literberry
- Littleton
- Littleton Township Schuyler County
- Little Mackinaw Township Tazewell County
- Little Rock Township
- Little York
- Liverpool
- Liverpool Township Fulton County
- Livingston
- Loami
- Loami Township Sangamon County
- Lockport
- Lockport Township Will County
- Locust Township Christian County
- Loda
- Loda Township Iroquois County
- Logan Township Peoria County
- Lomax
- Lomax Township Henderson County
- Lombard
- London Mills
- Long Creek Township Macon County
- Longview
- Long Creek
- Long Grove
- Long Lake
- Long Point
- Long Point Township Livingston County
- Loogootee
- Loraine
- Loraine Township Henry County
- Loran Township Stephenson County
- Lostant
- Louisville
- Lovejoy Township Iroquois County
- Loves Park
- Love Township Vermilion County
- Lovington
- Lowder
- Lowpoint
- Ludlow
- Ludlow Township Champaign County
- Lyman Township Ford County
- Lynchburg Township Mason County
- Lyndon
- Lyndon Township Whiteside County
- Lynnville
- Lynnville Township Ogle County
- Lynn Center
- Lynn Township Henry County
- Lynn Township Knox County
- Lynwood
- Lyons
- Lyons Township Cook County
- Macedonia
- Machesney Park
- Mackinaw
- Mackinaw Township Tazewell County