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 4 de 33
- Braceville
- Bradford
- Bradford Township Lee County
- Bradley
- Braidwood
- Breese
- Bremen Township Cook County
- Brenton Township Ford County
- Bridgeport
- Bridgeview
- Brighton
- Brighton Township Macoupin County
- Brimfield
- Brimfield Township Peoria County
- Bristol
- Broadlands
- Broadview
- Broadwell
- Broadwell Township Logan County
- Brocton
- Brookfield
- Brookfield Township Lasalle County
- Brooklyn
- Brooklyn Township Lee County
- Brooklyn Township Schuyler County
- Brookport
- Brookville Township Ogle County
- Broughton
- Broughton Township Livingston County
- Brouilletts Creek Township Edgar County
- Browning
- Browning Township Schuyler County
- Browns
- Brownstown
- Brown Township Champaign County
- Bruce Township Lasalle County
- Brushy Mound Township Macoupin County
- Brussels
- Bryant
- Buckeye Township Stephenson County
- Buckhart Township Christian County
- Buckhart Township Fulton County
- Buckhorn Township Brown County
- Buckingham
- Buckley
- Buckner
- Buck Township Edgar County
- Buda
- Buena Vista Township Schuyler County
- Buffalo
- Buffalo Grove
- Buffalo Hart Township Sangamon County
- Buffalo Prairie Township Rock Island County
- Buffalo Township Ogle County
- Bull Valley
- Bulpitt
- Buncombe
- Bunker Hill Township Macoupin County
- Bunker Hill
- Burbank
- Bureau Junction
- Bureau Township Bureau County
- Burgess Township Bond County
- Burlington
- Burlington Township
- Burnham
- Burnside
- Burns Township Henry County
- Burnt Prairie
- Burritt Township Winnebago County
- Burr Ridge
- Burton
- Burton Township Adams County
- Burton Township Mchenry County
- Bush
- Bushnell
- Bushnell Township Mcdonough County
- Butler
- Butler Grove Township Montgomery County
- Butler Township Vermilion County