alabama

Illinois County Map Formation by Year

Illinois County Map Abbreviations

  1. unorg. = unorganized
  2. g. = gained
  3. w. = with
  4. fr. = from
  5. atmt. = attachment
  6. exch = exchanged
  7. nca.= non county area
  8. ch. = changed
  9. Ad  - Adams
  10. Al   - Alexander
  11. Bon - Bond
  12. Boo - Boone
  13. Br   - Brown
  14. Bu   - Bureau
  15. Cal - Calhoun
  16. Car - Carroll
  17. Cas - Cass
  18. Cha - Champaign
  19. Chr - Christian
  20. Cli - Clinton
  21. Clk - Clark
  22. Cly - Clay
  23. Col - Coles
  24. Coo - Cook
  25. Cr   - Crawford
  26. Cu   - Cumberland
  27. DK   - De Kalb
  28. Do   - Douglas
  1. DW   - De Witt
  2. DP   - DuPage
  3. Edg - Edgar
  4. Edw - Edwards
  5. Ef   - Effingham
  6. Fa   - Fayette
  7. Fo   - Ford
  8. Fr   - Franklin
  9. Fu   - Fulton
  10. Ga   - Gallatin
  11. Gr   - Grundy
  12. Gre - Greene
  13. Ham - Hamilton
  14. Han - Hancock
  15. Har - Hardin
  16. Hry - Henry
  17. Hsn - Henderson
  18. Ir   - Iroquois
  19. Jac - Jackson
  20. Jas - Jasper
  21. JD   - Jo Daviess
  22. Jef - Jefferson
  23. Jer - Jersey
  24. Jo   - Johnson
  25. Ke   - Kendall
  26. Kke - Kankakee
  27. Kn   - Knox
  1. Kne - Kane
  2. Lak - Lake
  3. Law - Lawrence
  4. Lee - Lee
  5. Li   - Livingston
  6. Lo   - Logan
  7. LS   - La Salle
  8. Mad - Madison
  9. McD - McDonough
  10. McH - McHenry
  11. McL - McLean
  12. Mcn - Macon
  13. Men - Menard
  14. Mer - Mercer
  15. Mor - Morgan
  16. Mou - Moultrie
  17. Mpn - Macoupin
  18. Mrn - Marion
  19. Mro - Monroe
  20. Msc - Massac
  21. Msl - Marshall
  22. Msn - Mason
  23. Mty - Montgomery
  24. Og   - Ogle
  25. Peo - Peoria
  26. Per - Perry
  27. Pia - Piatt
  1. Pik - Pike
  2. Po   - Pope
  3. Pul - Pulaski
  4. Put - Putnam
  5. Ra   - Randolph
  6. Ri   - Richland
  7. RI   - Rock Island
  8. Sal - Saline
  9. San - Sangamon
  10. SC   - St. Clair
  11. Sch - Schuyler
  12. Sco - Scott
  13. Sh   - Shelby
  14. Sta - Stark
  15. Ste - Stephenson
  16. Ta   - Tazewell
  17. Un   - Union
  18. Ve   - Vermilion
  19. Wab - Wabash
  20. War - Warren
  21. Was - Washington
  22. Way - Wayne
  23. Wil - Will
  24. Win - Winnebago
  25. Wo   - Woodford
  26. Wsd - Whiteside
  27. Wsn - Williamson
  28. Wte - White