Established:  Febuary 21, 1821
Namedfor Richard Montgomery
Government was adopted November 5, 1872
Parts of it, formerly included in:
1821-1827  Fayette
1817-1821  Bond
1812-1821  Madison
1790-1812  St. Clair
1790-1801  Knox Northwest Territory
County seat: 1821-1823  Hamilton

  1. Hillsboro
Montgumery is also home to lake Lou Yeager, Lake Glen, Shoals, Coffeen Lake, and is know for its fish and wild life