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1905 Illinois County Formation Map


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1905--FIFTEEN NEW COUNTIES

As counties of the State of Illinois


1905 Illinois county formation map


1841-1859--FIFTEEN NEW COUNTIES

Henderson........Established Jan. 20, 1841...........Laws 1841, page...... 67
Mason............Established Jan. 20, 1841...........Laws 1841, page...... 69
Platt............Established Jan. 27, 1841...........Laws 1841, page...... 71
Grundy...........Established Feb. 17, 1841...........Laws 1841, page...... 74
Kendall..........Established Feb. 19, 1841...........Laws 1841, page...... 75
Richland.........Established Feb. 24, 1841...........Laws 1841, page...... 77
Woodford.........Established Feb. 27, 1841...........Laws 1841, page...... 84
Massac...........Established Feb.  8 and Mar. 3, 1843Laws 1843, pages..74,101
Moultrie.........Established Feb. 16, 1843...........Laws 1843, page...... 83
Cumberland.......Established Mar.  2, 1843...........Laws 1843, page...... 94
Pulaski..........Established Mar.  3, 1843...........Laws 1843, page...... 99
Saline...........Established Feb. 25, 1847...........Private laws 1847,page34
Kankakee.........Established Feb. 11, 1853...........Laws 1853, page......159
Douglas..........Established Feb.  8 and 16, 1859....Laws 1859, pages...24,28
Ford.............Established Feb. 17, 1859...........Laws 1859, page...... 29

Bond, part of Madison added............Mar. 2, 1843.Laws 1843, page...... 98 Boone, part of Winnebago added.........Feb. 28, 1843.Laws 1843, page...... 92 Marshall, part of LaSalle added........Mar. 1, 1843.Laws 1843, page...... 93 Menard, part of Sangamon added.........Mar. 2, 1843.Laws 1843, page...... 94 McHenry, boundary re-defined...........Feb. 28, 1843.Laws 1843, page...... 91 Pope, part of Massac added.............Mar. 3, 1843.Laws 1843, page......101 Woodford-McLean, boundary line defined.Feb. 28, 1843.Laws 1843, page...... 91 Cass, part of Morgan added.............Feb. 16, 1845.Laws 1845, page......313 Logan, part of DeWitt added............Feb. 26, 1845.Laws 1845, page......189 Peoria-Fulton, boundary defined........Feb. 28, 1845.Laws 1845, page......267 Hardin, part of Gallatin added.........Feb. 20, 1847.Private laws 1847,page31 Menard, part of Sangamon added.........Feb. 28, 1847.Private laws 1847,page39 Greene-Jersey, boundary defined........Mar. 3, 1851.Laws 1851, page......145 Hamilton-Saline, boundary defined......Feb. 28, 1854.Laws 1854, page......143 White-Gallatin, boundary defined.......Feb. 28, 1854.Laws 1854, page......143 Rock Island-Whiteside, boundary definedMar. 4, 1854.Laws 1854, page......161 Rock Island-Whiteside, repeal..........Mar. 29, 1869.Laws 1869, page......161


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