Wisconsin County Map Formation by Year
1790
1796
1800
1801
1803
1805
1809
1812
1814
1816
1817
1818
1827
1830
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1869
1870
1871
1872
1873
1874
1875
1879
1880
1881
1882
1883
1885
1886
1887
1893
1897
1901
1905
1919
1961
Wisconsin County Map Abbreviations
unorg. = unorganized
g. = gained
w. = with
fr. = from
atmt. = attachment
exch = exchanged
nca.= non county area
ch. = changed
Ad -
Adams
As -
Ashland
Bar -
Barron
Bay -
Bayfield
Br -
Brown
Buf -
Buffalo
Bur -
Burnett
Ca -
Calumet
Ch -
Chippewa
Clk -
Clark
Col -
Columbia
Cr -
Crawford
Dan -
Dane
Dod -
Dodge
Doo -
Door
Dou -
Douglas
Dun -
Dunn
EC -
Eau Claire
FdL -
Fond du Lac
Fl -
Florence
For -
Forest
GL -
Green Lake
Gra -
Grant
Grn -
Green
Io -
Iowa
Ir -
Iron
Ja -
Jackson
Je -
Jefferson
Ju -
Juneau
Ken -
Kenosha
Kew -
Kewaunee
Laf -
Lafayette
Lan -
Langlade
LC -
La Crosse
Lcn -
Lincoln
Man -
Manitowoc
Me -
Menominee
Mi -
Milwaukee
Mnt -
Marinette
Mo -
Monroe
Mqt -
Marquette
Mtn -
Marathon
Oc -
Oconto
On -
Oneida
Ou -
Outagamie
Oz -
Ozaukee
Pe -
Pepin
Pi -
Pierce
Pol -
Polk
Por -
Portage
Pr -
Price
Ra -
Racine
Ri -
Richland
Ro -
Rock
Ru -
Rusk
Sau -
Sauk
Saw -
Sawyer
SCx -
St. Croix
Sha -
Shawano
She -
Sheboygan
Ta -
Taylor
Tr -
Trempeleau
Ve -
Vernon
Vi -
Vilas
Wal -
Walworth
Wbn -
Washburn
Wi -
Winnebago
Wks -
Waukesha
Wo -
Wood
Wpc -
Waupaca
Wsr -
Waushara
Wtn -
Washington