List of counties in Wisconsin

County
FIPS code
^[4] County seat
^[5] Established
^[5] Formed from
^[6] Etymology
^[6] Population
^[5][7] Area
^[5][7] Map
Adams County 001 Friendship 1848 Portage County John Quincy Adams (1767-1848), President of the United States 1825-1829 20,875 648 sq mi
(1,678 km²) Ashland County 003 Ashland 1860 unorganized territory Ashland, Henry Clay's estate in Kentucky 16,157 1,044 sq mi
(2,704 km²) Barron County 005 Barron 1859 Dallas and Polk counties Henry D. Barron, state senator and circuit court judge. 45,870 863 sq mi
(2,235 km²) Bayfield County 007 Washburn 1845 Ashland County Henry Bayfield, Royal naval officer and first to survey the Great Lakes area 15,014 1,476 sq mi
(3,823 km²) Brown County 009 Green Bay 1818 unorganized territory Major General Jacob Brown (1775-1828), a commanding general of the United States Army during the War of 1812 248,007 529 sq mi
(1,370 km²) Buffalo County 011 Alma 1853 Trempealeau County The Buffalo River, which flows through the county. 13,587 684 sq mi
(1,772 km²) Burnett County 013 Siren 1856 Polk County Thomas P. Burnett, state legislator 15,457 822 sq mi
(2,129 km²) Calumet County 015 Chilton 1836 unorganized territory The French word for a Menominee peace pipe. 48,971 320 sq mi
(829 km²) Chippewa County 017 Chippewa Falls 1845 Crawford County The Ojibwe nation of Native Americans (historically referred to as Chippewa) 62,415 1,010 sq mi
(2,616 km²) Clark County 019 Neillsville 1853 Crawford County George Rogers Clark (1752-1812), Revolutionary War general 34,690 1,216 sq mi
(3,149 km²) Columbia County 021 Portage 1846 Portage County Christopher Columbus (1451-1506), navigator and explorer 56,833 774 sq mi
(2,005 km²) Crawford County 023 Prairie du Chien 1818 unorganized territory William Harris Crawford (1772-1834), United States Senator from Georgia 1807-1813 and Secretary of the Treasury 1816-1825 16,644 573 sq mi
(1,484 km²) Dane County 025 Madison 1836 unorganized territory Nathan Dane (1752-1835), delegate to the First Continental Congress 1785-1788 488,073 1,202 sq mi
(3,113 km²) Dodge County 027 Juneau 1836 unorganized Henry Dodge (1782-1867), Territorial Governor of Wisconsin 1848-1857 88,759 882 sq mi
(2,284 km²) Door County 029 Sturgeon Bay 1851 Brown County A dangerous water passage near Door Peninsula known as porte des morts, or "door of the dead" in French 27,785 483 sq mi
(1,251 km²) Douglas County 031 Superior 1854 unorganized Stephen Douglas (1813-1861), United States Senator 1847-1861 44,159 1,309 sq mi
(3,390 km²) Dunn County 033 Menomonie 1854 Chippewa County Charles Dunn, state senator and chief justice of Wisconsin Territory 43,857 852 sq mi
(2,207 km²) Eau Claire County 035 Eau Claire 1856 Chippewa County City of Eau Claire, itself French for "clear water" 98,736 638 sq mi
(1,652 km²) Florence County 037 Florence (CDP) 1882 Marinette and Oconto Counties Florence Julst, the first white woman to settle in the area 4,423 488 sq mi
(1,264 km²) Fond du Lac County 039 Fond du Lac 1836 unorganized territory French for "foot of the lake" 101,633 723 sq mi
(1,873 km²) Forest County 041 Crandon 1885 Langlade and Oconto Counties Forest which covered the area when it was settled 9,304 1,014 sq mi
(2,626 km²) Grant County 043 Lancaster 1836 unorganized territory Probably a trader named Grant, who made contact with area natives in 1810, but about whom little else is known 51,208 1,148 sq mi
(2,973 km²) Green County 045 Monroe 1836 unorganized territory Nathanael Greene (1742-1786), quartermaster general during the American Revolutionary War 36,842 584 sq mi
(1,513 km²) Green Lake County 047 Green Lake 1858 Marquette District Green Lake, located within the county 19,051 354 sq mi
(917 km²) Iowa County 049 Dodgeville 1829 unorganized territory Iowa tribe of Native Americans 23,687 763 sq mi
(1,976 km²) Iron County 051 Hurley 1893 Ashland and Oneida Counties Local iron deposits 5,916 757 sq mi
(1,961 km²) Jackson County 053 Black River Falls 1853 La Crosse County Andrew Jackson (1767-1845), President of the United States 1829–1837 20,449 987 sq mi
(2,556 km²) Jefferson County 055 Jefferson 1836 Milwaukee County Thomas Jefferson (1743-1826), President of the United States (1801-1809) 83,686 557 sq mi
(1,443 km²) Juneau County 057 Mauston 1856 Adams County Solomon Juneau (1793-1856), founder of what would become Milwaukee 26,664 768 sq mi
(1,989 km²) Kenosha County 059 Kenosha 1850 Racine County A Native American word meaning "place of the pike" 166,426 273 sq mi
(707 km²) Kewaunee County 061 Kewaunee 1852 Manitowoc County Either a Potawatomi word meaning "river of the lost" or an Ojibwe word meaning "prairie hen", "wild duck" or "to go around" 20,574 343 sq mi
(888 km²) La Crosse County 063 La Crosse 1851 unorganized territory The Native American game of lacrosse 114,638 453 sq mi
(1,173 km²) Lafayette County 065 Darlington 1846 Iowa County Gilbert du Motier, marquis de La Fayette (1757-1834), a French general in the American Revolutionary War 16,836 634 sq mi
(1,642 km²) Langlade County 067 Antigo 1879 unorganized territory Charles de Langlade (1729 – c.1800), American Revolutionary War veteran and United States Indian Agent in Green Bay 19,977 873 sq mi
(2,261 km²) Lincoln County 069 Merrill 1874 Marathon County Abraham Lincoln (1809-1865), President of the United States 1861-1865 28,743 883 sq mi
(2,287 km²) Manitowoc County 071 Manitowoc 1836 unorganized territory Munedoo-owk, a Ojibwe word meaning "the place of the good spirit" 81,442 592 sq mi
(1,533 km²) Marathon County 073 Wausau 1850 Portage County Marathon, Greece 134,063 1,545 sq mi
(4,002 km²) Marinette County 075 Marinette 1879 Oconto Marie Antoinette Chevalier, Native American wife of early an fur trapper 41,749 1,402 sq mi
(3,631 km²) Marquette County 077 Montello 1836 Marquette District Father Pere Jacques Marquette, missionary and explorer 15,404 456 sq mi
(1,181 km²) Menominee County 078 Keshena 1961 Menominee Indian Reservation,Shawano, and Oconto Menominee nation of Native Americans 4,232 358 sq mi
(927 km²) Milwaukee County 079 Milwaukee 1835 unorganized territory Mahnawaukee-Seepe, a Native American word meaning "gathering place by the river" 947,735 242 sq mi
(627 km²) Monroe County 081 Sparta 1854 La Crosse County James Monroe (1758-1831), President of the United States 1817-1825 44,673 901 sq mi
(2,334 km²) Oconto County 083 Oconto 1851 unorganized territory A Native American settlement and the Oconto River, whose name means "plentiful with fish" 37,660 998 sq mi
(2,585 km²) Oneida County 085 Rhinelander 1885 Lincoln County Oneida nation of Native Americans 35,998 1,125 sq mi
(2,914 km²) Outagamie County 087 Appleton 1851 Brown County Outagamie nation of Native Americans 176,695 640 sq mi
(1,658 km²) Ozaukee County 089 Port Washington 1853 Milwaukee County The Ojibwe word for the Sauk nation 86,395 232 sq mi
(601 km²) Pepin County 091 Durand 1858 Dunn County Pierre and Jean Pepin du Chardonnets, explorers 7,469 232 sq mi
(601 km²) Pierce County 093 Ellsworth 1853 Saint Croix County Franklin Pierce (1804-1869), President of the United States 1853-1857 41,019 576 sq mi
(1,492 km²) Polk County 095 Balsam Lake 1853 Saint Croix County James Polk (1795-1849), President of the United States (1845-1849) 44,205 917 sq mi
(2,375 km²) Portage County 097 Stevens Point 1836 unorganized territory Passage between the Fox and Wisconsin Rivers 70,019 806 sq mi
(2,088 km²) Price County 099 Phillips 1879 Chippewa and Lincoln Counties William T. Price, president of the Wisconsin Senate 14,159 1,253 sq mi
(3,245 km²) Racine County 101 Racine 1836 unorganized territory Racine, the French word for "root", after the Root River, which flows through the county 195,408 333 sq mi
(862 km²) Richland County 103 Richland Center 1842 Iowa County The rich soil of the area 18,021 586 sq mi
(1,518 km²) Rock County 105 Janesville 1836 unorganized territory Rock River, which flows through the county 160,331 720 sq mi
(1,865 km²) Rusk County 107 Ladysmith 1901 Chippewa County Jeremiah McLain Rusk (1830-1893), Governor of Wisconsin 1882-1889 14,755 913 sq mi
(2,365 km²) Sauk County 111 Baraboo 1840 unorganized territory Sauk nation of Native Americans 61,976 838 sq mi
(2,170 km²) Sawyer County 113 Hayward 1883 Oconto County Philetus Sawyer (1816-1900), United States Representative (1865-1875) and Senator (1881-1893) from Wisconsin 16,557 1,256 sq mi
(3,253 km²) Shawano County 115 Shawano 1853 Oconto County A Ojibwe word meaning "southern" 41,949 893 sq mi
(2,313 km²) Sheboygan County 117 Sheboygan 1836 unorganized territory Shawb-wa-way-kun, a Native American word meaning "great noise underground" 115,507 514 sq mi
(1,331 km²) Saint Croix County 109 Hudson 1840 unorganized territory An early French explorer named St. Croix, about whom little is known 84,345 722 sq mi
(1,870 km²) Taylor County 119 Medford 1875 Clark, Lincoln, Marathon and Chippewa Counties William Robert Taylor (1820-1909), Governor of Wisconsin 1874-1876 20,689 975 sq mi
(2,525 km²) Trempealeau County 121 Whitehall 1854 Crawford and La Crosee Counties Trempealeau Mountain (from the French for "mountain with its foot in the water"), a bluff located in a bend of the Trempealeau River,^[8] which flows through the county^[6] 28,816 734 sq mi
(1,901 km²) Vernon County 123 Viroqua 1851 Richland and Crawford Counties Mount Vernon, home of George Washington 29,773 795 sq mi
(2,059 km²) Vilas County 125 Eagle River 1893 Oneida County William Vilas (1840-1908), officer in the Civil War, United States Postmaster General (1885-1888), United States Secretary of the Interior (1888-1889), and Senator from Wisconsin (1891-1897) 21,430 874 sq mi
(2,264 km²) Walworth County 127 Elkhorn 1836 unorganized territory Reuben Hyde Walworth (1788-1867), jurist from New York 102,228 555 sq mi
(1,437 km²) Washburn County 129 Shell Lake 1883 Burnett County Cadwallader Washburn (1818-1882), Governor of Wisconsin 1872–1874 and Representative from Wisconsin 1867–1871 15,911 810 sq mi
(2,098 km²) Washington County 131 West Bend 1836 unorganized territory George Washington (1732-1799), American Revolutionary War leader (1775–1783), and first President of the United States (1789–1797) 131,887 431 sq mi
(1,116 km²) Waukesha County 133 Waukesha 1846 Milwaukee County Waugooshance, a Pottawatomi word meaning "little foxes" 389,891 556 sq mi
(1,440 km²) Waupaca County 135 Waupaca 1851 Brown and Winnebago Counties wau-pa-ka-ho-nak, a Menominee word meaning "white sand bottom" or "brave young hero" 52,410 751 sq mi
(1,945 km²) Waushara County 137 Wautoma 1851 Marquette County A Native American word meaning "good earth" 24,496 626 sq mi
(1,621 km²) Winnebago County 139 Oshkosh 1840 unorganized territory Winnebago nation of Native Americans 166,994 439 sq mi
(1,137 km²) Wood County 141 Wisconsin Rapids 1856 Portage County Joseph Wood (1809-1890), state legislator (1856-1858) 74,749 793 sq mi
(2,054 km²)