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Counties · Wisconsin

Counties of Wisconsin

Wisconsin has 72 counties. Milwaukee County is the largest with 924,216 residents in 2025. 54 of the 72 gained residents between 2020 and 2025 by the Census Bureau's estimates.

What counties are in Wisconsin?

Sorted by the 2025 population estimate; sort by any column.

Counties of Wisconsin: 2025 estimate, change since 2020, ACS 2020-2024 5-year estimates
Milwaukee County924,216−1.6%19302$64,435$230,700
Dane County590,375+5.1%60125$89,975$394,800
Waukesha County417,210+2.5%4098$106,076$398,200
Brown County275,803+2.6%2658$79,649$266,000
Racine County198,919+0.4%2247$78,096$251,400
Outagamie County195,894+2.7%3547$85,069$267,300
Winnebago County174,218+1.4%2645$74,925$225,800
Kenosha County168,448−0.4%1643$81,239$265,500
Rock County166,472+1.7%3241$75,673$231,600
Marathon County139,432+1.0%6232$77,884$219,600
Washington County139,238+1.8%2230$96,359$344,800
La Crosse County121,339+0.4%2128$73,013$257,000
Sheboygan County118,047+0.0%3229$73,094$232,700
Eau Claire County109,033+3.1%1822$74,546$261,000
Walworth County106,127+0.9%4129$80,520$302,700
Fond du Lac County104,669+0.5%3823$74,275$222,800
St. Croix County98,276+5.1%3718$103,046$377,700
Ozaukee County94,346+3.1%1722$96,996$390,200
Dodge County89,097−0.3%4720$75,929$231,900
Jefferson County86,505+0.4%3321$83,750$274,100
Manitowoc County81,710+0.4%3220$69,148$186,900
Wood County74,060−0.2%3717$67,989$175,600
Portage County71,943+2.2%3015$76,070$243,100
Chippewa County67,614+2.0%3512$74,680$257,900
Sauk County66,652+1.3%4124$79,541$258,600
Columbia County58,132−0.6%3713$85,351$283,200
Calumet County53,982+2.9%2211$88,810$274,200
Grant County52,446+1.0%5512$66,858$200,700
Waupaca County51,461−0.7%3712$72,830$211,400
Monroe County46,572+0.6%389$69,467$210,000
Barron County46,484−0.5%3712$65,933$216,600
Dunn County46,223+1.7%339$74,824$243,200
Polk County45,803+1.8%3714$77,219$271,900
Douglas County43,990−0.7%2415$75,099$205,800
Pierce County43,519+3.1%278$92,109$333,700
Marinette County42,574+1.7%2913$63,809$158,600
Shawano County41,560+1.7%5011$66,479$194,000
Oconto County40,195+3.2%3412$75,049$231,400
Oneida County38,131+0.8%2516$69,371$238,400
Green County37,227+0.4%258$82,852$250,200
Clark County35,052+1.2%488$67,400$172,800
Vernon County31,443+2.4%337$71,893$223,800
Trempealeau County31,171+1.3%278$76,313$216,700
Door County30,616+1.8%2210$74,795$342,600
Lincoln County28,403−0.0%1810$68,164$192,700
Juneau County26,649−0.3%298$67,270$177,700
Waushara County25,223+2.9%298$67,107$203,100
Iowa County23,951+1.0%306$82,182$265,000
Vilas County23,761+3.1%188$68,431$300,000
Adams County21,752+5.3%278$59,442$200,800
Jackson County20,999−0.7%315$68,110$196,100
Kewaunee County20,758+1.0%156$82,725$222,200
Taylor County20,118+1.0%316$69,350$197,100
Langlade County19,534+0.2%227$55,878$158,200
Green Lake County19,305+1.5%176$68,196$215,400
Sawyer County18,846+4.2%268$60,801$236,200
Lafayette County17,478+5.2%305$76,462$194,500
Burnett County17,223+4.2%256$62,819$231,300
Washburn County17,087+2.8%286$63,441$226,100
Richland County17,036−1.6%245$66,420$197,500
Bayfield County16,787+3.5%367$71,151$240,800
Ashland County16,203+1.1%268$62,462$170,300
Marquette County15,927+2.1%225$65,681$210,400
Crawford County15,910−1.2%236$64,094$183,400
Rusk County14,146−0.2%335$59,944$163,400
Price County13,988−0.5%236$60,546$162,500
Buffalo County13,318−0.0%255$70,479$213,300
Forest County9,574+4.2%204$61,071$185,000
Pepin County7,513+2.6%122$75,256$214,800
Iron County6,127−0.2%164$60,625$165,900
Florence County4,748+4.1%103$61,086$173,200
Menominee County4,199−1.2%63$62,108$110,200

Source: PEP Vintage 2025 (CO-EST2025); American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Census population estimates

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections