How many counties in Wisconsin? All 72 listed
Quick answer
Wisconsin has 72 counties and county equivalents holding 5,892,023 residents. The most populous county in Wisconsin is Milwaukee County with 927,656 residents; the smallest is Menominee County. County boundaries divide the state's land area — measured in square miles by the Census Bureau — into the units used for property assessment, elections and local sales tax. The statewide sales tax base rate is 5%, before county and city add-ons.
All 72 counties
Ranked by population, Census 2019-2023 ACS 5-year estimates.
| County | Population | Median income | Median home value | Median rent |
|---|---|---|---|---|
| Milwaukee County | 927,656 | $62,118 | $216,500 | $1,069 |
| Dane County | 564,777 | $88,108 | $366,100 | $1,345 |
| Waukesha County | 409,040 | $104,100 | $373,600 | $1,300 |
| Brown County | 269,425 | $77,490 | $245,900 | $973 |
| Racine County | 196,888 | $75,331 | $239,400 | $1,017 |
| Outagamie County | 191,537 | $82,857 | $244,100 | $998 |
| Winnebago County | 171,357 | $72,873 | $208,600 | $924 |
| Kenosha County | 168,413 | $79,412 | $247,800 | $1,175 |
| Rock County | 163,944 | $74,390 | $215,900 | $1,019 |
| Marathon County | 138,067 | $76,185 | $205,500 | $950 |
| Washington County | 137,320 | $95,851 | $316,200 | $1,126 |
| La Crosse County | 120,262 | $70,704 | $243,200 | $1,023 |
| Sheboygan County | 117,783 | $71,898 | $218,400 | $889 |
| Eau Claire County | 106,328 | $71,834 | $242,400 | $977 |
| Walworth County | 105,447 | $77,359 | $275,900 | $1,090 |
| Fond du Lac County | 104,053 | $73,154 | $209,800 | $926 |
| St. Croix County | 94,819 | $102,482 | $349,700 | $1,238 |
| Ozaukee County | 92,345 | $96,734 | $368,900 | $1,112 |
| Dodge County | 88,818 | $73,992 | $218,400 | $963 |
| Jefferson County | 85,867 | $80,604 | $253,800 | $1,012 |
| Manitowoc County | 81,314 | $68,611 | $172,900 | $777 |
| Wood County | 74,039 | $66,417 | $168,100 | $831 |
| Portage County | 70,375 | $73,284 | $230,400 | $903 |
| Chippewa County | 66,558 | $74,009 | $237,700 | $963 |
| Sauk County | 65,759 | $77,648 | $242,400 | $970 |
| Columbia County | 58,322 | $82,792 | $258,700 | $926 |
| Calumet County | 52,626 | $87,700 | $252,100 | $1,002 |
| Waupaca County | 51,714 | $71,189 | $192,800 | $834 |
| Grant County | 51,678 | $64,349 | $186,300 | $812 |
| Barron County | 46,741 | $64,619 | $198,300 | $859 |
| Monroe County | 46,169 | $68,213 | $197,200 | $920 |
| Dunn County | 45,349 | $71,785 | $226,200 | $942 |
| Polk County | 45,327 | $76,208 | $241,200 | $958 |
| Douglas County | 44,197 | $72,579 | $190,400 | $903 |
| Pierce County | 42,351 | $88,802 | $308,600 | $1,025 |
| Marinette County | 41,907 | $63,401 | $154,600 | $749 |
| Shawano County | 40,927 | $67,032 | $179,100 | $777 |
| Oconto County | 39,329 | $75,886 | $212,000 | $796 |
| Oneida County | 38,007 | $69,621 | $227,500 | $868 |
| Green County | 37,036 | $80,248 | $236,900 | $851 |
| Clark County | 34,736 | $66,250 | $163,800 | $786 |
| Vernon County | 30,915 | $69,556 | $210,600 | $826 |
| Trempealeau County | 30,786 | $71,295 | $203,300 | $887 |
| Door County | 30,279 | $71,785 | $305,800 | $995 |
| Lincoln County | 28,403 | $67,726 | $177,700 | $768 |
| Juneau County | 26,695 | $65,150 | $165,200 | $847 |
| Waushara County | 24,752 | $64,968 | $186,000 | $789 |
| Iowa County | 23,832 | $83,372 | $248,100 | $941 |
| Vilas County | 23,410 | $67,132 | $270,700 | $810 |
| Jackson County | 20,971 | $65,508 | $186,900 | $789 |
| Adams County | 20,928 | $59,153 | $184,500 | $789 |
| Kewaunee County | 20,621 | $80,085 | $208,900 | $839 |
| Taylor County | 19,972 | $63,142 | $186,500 | $786 |
| Langlade County | 19,473 | $57,258 | $145,800 | $737 |
| Green Lake County | 19,165 | $66,917 | $206,300 | $806 |
| Sawyer County | 18,243 | $59,055 | $223,300 | $683 |
| Richland County | 17,229 | $62,649 | $182,800 | $786 |
| Lafayette County | 16,788 | $72,091 | $182,100 | $835 |
| Washburn County | 16,749 | $61,270 | $207,900 | $815 |
| Burnett County | 16,741 | $61,664 | $215,500 | $758 |
| Bayfield County | 16,410 | $69,609 | $228,100 | $789 |
| Crawford County | 16,064 | $63,496 | $175,100 | $809 |
| Ashland County | 16,050 | $57,645 | $160,500 | $665 |
| Marquette County | 15,706 | $63,471 | $201,100 | $800 |
| Rusk County | 14,146 | $58,322 | $152,000 | $816 |
| Price County | 14,077 | $58,720 | $146,000 | $801 |
| Buffalo County | 13,341 | $68,722 | $197,600 | $822 |
| Forest County | 9,261 | $59,727 | $170,000 | $585 |
| Pepin County | 7,372 | $74,536 | $196,100 | $860 |
| Iron County | 6,164 | $59,058 | $155,200 | $640 |
| Florence County | 4,617 | $62,786 | $170,000 | $871 |
| Menominee County | 4,256 | $59,528 | $97,000 | $624 |
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
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