The U.S. currently has 40 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated 11 combined statistical areas, 15 metropolitan statistical areas, and 14 micropolitan statistical areas in Wisconsin. As of 2025, the largest of these is the Milwaukee–Racine–Waukesha, WI CSA, comprising the area around Wisconsin's largest city, Milwaukee.

+The 40 United States statistical areas and 72 counties of the State of WisconsinCombined statistical area2025 population (est.)Core-based statistical area2025 population (est.)County2025 population (est.)Metropolitan division2025 population (est.)Milwaukee–Racine–Waukesha, WI CSA2,055,558Milwaukee–Waukesha, WI MSA1,575,010Milwaukee County, Wisconsin924,216noneWaukesha County, Wisconsin417,210Washington County, Wisconsin139,238Ozaukee County, Wisconsin94,346Racine–Mount Pleasant, WI MSA198,919Racine County, Wisconsin198,919Whitewater–Elkhorn, WI μSA106,027Walworth County, Wisconsin106,127Beaver Dam, WI μSA89,097Dodge County, Wisconsin89,097Watertown–Fort Atkinson, WI μSA86,505Jefferson County, Wisconsin86,505Madison–Janesville–Beloit, WI CSA942,809Madison, WI MSA709,685Dane County, Wisconsin590,375Columbia County, Wisconsin58,132Green County, Wisconsin37,227Iowa County, Wisconsin23,951Janesville–Beloit, WI MSA166,472Rock County, Wisconsin166,472Baraboo, WI μSA66,652Sauk County, Wisconsin66,652Appleton–Oshkosh–Neenah, WI CSA424,094Appleton, WI MSA249,876Outagamie County, Wisconsin195,894Calumet County, Wisconsin53,982Oshkosh–Neenah, WI MSA174,218Winnebago County, Wisconsin174,218Green Bay–Shawano, WI CSA382,515Green Bay, WI MSA336,756Brown County, Wisconsin275,803Oconto County, Wisconsin40,195Kewaunee County, Wisconsin20,758Shawano, WI μSA45,759Shawano County, Wisconsin41,560Menominee County, Wisconsin4,199Wausau–Stevens Point–Wisconsin Rapids, WI CSA285,435Wausau, WI MSA139,432Marathon County, Wisconsin139,432Wisconsin Rapids–Marshfield, WI μSA74,060Wood County, Wisconsin74,060Stevens Point–Plover, WI μSA71,943Portage County, Wisconsin71,943Eau Claire–Menomonie, WI CSA222,870Eau Claire, WI MSA176,647Eau Claire County, Wisconsin109,033Chippewa County, Wisconsin67,614Menomonie, WI μSA46,223Dunn County, Wisconsin46,223La Crosse–Onalaska–Sparta, WI-MN MSA217,754199,354 ()La Crosse–Onlaska, WI-MN MSA171,182152,782 (WI)La Crosse County, Wisconsin121,339Vernon County, Wisconsin31,443Houston County, Minnesota18,400Sparta, WI μSA46,572Monroe County, Wisconsin46,572Chicago–Naperville, IL-IN-WI CSA9,965,292168,448 (WI)Chicago–Naperville–Elgin, IL-IN MSA9,434,123Cook County, Illinois5,194,625Chicago-Naperville-Schaumburg, IL MD7,212,979DuPage County, Illinois934,298Will County, Illinois712,253McHenry County, Illinois317,751Grundy County, Illinois54,052Kane County, Illinois525,757Elgin, IL MD773,062Kendall County, Illinois145,470DeKalb County, Illinois101,835Lake County, Indiana504,612Lake County-Porter County-Jasper County, IN MD728,743Porter County, Indiana176,049Jasper County, Indiana33,894Newton County, Indiana14,188Lake County, Illinois719,339Lake County, IL MD719,339Kenosha, WI MSA168,448Kenosha County, Wisconsin168,448noneOttawa, IL μSA145,902LaSalle County, Illinois107,773Bureau County, Illinois32,510Putnam County, Illinois5,619Michigan City–La Porte, IN MSA111,294LaPorte County, Indiana111,294Kankakee, IL MSA105,525Kankakee County, Illinois105,525Minneapolis–St. Paul, MN-WI CSA4,188,378141,795 (WI)Minneapolis–St. Paul–Bloomington, MN-WI MSA3,790,295141,795 (WI)Hennepin County, Minnesota1,284,784Ramsey County, Minnesota541,623Dakota County, Minnesota457,710Anoka County, Minnesota381,605Washington County, Minnesota286,895Scott County, Minnesota159,017Wright County, Minnesota157,559Carver County, Minnesota114,379Sherburne County, Minnesota104,194St. Croix County, Wisconsin98,276Chisago County, Minnesota59,142Isanti County, Minnesota44,386Pierce County, Wisconsin43,519Le Sueur County, Minnesota29,453Mille Lacs County, Minnesota27,753St. Cloud, MN MSA205,854Stearns County, Minnesota164,110Benton County, Minnesota41,744Faribault–Northfield, MN μSA69,939Rice County, Minnesota69,939Red Wing, MN μSA48,195Goodhue County, Minnesota48,195Owatonna, MN μSA37,464Steele County, Minnesota37,464Hutchinson, MN μSA36,631McLeod County, Minnesota36,631noneSheboygan, WI MSA118,047Sheboygan County, Wisconsin118,047Fond du Lac, WI MSA104,669Fond du Lac County, Wisconsin104,669Manitowoc, WI μSA81,710Manitowoc County, Wisconsin81,710Platteville, WI μSA52,446Grant County, Wisconsin52,446Marinette–Iron Mountain, WI-MI CSA96,09047,322 (WI)Marinette, WI-MI μSA65,51542,574 (WI)Marinette County, Wisconsin42,574Menominee County, Michigan22,941Iron Mountain, MI-WI μSA30,5754,748 (WI)Dickinson County, Michigan25,827Florence County, Wisconsin4,748noneRice Lake, WI μSA46,484Barron County, Wisconsin46,484Duluth–Grand Rapids, MN-WI CSA326,62343,990 (WI)Duluth, MN-WI MSA281,21943,990 (WI)St. Louis County, Minnesota200,518Douglas County, Wisconsin43,990Carlton County, Minnesota36,711Grand Rapids, MN μSA45,404Itasca County, Minnesota45,404noneWaupaca County, Wisconsin51,461Polk County, Wisconsin45,803Oneida County, Wisconsin38,131Clark County, Wisconsin35,052Trempealeau County, Wisconsin31,171Door County, Wisconsin30,616Lincoln County, Wisconsin28,403Juneau County, Wisconsin26,649Waushara County, Wisconsin25,223Vilas County, Wisconsin23,761Adams County, Wisconsin21,752Jackson County, Wisconsin20,999Taylor County, Wisconsin20,118Langlade County, Wisconsin19,534Green Lake County, Wisconsin19,305Sawyer County, Wisconsin18,846Lafayette County, Wisconsin17,478Burnett County, Wisconsin17,223Washburn County, Wisconsin17,087Richland County, Wisconsin17,036Bayfield County, Wisconsin16,787Ashland County, Wisconsin16,203Marquette County, Wisconsin15,927Crawford County, Wisconsin15,910Rusk County, Wisconsin14,146Price County, Wisconsin13,988Buffalo County, Wisconsin13,318Forest County, Wisconsin9,574Pepin County, Wisconsin7,513Iron County, Wisconsin6,127State of Wisconsin5,972,787

+The 29 core-based statistical areas of the State of Wisconsin2025 rankCore-based statistical areaPopulation2025 estimateChange2020 CensusChange2010 CensusMilwaukee–Waukesha, WI MSAMadison, WI MSAGreen Bay, WI MSAAppleton, WI MSARacine–Mount Pleasant, WI MSAEau Claire, WI MSAOshkosh–Neenah, WI MSAKenosha, WI MSAJanesville-Beloit, WI MSALa Crosse–Onalaska, WI-MN MSA (WI)Minneapolis–St. Paul–Bloomington, MN-WI MSA (WI)Wausau, WI MSASheboygan, WI MSAWhitewater–Elkhorn, WI μSAFond du Lac, WI MSABeaver Dam, WI μSAWatertown–Fort Atkinson, WI μSAManitowoc, WI μSAWisconsin Rapids–Marshfield, WI μSAStevens Point–Plover, WI μSABaraboo, WI μSAPlatteville, WI μSASparta, WI μSARice Lake, WI μSAMenomonie, WI μSAShawano, WI μSADuluth, MN-WI MSA (WI)Marinette, WI-MI μSA (WI)Iron Mountain, MI-WI μSA (WI)Duluth, MN-WI MSAIron Mountain, MI-WI μSALa Crosse–Onalaska, WI-MN MSAMarinette, WI-MI μSAMinneapolis–St. Paul–Bloomington, MN-WI MSA

+The 11 combined statistical areas of the State of Wisconsin2025 rankCombined statistical areaPopulation2025 estimateChange2020 CensusChange2010 CensusMilwaukee–Racine–Waukesha, WI CSAMadison–Janesville–Beloit, WI CSAAppleton–Oshkosh–Neenah, WI CSAGreen Bay–Shawano, WI CSAWausau–Stevens Point–Wisconsin Rapids, WI CSAEau Claire–Menomonie, WI CSALa Crosse–Onalaska–Sparta, WI-MN CSA (WI)Chicago–Naperville, IL-IN-WI CSA (WI)Minneapolis–St. Paul, MN-WI CSA (WI)Marinette–Iron Mountain, WI-MI CSA (WI)Duluth–Grand Rapids, MN-WI CSA (WI)Chicago–Naperville, IL-IN-WI CSADuluth–Grand Rapids, MN-WI CSALa Crosse–Onalaska–Sparta, WI-MN CSAMarinette–Iron Mountain, WI-MI CSAMinneapolis–St. Paul, MN-WI CSA

See also

Geography of Wisconsin Demographics of Wisconsin

Notes

References

External links

Office of Management and Budget United States Census Bureau