Wisconsin statistical areas

The U.S. State of Wisconsin 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.^[1] As of 2023, the largest of these is the Milwaukee-Racine-Waukesha, WI CSA, comprising the area around Wisconsin's largest city, Milwaukee.

Statistical areas

The Office of Management and Budget (OMB) has designated more than 1,000 statistical areas for the United States and Puerto Rico.^[2] These statistical areas are important geographic delineations of population clusters used by the OMB, the United States Census Bureau, planning organizations, and federal, state, and local government entities.

The OMB defines a core-based statistical area (commonly referred to as a CBSA) as the county or counties (or county-equivalents) surrounding at least one densely-settled core of at least 10,000 population,^[2] "plus adjacent counties having a high degree of social and economic integration with the core as measured through commuting ties with the counties containing the core".^[2] The OMB further divides core-based statistical areas based on population into metropolitan statistical areas (MSAs) for those with at least 50,000 and micropolitan statistical areas (μSAs) for those with 10,000 to 49,999 people.^[2]

The OMB defines a combined statistical area (CSA) as two or more adjacent core-based statistical areas where the employment interchange rate (% commuting from A to B plus % commuting from B to A) is at least 15%.^[2] The primary statistical areas (PSAs) include all combined statistical areas and any core-based statistical area that is not a constituent of a combined statistical area.

Table

The 40 United States statistical areas and 72 counties of the State of Wisconsin^[a]

Combined statistical area[1]	2023 population (est.)[3]	Core-based statistical area[1]	2023 population (est.)[3]	County	2023 population (est.)[3]	Metropolitan division[1]	2023 population (est.)[3]
Milwaukee-Racine-Waukesha, WI CSA	2,036,833	Milwaukee-Waukesha, WI MSA	1,560,424	Milwaukee County, Wisconsin	916,205	none
				Waukesha County, Wisconsin	412,591
				Washington County, Wisconsin	138,168
				Ozaukee County, Wisconsin	93,460
		Racine-Mount Pleasant, WI MSA	196,613	Racine County, Wisconsin	196,613
		Whitewater-Elkhorn, WI μSA	105,822	Walworth County, Wisconsin	105,822
		Beaver Dam, WI μSA	88,231	Dodge County, Wisconsin	88,231
		Watertown-Fort Atkinson, WI μSA	85,743	Jefferson County, Wisconsin	85,743
Madison-Janesville-Beloit, WI CSA	924,543	Madison, WI MSA	694,345	Dane County, Wisconsin	575,347
				Columbia County, Wisconsin	58,091
				Green County, Wisconsin	36,951
				Iowa County, Wisconsin	23,956
		Janesville-Beloit, WI MSA	164,278	Rock County, Wisconsin	164,278
		Baraboo, WI μSA	65,920	Sauk County, Wisconsin	65,920
Appleton-Oshkosh-Neenah, WI CSA	418,168	Appleton, WI MSA	246,433	Outagamie County, Wisconsin	193,234
				Calumet County, Wisconsin	53,199
		Oshkosh-Neenah, WI MSA	171,735	Winnebago County, Wisconsin	171,735
Green Bay-Shawano, WI CSA	377,217	Green Bay, WI MSA	331,882	Brown County, Wisconsin	271,417
				Oconto County, Wisconsin	39,775
				Kewaunee County, Wisconsin	20,690
		Shawano, WI μSA	45,335	Shawano County, Wisconsin	41,109
				Menominee County, Wisconsin	4,226
Wausau-Stevens Point-Wisconsin Rapids, WI CSA	283,575	Wausau, WI MSA	138,612	Marathon County, Wisconsin	138,612
		Wisconsin Rapids-Marshfield, WI μSA	73,939	Wood County, Wisconsin	73,939
		Stevens Point-Plover, WI μSA	71,024	Portage County, Wisconsin	71,024
Eau Claire-Menomonie, WI CSA	220,667	Eau Claire, WI MSA	174,873	Eau Claire County, Wisconsin	107,903
				Chippewa County, Wisconsin	66,970
		Menomonie, WI μSA	45,794	Dunn County, Wisconsin	45,794
La Crosse-Onalaska-Sparta, WI-MN MSA	216,389 197,807 (WI)	La Crosse-Onlaska, WI-MN MSA	170,238 151,656 (WI)	La Crosse County, Wisconsin	120,486
				Vernon County, Wisconsin	31,170
				Houston County, Minnesota	18,582
		Sparta, WI μSA	46,151	Monroe County, Wisconsin	46,151
Chicago-Naperville, IL-IN-WI CSA	9,794,558 167,488 (WI)	Chicago-Naperville-Elgin, IL-IN MSA	9,262,825	Cook County, Illinois	5,087,072	Chicago-Naperville-Schaumburg, IL MD	7,075,391
				DuPage County, Illinois	921,213
				Will County, Illinois	700,728
				McHenry County, Illinois	312,800
				Grundy County, Illinois	53,578
				Kane County, Illinois	514,982	Elgin, IL MD	755,246
				Kendall County, Illinois	139,976
				DeKalb County, Illinois	100,288
				Lake County, Indiana	500,598	Lake County-Porter County-Jasper County, IN MD	723,428
				Porter County, Indiana	175,335
				Jasper County, Indiana	33,535
				Newton County, Indiana	13,960
				Lake County, Illinois	708,760	Lake County, IL MD	708,760
		Kenosha, WI MSA	167,488	Kenosha County, Wisconsin	167,488	none
		Ottawa, IL μSA	146,599	LaSalle County, Illinois	108,309
				Bureau County, Illinois	32,729
				Putnam County, Illinois	5,561
		Michigan City-La Porte, IN MSA	111,706	LaPorte County, Indiana	111,706
		Kankakee, IL MSA	105,940	Kankakee County, Illinois	105,940
Minneapolis-St. Paul, MN-WI CSA	4,104,630 139,789 (WI)	Minneapolis-St. Paul-Bloomington, MN-WI MSA	3,711,864 139,789 (WI)	Hennepin County, Minnesota	1,258,713
				Ramsey County, Minnesota	536,075
				Dakota County, Minnesota	447,440
				Anoka County, Minnesota	372,441
				Washington County, Minnesota	278,936
				Scott County, Minnesota	155,814
				Wright County, Minnesota	151,150
				Carver County, Minnesota	111,057
				Sherburne County, Minnesota	102,206
				St. Croix County, Wisconsin	96,763
				Chisago County, Minnesota	58,535
				Isanti County, Minnesota	43,182
				Pierce County, Wisconsin	43,026
				Le Sueur County, Minnesota	29,255
				Mille Lacs County, Minnesota	27,427
		St. Cloud, MN MSA	202,577	Stearns County, Minnesota	160,977
				Benton County, Minnesota	41,600
		Faribault-Northfield, MN μSA	67,948	Rice County, Minnesota	67,948
		Red Wing, MN μSA	48,035	Goodhue County, Minnesota	48,035
		Owatonna, MN μSA	37,421	Steele County, Minnesota	37,421
		Hutchinson, MN μSA	36,785	McLeod County, Minnesota	36,785
none		Sheboygan, WI MSA	117,752	Sheboygan County, Wisconsin	117,752
		Fond du Lac, WI MSA	103,948	Fond du Lac County, Wisconsin	103,948
		Manitowoc, WI μSA	81,331	Manitowoc County, Wisconsin	81,331
		Platteville, WI μSA	51,409	Grant County, Wisconsin	51,409
		Rice Lake, WI μSA	46,833	Barron County, Wisconsin	46,833
Marinette-Iron Mountain, WI-MI CSA	95,715 46,788 (WI)	Marinette, WI-MI μSA	65,051 42,106 (WI)	Marinette County, Wisconsin	42,106
				Menominee County, Michigan	22,945
		Iron Mountain, MI-WI μSA	30,664 4,682 (WI)	Dickinson County, Michigan	25,982
				Florence County, Wisconsin	4,682
Duluth-Grand Rapids, MN-WI CSA	326,968 44,264 (WI)	Duluth, MN-WI MSA	281,603 44,264 (WI)	St. Louis County, Minnesota	200,514
				Douglas County, Wisconsin	44,264
				Carlton County, Minnesota	36,825
		Grand Rapids, MN μSA	45,365	Itasca County, Minnesota	45,365
none				Waupaca County, Wisconsin	51,388
				Polk County, Wisconsin	45,762
				Oneida County, Wisconsin	38,226
				Clark County, Wisconsin	34,774
				Trempealeau County, Wisconsin	30,899
				Door County, Wisconsin	30,562
				Lincoln County, Wisconsin	28,405
				Juneau County, Wisconsin	26,594
				Waushara County, Wisconsin	24,934
				Vilas County, Wisconsin	23,885
				Adams County, Wisconsin	21,449
				Jackson County, Wisconsin	20,855
				Taylor County, Wisconsin	20,058
				Langlade County, Wisconsin	19,404
				Green Lake County, Wisconsin	19,344
				Sawyer County, Wisconsin	18,552
				Richland County, Wisconsin	17,197
				Burnett County, Wisconsin	17,092
				Lafayette County, Wisconsin	16,945
				Washburn County, Wisconsin	16,930
				Bayfield County, Wisconsin	16,769
				Ashland County, Wisconsin	16,079
				Crawford County, Wisconsin	15,944
				Marquette County, Wisconsin	15,838
				Rusk County, Wisconsin	14,143
				Price County, Wisconsin	14,102
				Buffalo County, Wisconsin	13,419
				Forest County, Wisconsin	9,325
				Pepin County, Wisconsin	7,441
				Iron County, Wisconsin	6,228
State of Wisconsin					5,910,955

Core-based statistical areas

The following table provides the in-state population ranking of each CBSA along with its rate of population change over time.

The 29 core-based statistical areas of the State of Wisconsin^[b]

2023 rank	Core-based statistical area[1]	Population
		2023 estimate[3]	Change	2020 Census[4]	Change	2010 Census[5]
1	Milwaukee-Waukesha, WI MSA	1,560,424	−0.91%	1,574,731	+1.21%	1,555,908
2	Madison, WI MSA	694,345	+1.99%	680,796	+12.45%	605,435
3	Green Bay, WI MSA	331,882	+1.10%	328,268	+7.19%	306,241
4	Appleton, WI MSA	246,433	+1.35%	243,147	+7.75%	225,666
5	Racine-Mount Pleasant, WI MSA	196,613	−0.56%	197,727	+1.19%	195,408
6	Eau Claire, WI MSA	174,873	+1.67%	172,007	+6.74%	161,151
7	Oshkosh-Neenah, WI MSA	171,735	+0.00%	171,730	+2.84%	166,994
8	Kenosha, WI MSA	167,488	−0.98%	169,151	+1.64%	166,426
9	Janesville-Beloit, WI MSA	164,278	+0.36%	163,687	+2.09%	160,331
10	La Crosse-Onalaska, WI-MN MSA (WI)	151,656	+0.10%	151,498	+4.91%	144,411
11	Minneapolis-St. Paul-Bloomington, MN-WI MSA (WI)	139,789	+2.98%	135,748	+8.28%	125,364
12	Wausau, WI MSA	138,612	+0.43%	138,013	+2.95%	134,063
13	Sheboygan, WI MSA	117,752	−0.24%	118,034	+2.19%	115,507
14	Whitewater-Elkhorn, WI μSA	105,822	−0.62%	106,478	+4.16%	102,228
15	Fond du Lac, WI MSA	103,948	−0.20%	104,154	+2.48%	101,633
16	Beaver Dam, WI μSA	88,231	−1.30%	89,396	+0.72%	88,759
17	Watertown-Fort Atkinson, WI μSA	85,743	+0.99%	84,900	+1.45%	83,686
18	Manitowoc, WI μSA	81,331	−0.03%	81,359	−0.10%	81,442
19	Wisconsin Rapids-Marshfield, WI μSA	73,939	−0.36%	74,207	−0.73%	74,749
20	Stevens Point-Plover, WI μSA	71,024	+0.92%	70,377	+0.51%	70,019
21	Baraboo, WI μSA	65,920	+0.24%	65,763	+6.11%	61,976
22	Platteville, WI μSA	51,409	−1.02%	51,938	+1.43%	51,208
23	Rice Lake, WI μSA	46,833	+0.26%	46,711	+1.83%	45,870
24	Sparta, WI μSA	46,151	−0.27%	46,274	+3.58%	44,673
25	Menomonie, WI μSA	45,794	+0.78%	45,440	+3.61%	43,857
26	Shawano, WI μSA	45,335	+0.44%	45,136	−2.26%	46,181
27	Duluth, MN-WI MSA (WI)	44,264	−0.07%	44,295	+0.31%	44,159
28	Marinette, WI-MI μSA (WI)	42,106	+0.56%	41,872	+0.29%	41,749
29	Iron Mountain, MI-WI μSA (WI)	4,682	+2.72%	4,558	+3.05%	4,423
	Duluth, MN-WI MSA	281,603	+0.31%	280,733	+0.34%	279,771
	Iron Mountain, MI-WI μSA	30,664	+0.52%	30,505	−0.28%	30,591
	La Crosse-Onalaska, WI-MN MSA	170,238	−0.06%	170,341	+4.22%	163,438
	Marinette, WI-MI μSA	65,051	−0.49%	65,374	−0.61%	65,778
	Minneapolis-St. Paul-Bloomington, MN-WI MSA	3,712,020	+0.59%	3,690,261	+10.70%	3,333,633

Combined statistical areas

The following table provides the in-state population ranking of each CSA along with its rate of population change over time.

The 11 combined statistical areas of the State of Wisconsin^[c]

2023 rank	Combined statistical area[1]	Population
		2023 estimate[3]	Change	2020 Census[4]	Change	2010 Census[5]
1	Milwaukee-Racine-Waukesha, WI CSA	2,036,833	−0.80%	2,053,232	+1.34%	2,025,989
2	Madison-Janesville-Beloit, WI CSA	924,543	+1.57%	910,246	+9.97%	827,742
3	Appleton-Oshkosh-Neenah, WI CSA	418,168	+0.79%	414,877	+5.66%	392,660
4	Green Bay-Shawano, WI CSA	377,217	+1.02%	373,404	+5.95%	352,422
5	Wausau-Stevens Point-Wisconsin Rapids, WI CSA	283,575	+0.35%	282,597	+1.35%	278,831
6	Eau Claire-Menomonie, WI CSA	220,667	+1.48%	217,447	+6.07%	205,008
7	La Crosse-Onalaska-Sparta, WI-MN CSA (WI)	197,807	+0.02%	197,772	+4.59%	189,084
8	Chicago-Naperville, IL-IN-WI CSA (WI)	167,488	−0.98%	169,151	+1.64%	166,426
9	Minneapolis-St. Paul, MN-WI CSA (WI)	139,945	+3.09%	135,748	+8.28%	125,364
10	Marinette-Iron Mountain, WI-MI CSA (WI)	46,788	+0.77%	46,430	+0.56%	46,172
11	Duluth-Grand Rapids, MN-WI CSA (WI)	44,264	−0.07%	44,295	+0.31%	44,159
	Chicago-Naperville, IL-IN-WI CSA	9,794,558	−1.93%	9,986,960	+1.48%	9,840,929
	Duluth-Grand Rapids, MN-WI CSA	326,968	+0.37%	325,747	+0.28%	324,829
	La Crosse-Onalaska-Sparta, WI-MN CSA	216,389	−0.10%	216,615	+4.09%	208,111
	Marinette-Iron Mountain, WI-MI CSA	95,715	−0.17%	95,879	−0.51%	96,369
	Minneapolis-St. Paul, MN-WI CSA	4,104,786	+0.64%	4,078,788	+10.05%	3,706,278

See also

• Geography portal
• United States portal
• Wisconsin portal

• Geography of Wisconsin
  • Demographics of Wisconsin

Notes

1. An out-of-state area and its population are displayed in green. An area that extends into more than one state is displayed in purple. A purple population number over a black population number show the total population versus the in-state population. The state's abbreviation is also shown next to the in-state total.
2. For CBSAs comprising populations from multiple states, they are listed twice to show both their intrastate population within that CBSA as well as the CBSA's total population. Only the intrastate population is ranked.
3. For CSAs comprising populations from multiple states, they are listed twice to show both their intrastate population within that CSA as well as the CSA's total population. Only the intrastate population is ranked.