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What are the fastest-growing counties in Wisconsin?

Lafayette County (+5.2%), Adams County (+5.1%) and Dane County (+4.9%) grew fastest in Wisconsin between 2020 and 2025.

Wisconsin as a whole grew 1.3% between 2020 and 2025, to 5,972,787 residents.

Data as of 2025 · updated

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All 72 Wisconsin counties ranked

Wisconsin counties by population growth
RankCountyResidents 2025Change 2020–25Net migration per 1,000, 2025New homes per 1,000, 2025
1Lafayette County17,478+5.2%−2.52.6
2Adams County21,752+5.1%17.07.7
3Dane County590,375+4.9%0.611.2
4St. Croix County98,276+4.7%3.64.7
5Forest County9,574+4.4%8.64.8
6Florence County4,748+4.0%20.47.2
7Sawyer County18,846+4.0%7.410.7
8Burnett County17,223+3.9%8.58.3
9Bayfield County16,787+3.4%4.510.0
10Pierce County43,519+3.1%4.18.4
11Ozaukee County94,346+3.0%7.75.1
12Eau Claire County109,033+3.0%2.86.7
13Vilas County23,761+2.9%10.713.2
14Calumet County53,982+2.9%2.24.5
15Oconto County40,195+2.9%7.53.3
16Washburn County17,087+2.8%9.18.5
17Waushara County25,223+2.8%11.54.0
18Outagamie County195,894+2.6%3.35.2
19Brown County275,803+2.5%1.74.4
20Vernon County31,443+2.4%0.32.4
21Waukesha County417,210+2.4%3.02.8
22Pepin County7,513+2.2%−4.94.0
23Portage County71,943+2.2%3.43.4
24Marquette County15,927+2.1%10.43.9
25Chippewa County67,614+1.9%5.73.2
26Washington County139,238+1.8%3.42.9
27Polk County45,803+1.7%3.75.3
28Shawano County41,560+1.7%3.92.8
29Dunn County46,223+1.7%3.92.1
30Rock County166,472+1.7%4.62.3
31Marinette County42,574+1.6%8.85.1
32Door County30,616+1.6%7.09.9
33Green Lake County19,305+1.5%2.15.5
34Winnebago County174,218+1.4%4.03.9
35Sauk County66,652+1.3%−0.33.5
36Clark County35,052+1.2%−5.33.5
37Trempealeau County31,171+1.1%3.33.6
38Ashland County16,203+1.1%1.63.0
39Kewaunee County20,758+1.0%1.63.4
40Iowa County23,951+1.0%−1.52.9
41Marathon County139,432+1.0%0.42.5
42Taylor County20,118+0.9%2.12.4
43Grant County52,446+0.9%−1.52.3
44Walworth County106,127+0.8%0.86.5
45Oneida County38,131+0.7%5.29.1
46Monroe County46,572+0.6%−0.82.5
47Green County37,227+0.5%0.52.2
48Fond du Lac County104,669+0.5%−1.81.8
49Racine County198,919+0.4%2.13.4
50Manitowoc County81,710+0.4%−0.51.9
51Langlade County19,534+0.4%8.49.6
52Jefferson County86,505+0.3%−1.74.9
53La Crosse County121,339+0.3%3.33.0
54Sheboygan County118,047+0.0%−1.13.1
55Lincoln County28,403−0.1%4.94.9
56Buffalo County13,318−0.1%−2.23.0
57Wood County74,060−0.2%−2.12.1
58Rusk County14,146−0.2%6.55.4
59Dodge County89,097−0.3%4.14.0
60Iron County6,127−0.3%−2.67.2
61Price County13,988−0.3%−3.03.0
62Kenosha County168,448−0.4%−0.75.3
63Jackson County20,999−0.5%−0.33.0
64Juneau County26,649−0.5%5.27.7
65Barron County46,484−0.5%−2.23.3
66Waupaca County51,461−0.7%3.94.2
67Columbia County58,132−0.7%2.72.9
68Douglas County43,990−0.8%4.81.8
69Crawford County15,910−1.1%4.13.1
70Menominee County4,199−1.4%0.51.7
71Richland County17,036−1.4%−1.95.4
72Milwaukee County924,216−1.5%−5.11.1

Ranked by the change in Census Bureau population estimates, 2020–2025.

Statewide totals

More county rankings for Wisconsin

Metro areas

Fastest-growing metro areas in Wisconsin · Fastest-growing metro areas in the U.S. · Largest metro areas in Wisconsin

Every U.S. metro and micro area

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Questions

Is Wisconsin growing?

Wisconsin as a whole grew 1.3% between 2020 and 2025, to 5,972,787 residents. Statewide figures add up its counties.

What is the fastest-growing county in Wisconsin?

Lafayette County, which grew 5.2% between 2020 and 2025 to 17,478 residents (Census Bureau population estimates). Adams County (+5.1%) and Dane County (+4.9%) came next.

Which Wisconsin counties are losing population?

18 of the 72 ranked counties had fewer residents in 2025 than in 2020. The steepest declines: Milwaukee County (−1.5%), Richland County (−1.4%), Menominee County (−1.4%).

Where are people moving in Wisconsin?

For their size, Florence County (20.4 per 1,000 residents), Adams County (17.0 per 1,000 residents) and Waushara County (11.5 per 1,000 residents) drew the most net domestic migration (people moving in from other U.S. counties minus people moving out) in 2025.

Fastest-growing counties in other states

Across the U.S.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.