Wisconsin Population By County in 2018
Updated on June 22, 2021.
According to the US Census Bureau population estimates, there were 5,807,406 people living in Wisconsin in 2018. Milwaukee County was the most populated county with 946,969 residents, followed by Dane County with 541,948 residents, and Waukesha County with 402,522 residents. Florence County with a population of 4,294 was the least populated county in Wisconsin in 2018.
Use the map below to interactively explore the population of each county in Wisconsin in 2018. The data can also be explored further by sorting and filtering with the table below.
Hover/Click on the counties to see the values.
Wisconsin Population By County (2018)
Table of Wisconsin Population By County in 2018
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| County | Population | % of State Population |
|---|---|---|
| Adams | 20,341 | 0.35% |
| Ashland | 15,587 | 0.27% |
| Barron | 45,150 | 0.78% |
| Bayfield | 15,026 | 0.26% |
| Brown | 263,165 | 4.53% |
| Buffalo | 13,114 | 0.23% |
| Burnett | 15,374 | 0.27% |
| Calumet | 50,132 | 0.86% |
| Chippewa | 64,109 | 1.10% |
| Clark | 34,705 | 0.60% |
| Columbia | 57,333 | 0.99% |
| Crawford | 16,265 | 0.28% |
| Dane | 541,948 | 9.33% |
| Dodge | 87,833 | 1.51% |
| Door | 27,589 | 0.48% |
| Douglas | 43,143 | 0.74% |
| Dunn | 45,091 | 0.78% |
| Eau Claire | 104,355 | 1.80% |
| Florence | 4,294 | 0.07% |
| Fond du Lac | 103,001 | 1.77% |
| Forest | 8,977 | 0.16% |
| Grant | 51,444 | 0.89% |
| Green | 36,924 | 0.64% |
| Green Lake | 18,849 | 0.33% |
| Iowa | 23,722 | 0.41% |
| Iron | 5,687 | 0.10% |
| Jackson | 20,472 | 0.35% |
| Jefferson | 85,049 | 1.46% |
| Juneau | 26,593 | 0.46% |
| Kenosha | 168,926 | 2.91% |
| Kewaunee | 20,395 | 0.35% |
| La Crosse | 118,041 | 2.03% |
| Lafayette | 16,672 | 0.29% |
| Langlade | 19,236 | 0.33% |
| Lincoln | 27,673 | 0.48% |
| Manitowoc | 79,015 | 1.36% |
| Marathon | 135,421 | 2.33% |
| Marinette | 40,402 | 0.70% |
| Marquette | 15,418 | 0.27% |
| Menominee | 4,595 | 0.08% |
| Milwaukee | 946,969 | 16.31% |
| Monroe | 46,141 | 0.80% |
| Oconto | 37,824 | 0.65% |
| Oneida | 35,444 | 0.61% |
| Outagamie | 186,879 | 3.22% |
| Ozaukee | 89,059 | 1.53% |
| Pepin | 7,304 | 0.13% |
| Pierce | 42,592 | 0.73% |
| Polk | 43,568 | 0.75% |
| Portage | 70,850 | 1.22% |
| Price | 13,357 | 0.23% |
| Racine | 196,357 | 3.38% |
| Richland | 17,397 | 0.30% |
| Rock | 162,874 | 2.81% |
| Rusk | 14,110 | 0.24% |
| St. Croix | 89,688 | 1.54% |
| Sauk | 64,318 | 1.11% |
| Sawyer | 16,464 | 0.28% |
| Shawano | 40,771 | 0.70% |
| Sheboygan | 115,233 | 1.98% |
| Taylor | 20,364 | 0.35% |
| Trempealeau | 29,494 | 0.51% |
| Vernon | 30,772 | 0.53% |
| Vilas | 21,928 | 0.38% |
| Walworth | 103,550 | 1.78% |
| Washburn | 15,837 | 0.27% |
| Washington | 135,445 | 2.33% |
| Waukesha | 402,522 | 6.93% |
| Waupaca | 51,130 | 0.88% |
| Waushara | 24,267 | 0.42% |
| Winnebago | 170,878 | 2.94% |
| Wood | 72,954 | 1.26% |
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