Wisconsin Population By County in 2018
Updated on December 2, 2021.
According to the US Census Bureau population estimates, there were 5,809,319 people living in Wisconsin in 2018. Milwaukee County was the most populated county with 947,908 residents, followed by Dane County with 542,448 residents, and Waukesha County with 402,705 residents. Florence County with a population of 4,295 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 | 20,386 | 0.35% |
| Ashland | 15,553 | 0.27% |
| Barron | 45,123 | 0.78% |
| Bayfield | 15,086 | 0.26% |
| Brown | 262,985 | 4.53% |
| Buffalo | 13,126 | 0.23% |
| Burnett | 15,334 | 0.26% |
| Calumet | 50,111 | 0.86% |
| Chippewa | 64,095 | 1.10% |
| Clark | 34,737 | 0.60% |
| Columbia | 57,275 | 0.99% |
| Crawford | 16,211 | 0.28% |
| Dane | 542,448 | 9.34% |
| Dodge | 87,796 | 1.51% |
| Door | 27,638 | 0.48% |
| Douglas | 43,353 | 0.75% |
| Dunn | 45,135 | 0.78% |
| Eau Claire | 104,276 | 1.80% |
| Florence | 4,295 | 0.07% |
| Fond du Lac | 102,777 | 1.77% |
| Forest | 9,001 | 0.16% |
| Grant | 51,501 | 0.89% |
| Green | 36,867 | 0.64% |
| Green Lake | 18,869 | 0.33% |
| Iowa | 23,709 | 0.41% |
| Iron | 5,671 | 0.10% |
| Jackson | 20,494 | 0.35% |
| Jefferson | 85,091 | 1.47% |
| Juneau | 26,599 | 0.46% |
| Kenosha | 169,054 | 2.91% |
| Kewaunee | 20,367 | 0.35% |
| La Crosse | 118,220 | 2.04% |
| Lafayette | 16,659 | 0.29% |
| Langlade | 19,239 | 0.33% |
| Lincoln | 27,686 | 0.48% |
| Manitowoc | 78,925 | 1.36% |
| Marathon | 135,478 | 2.33% |
| Marinette | 40,401 | 0.70% |
| Marquette | 15,393 | 0.27% |
| Menominee | 4,596 | 0.08% |
| Milwaukee | 947,908 | 16.32% |
| Monroe | 46,197 | 0.80% |
| Oconto | 37,901 | 0.65% |
| Oneida | 35,449 | 0.61% |
| Outagamie | 187,012 | 3.22% |
| Ozaukee | 89,302 | 1.54% |
| Pepin | 7,276 | 0.13% |
| Pierce | 42,608 | 0.73% |
| Polk | 43,578 | 0.75% |
| Portage | 70,979 | 1.22% |
| Price | 13,371 | 0.23% |
| Racine | 196,348 | 3.38% |
| Richland | 17,416 | 0.30% |
| Rock | 162,817 | 2.80% |
| Rusk | 14,054 | 0.24% |
| St. Croix | 89,721 | 1.54% |
| Sauk | 64,306 | 1.11% |
| Sawyer | 16,439 | 0.28% |
| Shawano | 40,725 | 0.70% |
| Sheboygan | 115,161 | 1.98% |
| Taylor | 20,346 | 0.35% |
| Trempealeau | 29,479 | 0.51% |
| Vernon | 30,775 | 0.53% |
| Vilas | 21,949 | 0.38% |
| Walworth | 103,547 | 1.78% |
| Washburn | 15,841 | 0.27% |
| Washington | 135,615 | 2.33% |
| Waukesha | 402,705 | 6.93% |
| Waupaca | 51,051 | 0.88% |
| Waushara | 24,245 | 0.42% |
| Winnebago | 170,811 | 2.94% |
| Wood | 72,827 | 1.25% |
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