The figures below represent final year-end total figures for the years 2017-2021. The 2022 preliminary figures represent fatalities that had been reported to the WisDOT Crash Records Unit as of the date shown below.
Fatalities by County March 19, 2023
| Year-to-date | Year-end total figures | 2018-2022 |
| County | 2023* | 2022* | 2021 | 2020 | 2019 | 2018 | Average |
| Adams | | 8 | 1 | 5 | 3 | 2 | 4 |
| Ashland | | 3 | 1 | 1 | 1 | 1 | 1 |
| Barron | | 8 | 9 | 4 | 9 | 7 | 7 |
| Bayfield | | 6 | 1 | 4 | 1 | 2 | 3 |
| Brown | 1
| 14 | 5 | 17 | 9 | 18 | 13 |
| Buffalo | | 2 | 2 | 4 | 2 | 5 | 3 |
| Burnett | | 2 | 5 | 3 | 9 | 6 | 5 |
| Calumet | 1
| 4 | 4 | 5 | 1 | 3 | 3 |
| Chippewa | | 6 | 6 | 9 | 6 | 14 | 8 |
| Clark | | 8 | 8 | 7 | 4 | 6 | 7 |
| Columbia | | 10 | 14 | 14 | 9 | 11 | 12 |
| Crawford | | 3 | 2 | 3 | 2 | 3 | 3 |
| Dane | 7
| 42 | 47 | 33 | 25 | 41 | 38 |
| Dodge | | 11
| 15 | 7 | 13 | 8 | 11 |
| Door | 1
| 3 | 2 | 2 | 6 | 7 | 4 |
| Douglas | | 7 | 6 | 4 | 4 | 3 | 5 |
| Dunn | | 2 | 6 | 6 | 5 | 9 | 6 |
| Eau Claire | | 4 | 6 | 10 | 2 | 5 | 5 |
| Florence | | 2 | 1 | 4 | 0 | 3 | 2 |
| Fond du Lac | 6
| 12 | 8 | 9 | 8 | 16 | 11 |
| Forest | | 1 | | | 1 | 2 | 1 |
| Grant | | 6 | 8 | 4 | 10 | 5 | 7 |
| Green | 1
| 3 | 7 | 3 | 4 | 3 | 4 |
| Green Lake | | 1 | 2 | 3 | 3 | 0 | 2 |
| Iowa | 1
| 4 | 3 | 5 | 7 | 3 | 4 |
| Iron | | | | 1 | 4 | 2 | 2 |
| Jackson | | 7 | 4 | 1 | 4 | 6 | 4 |
| Jefferson | 2
| 8 | 11 | 9 | 6 | 13 | 9 |
| Juneau | | 3 | 4 | 6 | 7 | 11 | 6 |
| Kenosha | 1
| 20 | 14 | 21 | 15 | 16 | 17 |
| Kewaunee | | 1 | 2 | 4 | 1 | 0 | 2 |
| La Crosse | | 6 | 8 | 4 | 5 | 9 | 6 |
| Lafayette | 1
| 1 | 4 | 1 | 0 | 3 | 2 |
| Langlade | | 5 | 2 | 3 | 2 | 2 | 3 |
| Lincoln | 1
| 5 | 5 | 7 | 4 | 2 | 5 |
| Manitowoc | | 11 | 10 | 10 | 15 | 8 | 11 |
| Marathon | 1
| 14 | 15 | 8 | 14 | 9 | 12 |
| Marinette | 1
| 5 | 9 | 3 | 7 | 10 | 7 |
| Marquette | | | 5 | 4 | 1 | 2 | 3 |
| Menominee | | | 1 | 1 | 1 | 0 | 1 |
| Milwaukee | 14
| 111
| 85 | 101 | 74 | 68 | 88
|
| Monroe | 2
| 6 | 10 | 5 | 6 | 6 | 7 |
| Oconto | | 6 | 9 | 9 | 8 | 7 | 8 |
| Oneida | 3
| 3 | 2 | 6 | 7 | 6 | 5 |
| Outagamie | 1
| 10 | 16 | 9 | 16 | 12 | 13 |
| Ozaukee | | 7 | 5 | 6 | 11 | 5 | 7 |
| Pepin | | 2 | 1 | 3 | 0 | 2 | 2 |
| Pierce | 2
| 4 | 5 | 8 | 5 | 2 | 5 |
| Polk | 1
| 5 | 8 | 14 | 11 | 10 | 10 |
| Portage | | 9 | 11 | 4 | 3 | 8 | 7 |
| Price | | 2 | 1 | 3 | 3 | 2 | 2 |
| Racine | 4
| 21 | 6 | 23 | 17 | 20 | 17 |
| Richland | 1
| 4 | 3 | 2 | 0 | 1 | 2 |
| Rock | 3
| 17
| 31 | 25 | 23 | 31 | 26 |
| Rusk | | 3 | 4 | 3 | 4 | 2 | 3 |
| Saint Croix | 1
| 10 | 10 | 9 | 13 | 8 | 10 |
| Sauk | 2
| 14 | 15 | 9 | 9 | 12 | 12 |
| Sawyer | 1
| 5 | 2 | 11 | 2 | 1 | 4 |
| Shawano | | 8 | 9 | 5 | 5 | 4 | 6 |
| Sheboygan | | 17 | 9 | 4 | 11 | 9 | 10 |
| Taylor | | 1 | 6 | 1 | 3 | 5 | 3 |
| Trempealeau | 1
| | 4 | 6 | 1 | 2 | 3 |
| Vernon | | 5 | 5 | 1 | 1 | 4 | 3 |
| Vilas | | 3 | | 1 | 4 | 2 | 2 |
| Walworth | 1
| 12 | 10 | 12 | 15 | 7 | 11 |
| Washburn | | 1 | 2 | 2 | 4 | 0 | 2 |
| Washington | 2
| 11 | 10 | 4 | 12 | 10 | 9 |
| Waukesha | 5
| 21 | 18 | 16 | 18 | 25 | 20 |
| Waupaca | | 5 | 9 | 7 | 11 | 6 | 8 |
| Waushara | 1
| 3 | 8 | 7 | 2 | 5 | 5 |
| Winnebago | 2
| 11 | 10 | 10 | 11 | 13 | 11 |
| Wood | | 6 | 6 | 16 | 10 | 5 | 9 |
|
Total | 73
| 601
|
593 |
591 |
550 |
576 |
582 |
*2022 and 2023 data are preliminary
Data source: WisDOT Crash Records database
Fatalities by month
Weekly fatality report