Prevalence information: Prevalence is the proportion or percentage of a population that tests positive for a disease and in Wisconsin the CWD prevalence rate differs throughout the state. To learn more about prevalence of CWD in Wisconsin view the CWD prevalence page including the mapping tool at the bottom of the page.

This table shows available CWD test results for each of DNR's four zones statewide. It includes data released through June 24, 2022. Deer will not have full data until the datasheet is entered.

See the data for CWD Year 2022 only

See the data for CWD Year: 

If you click on a zone, you can see the breakdown for individual hunting periods.

Note that the DNR data reported here only includes wild deer. For information on test results for farm-raised deer and elk, please contact the DATCP Home Farm-Raised Deer Program (wi.gov) (phone 608-224-4872).


DNR Zone # Sampled # Analyzed Positive for CWD
Central Farmland Zone 55177 55160 100
Central Forest Zone 7074 7072 53
Northern Forest Zone 29772 29766 7
Southern Farmland Zone 187543 187514 9331
Unknown Zone 2935 2927 4
Statewide Totals: