Ten of the deaths were newly reported to the state by health departments, and one was uncovered through the state's ongoing audit of death certificates listing COVID-19 as the cause of death.
A local health department is trying to increase the number of people getting vaccinated against COVID-19 in the region.
Beshear also said that, starting immediately, businesses that include small groups of fully vaccinated people, such as office settings, can gather indoors without masks. This is also the case for private gatherings, Beshear said.
Gov. J.B. Pritzker says Illinois is on track to move into phase 5 of the state's reopening plan by June 11. That means all sectors of the economy will be able to reopen. Phase 5 also allows large gatherings of all sizes to resume, meaning conventions, festivals and other major events can be held.