The medusa ransomware group listed Henry County, Illinois on its data leak site on 2024-03-21. Country: US Sector: Government & Defense Domains named: henrycty.com Claim as published on the leak site: Henry County, Illinois is located in Northwestern Illinois, just 16 miles from the Mississippi River dividing Illinois and Iowa. Henry County's population in 2000 was 51,020, with the county covering 823.21 square miles. Henry County, Illinois office is located in 307 W Center St Rm 198, Cambridge, Illinois, 61238, United States and has 185 employees.