- Jefferson County Sheriff's Office establishes K-9 Unit
- Tiny Town reopens including a puppet theater and pony rides
- Jewish Consumptives' Relief Society at 6401 W Colfax Avenue in Lakewood listed as a National Register Historic District
March 31, 1981
Part-time Evergreen resident John Hinckley, Jr. shoots President Ronald Reagan and three others leaving the Washington DC Hilton Hotel.
Tiny Town is again closed to the public.
August 25, 1983
Three-year old Lori Poland, kidnapped from the front yard of her Sheridan home three days earlier by 21 year old Robert Thiret, is discovered in the pit of an outhouse near Genesee.
Sheriff and Detention Facility completed in Jefferson County Government Center campus at 200 Jefferson County Parkway.
First Rhubarb Festival held in Pine Grove.
Tiny Town reopens after restoration.
FBI Agents and the Environmental Protection Agency raid the Rocky Flats Nuclear Weapons Plant for investigation of environmental crimes, discovering numerous violations. Rocky Flats becomes a Superfund site.
Human Services building completed in Jefferson County Government Center campus at 900 Jefferson County Parkway.