Columbine, Colorado Columbine, Colorado Columbine is a census-designated place (CDP) in Arapahoe and Jefferson counties in the U.S. state of Colorado. Located mostly in Jefferson County, it lies immediately west of Littleton. The population was 24,280 at the 2010 census. Columbine High School, made infamous by the Columbine High School massacre in April 1999, is located in the community. The ZIP codes for the community are 80123 and 80128. Columbine is located on the eastern edge of Jefferson County at (39.587887, -105.069332), with a small portion extending east into Arapahoe County. Columbine is bordered to the east by Littleton and Columbine Valley,
Columbine High School massacre with a shooting in Jokela in Tuusula, Finland. He wore a shirt saying "Humanity is Overrated". The perpetrator of the Dawson College shooting wrote a note praising Harris and Klebold. The Tumblr fandom gained widespread media attention in February 2015 after three of its members conspired to commit a mass shooting at a Halifax mall on Valentine's Day. In 2017, two 15-year-old school boys from Northallerton, UK were charged with conspiracy to murder after becoming infatuated with the crime and "hero-worshipping" Harris and Klebold. Ralph Larkin wrote the Columbine massacre established a script for school shootings. Larkin examined twelve major