<Tr> <Th> Website </Th> <Td> fcgov.com </Td> </Tr> <Tr> <Td_colspan="2"> Fourth most populous Colorado city </Td> </Tr> <P> Fort Collins is the Home Rule Municipality that is the county seat and the most populous municipality of Larimer County, Colorado, United States . Situated on the Cache La Poudre River along the Colorado Front Range, Fort Collins is located 65 mi (105 km) north of the Colorado State Capitol in Denver . With a 2016 estimated population of 161,000, it is the fourth most populous city in Colorado after Denver, Colorado Springs, and Aurora . Fort Collins is a midsize college city, home to Colorado State University . </P> <P> Fort Collins was founded as a military outpost of the United States Army in 1864 . It succeeded a previous encampment, known as Camp Collins, on the Cache La Poudre River, near what is known today as Laporte . Camp Collins was erected during the Indian wars of the mid-1860s to protect the Overland mail route that had been recently relocated through the region . Travelers crossing the county on the Overland Trail would camp there, but a flood destroyed the camp in June 1864 . Afterward, the commander of the fort wrote to the commandant of Fort Laramie in southeast Wyoming, Colonel William O. Collins, suggesting that a site several miles farther down the river would make a good location for the fort . The post was manned originally by two companies of the 11th Ohio Volunteer Cavalry and never had walls . </P>

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