Simla is a statutory town in Elbert County, Colorado, United States. It is 48 miles northeast of Colorado Springs. The population was 601 at the time of the 2020 United States Census. Simla was founded in 1909 by a man with the name of Altman. Simla was named because the daughter of a railroad official was reading a book about India when she came across the na…Simla is a statutory town in Elbert County, Colorado, United States. It is 48 miles northeast of Colorado Springs. The population was 601 at the time of the 2020 United States Census. Simla was founded in 1909 by a man with the name of Altman. Simla was named because the daughter of a railroad official was reading a book about India when she came across the name, Simla. Settled in the 1880s, Simla was incorporated in 1912. The first newspaper was started in 1911. It was a center for the shipping of the area's potato harvest each year.