Davy Crockett lived in Christiansburg for some time and was bonded at Elijah Griffith's Hattery Shop  which was located at today's 41 West Main Street. That business went bankrupt and Crockett was unable to pay his own debts. Subsequently, John Snider, Jr., opened another hattery further up the block at today's 29 West Main Street.
Daniel Boone stayed in Christiansburg for a time. Among the records at the courthouse are a warrant for his arrest due to non-payment of debt.
Christiansburg was the site of the Lewis/McHenry duel, known for being the first recorded duel with rifles in Virginia.
There were 7,093 households out of which 31.2% had children under the age of 18 living with them, 52.6% were married couples living together, 11.3% had a female householder with no husband present, and 32.8% were non-families. 27.0% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.86.
In the town the population was spread out with 23.8% under the age of 18, 8.0% from 18 to 24, 33.3% from 25 to 44, 22.8% from 45 to 64, and 12.1% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 92.7 males. For every 100 females age 18 and over, there were 89.0 males.
The median income for a household in the town was $40,851, and the median income for a family was $47,428. Males had a median income of $35,139 versus $23,398 for females. The per capita income for the town was $19,579. About 6.4% of families and 8.5% of the population were below the poverty line, including 12.2% of those under age 18 and 6.9% of those age 65 or over.
The population for 2004 was 17,926 which is an increase of 979 from the 2000 census. Of this 8,151 (48.1%) are male and 8,796 (51.9%) are female.
The Montgomery Museum & Lewis Miller Regional Art Center, 300 Pepper St., is a nonprofit association established in 1983 and preserved what had been the Presbyterian Manse, which dated back to 1852. Its mission is to preserve and present the history and culture of the community and region.
Booker T. Washington once resided at and was principal of Christiansburg Institute, one of the largest black high schools in southwestern Virginia. Many scholars visited there, such as George Washington Carver and other members of the Tuskegee University staff. Prominent industrial engineer John Wines Lester also lived on its campus.
The Christiansburg Aquatic Center, which opened in July 2010, is a multi-purpose fitness and aquatic center.
The New Montgomery County Courthouse is currently nearing end of construction and opened on October 9, 2012 with a public ribbon-cutting ceremony on November 7, 2012. The current courthouse will be transformed into a Sheriff's office and a 911 dispatch center.