Jonestown, TX - Travis County   Population (2000 Census): 1,681 Jonestown is located 20 miles northwest of Austin in northwestern Travis County. Settled in the 1930’s by two brothers, Emmet and Warren Jones, Jonestown is a much newer community than many others locally. Jonestown was incorporated in the 1980’s, and by 1988, the population had grown to 683. Jonestown Homes and Real Estate For Sale HERE Please fill out the form below if you are interested or would just like some more information. We will get right back to you! Feel free to call us for a more immediate response at 512-420-9997 or 800-343-0933. First Name: Last Name: Telephone: Email Adress: Comments: