Yes you should. Django is very much in demand and is increasing in popularity. It is the most popular web framework written in python and the number of jobs for developers who know Django is increasing everyday. Django is also evolving quite rapidly, as new versions and patches for the framework are being released very frequently.
If you wish to learn more about Django you can take this end to end Django certification course.
If you just wish to get your feet wet and try Django out you can follow this Django tutorial.