This election process has been a difficult one for many parents. When parents go through an emotional ride, children are bound to pick up on it. Since their brains are not developed for the level of cognitive complexity that adult brains are, it is important to attend to them and hold space for them in a developmentally appropriate manner. Among other things, providing validation of their emotional state and reassurance of the normalcy in their life are critical for their sense of well-being at such a time of national upheaval.
Here is an article that discusses some helpful ways in which parents can support their children at this time.