Yulyul, the main village of the Suisunes (a Patwin people of the Suisun Bay region), is believed to be where Rockville is located today.
The main economic activities are farming, tourism, and the large regional Rockville Cemetery.
Tourism
Rockville Stone Chapel - California registered landmark number 779 in Rockville, California
Rockville is the home of the Rockville Hills Regional Park, consisting of 633 acres of grasslands and oak woodlands, with a dense mixed broadleaf forest through which there are many hiking and biking trails.
