Municipalities
There are 28 municipalities in the 19th Senatorial District. They include the Chester County communities of:
- Charlestown Township
- Downingtown Borough
- East Bradford Township
- East Caln Township
- East Coventry Township
- East Fallowfield Township
- East Goshen Township
- East Pikeland Township
- East Vincent Township
- East Whiteland Township
- Malvern Borough
- Modena Borough
- Newlin Township
- Phoenixville Borough
- Schuylkill Township
- Spring City Borough
- Tredyffrin Township
- Uwchlan Township
- West Bradford Township
- West Chester Borough
- West Goshen Township
- West Marlborough Township
- West Pikeland Township
- West Vincent Township
- West Whiteland Township
- Willistown Township
and the Montgomery County communities of: