| Place Name | Westtown Township |
| Place Type | Township |
| ZIP Code(s) | 19342 19380 19382 |
| County | Chester County |
| Area Code(s) | 484,610 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 11,137 |
| Majority Ethnicity | White 92.39% |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | Pennsylvania 6th |
| State House Districts | 156 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.39% |
| African American | 1.89% |
| Hispanic | 0% |
| Asian | 2.42% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.3% |