| Place Name | Westmont |
| Place Type | Village |
| ZIP Code(s) | 60559 |
| County | DuPage County |
| Area Code(s) | 331,630 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 25,101 |
| Population Growth Rate (2010-19) | -1.04% |
| Majority Ethnicity | White 68.6% |
| Metro/Micro Stats Area | Chicago-Naperville-Elgin, IL-IN-WI |
| US Congressional District(s) | Illinois 6th |
| State House Districts | 47,81 |
| State Senate Districts | 24,41 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 68.6% |
| African American | 5.91% |
| Hispanic | 0.34% |
| Asian | 12.64% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 12.5% |