| Place Name | Monessen |
| Place Type | City |
| ZIP Code(s) | 15062 |
| County | Westmoreland County |
| Area Code(s) | 724,878 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 7,732 |
| Population Growth Rate (2010-19) | -10.93% |
| Majority Ethnicity | White 82.53% |
| Metro/Micro Stats Area | Pittsburgh, PA |
| US Congressional District(s) | Pennsylvania 9th |
| State House Districts | 58 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.53% |
| African American | 14.99% |
| Hispanic | 0% |
| Asian | 1.31% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.17% |