| Place Name | Fairmont |
| Place Type | City |
| ZIP Code(s) | 26554 |
| County | Marion County |
| Area Code(s) | 304,681 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 18,763 |
| Population Growth Rate (2010-19) | -1.54% |
| Majority Ethnicity | White 91% |
| Metro/Micro Stats Area | Fairmont, WV |
| US Congressional District(s) | West Virginia 1st |
| House of Delegates Districts | 50 |
| State Senate Districts | 13 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91% |
| African American | 6.75% |
| Hispanic | 0.2% |
| Asian | 0.59% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 1.45% |