| Place Name | New Martinsville |
| Place Type | City |
| ZIP Code(s) | 26155 |
| County | Wetzel County |
| Area Code(s) | 304,681 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 5,373 |
| Population Growth Rate (2010-19) | -3.02% |
| Majority Ethnicity | White 100% |
| US Congressional District(s) | West Virginia 1st |
| House of Delegates Districts | 5 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |