| Place Name | Plainfield |
| Place Type | City |
| ZIP Code(s) | 07060 07062 07063 |
| County | Union County |
| Area Code(s) | 908 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 49,701 |
| Population Growth Rate (2010-19) | 9.59% |
| Majority Ethnicity | Hispanic 0.47% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 12th |
| State Assembly Districts | 22 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 16.21% |
| African American | 35.47% |
| Hispanic | 0.47% |
| Asian | 0.87% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 46.95% |