| Name | Union County |
| State | New Jersey |
| FIPS Code | 34039 |
| Timezone | Eastern Standard Time (EST) |
| Population (2020) | 575,345 |
| Population Growth Rate(2000-2020) | 7.24% |
| Majority Ethnicity | White 49.38% |
| Public School Majority Ethnicity | Hispanic 41% |
| Partisan Voting Index | Democratic:+20 |
| Unemployment Rate | 5.4% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 49.38% |
| African American | 18.61% |
| Hispanic | 27.3% |
| Asian | 4.44% |
| Native American | 0.25% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 31.89% |
| African American | 20.58% |
| Hispanic | 40.79% |
| Asian | 5% |
| Native American | 0.06% |
| Hawaiin/Pacific Islander | 0.2% |