| Name | Warren County |
| State | New Jersey |
| FIPS Code | 34041 |
| County Seat | Belvidere |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 111,344 |
| Population Growth Rate(2020-2024) | 1.53% |
| Majority Ethnicity | White 79.24% |
| Public School Majority Ethnicity | White 63% |
| Partisan Voting Index | Republican:+10 |
| Unemployment Rate (May 2026) | 5.3% |
| Sales Tax Rate (2025) | 6.63% |
| Area Code(s) | 908 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 79.24% |
| African American | 5.45% |
| Hispanic | 11.98% |
| Asian | 2.95% |
| Native American | 0.36% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 62.73% |
| African American | 9.51% |
| Hispanic | 20.59% |
| Asian | 2.81% |
| Native American | 0.12% |
| Hawaiin/Pacific Islander | 0.18% |