| Statistic | Fieldsboro | New Jersey | National |
| Population | 785 | 9,226,043 | 336,919,644 |
| Population density (sq mi) | 2,816 | 1,255 | 91 |
| Median age | 36.4 | 39.5 | 37.7 |
| Male/Female ratio | 1.3:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 38% | 56% | 55% |
| Families w/ Kids under 18 | 42% | 45% | 43% |
| Speak English | 72% | 69% | 79% |
| Speak Spanish | 13% | 16% | 13% |

| Race | Fieldsboro | New Jersey | National |
| White | 58.21% | 68.15% | 73.35% |
| Black | 6.96% | 13.54% | 12.63% |
| Asian | 0.26% | 9.19% | 5.22% |
| American Indian | 0.00% | 0.21% | 0.82% |
| Native Hawaiian | 0.00% | 0.03% | 0.18% |
| Mixed race | 22.08% | 2.53% | 3.06% |
| Other race | 12.48% | 6.35% | 4.75% |