Trenton-Princeton, NJ - All Employees: Manufacturing in Trenton, NJ (MSA) was 10.40000 Thous. of Persons in March of 2025, according to the United States Federal Reserve. Historically, Trenton-Princeton, NJ - All Employees: Manufacturing in Trenton, NJ (MSA) reached a record high of 22.10000 in March of 1990 and a record low of 9.20000 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for Trenton-Princeton, NJ - All Employees: Manufacturing in Trenton, NJ (MSA) - last updated from the United States Federal Reserve on April of 2026.