Mercer County, NJ jobs, unemployment and layoffs
Mercer County economy
4.9%
unemployment, Aug 2026
6.0% the month before
199,229
in the labor force
Source: BLS Local Area Unemployment Statistics
383,286
people in Mercer County
Source: U.S. Census Bureau
$96,333
median household income
Source: Census ACS
49%
of workers in white-collar occupations
Management, business, financial and professional; Census ACS
Mercer County layoffs
9
WARN layoff notices, last 12 months
935
workers named
A floor: states may leave out counts
9
employers
| Notice date | Employer | City or county | Workers | Type | Source |
|---|---|---|---|---|---|
| Bristol Myers SquibbTakes effect Dec 17, 2026 | Princeton | 265 | — | State record | |
| Educational Testing Service | Princeton | 62 | — | State record | |
| Cenlar FSBTakes effect Aug 21, 2026 | Ewing Twp. | 50 | — | State record | |
| Winfit LLCTakes effect Jul 5, 2026 | Mercer County | 5 | — | State record | |
| Amicus TherapeuticsTakes effect Aug 7, 2026 | Princeton | 58 | — | State record | |
| Scudetto LogisticsTakes effect May 14, 2026 | Trenton | 120 | — | State record | |
| Integra Life Sciences | Princeton | 65 | — | State record | |
| SFC Global Supply ChainTakes effect Apr 10, 2026 | Robbinsville | 170 | — | State record | |
| Lifetime BrandsTakes effect Apr 10, 2026 | Robbinsville | 140 | — | State record |
Employers hiring most in Mercer County
Employers with the most open professional roles in this county’s cities. The county is taken from each job’s city, so roles with no city are not counted.
- Genmab A/S38 open roles
- ZS Associates23 open roles
- Kardigan21 open roles
- Genmab17 open roles
- Johnson & Johnson17 open roles
- Firmenich15 open roles
- Princeton University14 open roles
- Sri International13 open roles
- Capital Health System12 open roles
- Robert Half11 open roles
Largest employers headquartered in Mercer County
- NRG Energy5,001–20,000 employees
- Princeton University5,001–20,000 employees
- Educational Testing Service1,001–5,000 employees
Employee counts with a year are published figures (Wikidata). Other sizes are estimates from our company directory, not payroll counts.
Colleges in Mercer County
| College | City | Type | Students |
|---|---|---|---|
| Princeton University | Princeton | Private nonprofit 4-year | 5,000–9,999 |
| The College of New Jersey | Ewing | Public 4-year | 5,000–9,999 |
| Thomas Edison State University | Trenton | Public 4-year | 5,000–9,999 |
| Rider University | Lawrenceville | Private nonprofit 4-year | 1,000–4,999 |
| Princeton Theological Seminary | Princeton | Private nonprofit 4-year | Under 1,000 |
Workforce development and job centers
The public workforce board and American Job Centers serving Mercer County. They offer free help with job search, training and filing for benefits.
Cities in Mercer County
- Princeton482 jobs
- Trenton122 jobs
- Pennington46 jobs
- Ewing33 jobs
- Titusville23 jobs
- Robbinsville8 jobs
- Lawrenceville8 jobs
- Hopewell5 jobs
- Hightstown5 jobs
Other New Jersey counties
Laid off or looking for work in Mercer County?
See what to do first and the jobs open near you.
See your options after a layoffSources: Census Bureau and BLS (county unemployment is not seasonally adjusted); WARN notices from New Jersey’s published record; job counts from our live job board; IPEDS for colleges; CareerOneStop for workforce boards and job centers.