Security and fire alarm installers in Mercer County, New Jersey
Mercer County, New Jersey has 11 security and fire alarm system businesses with employees, employing 170 people (US Census Bureau, 2023 County Business Patterns).
That is 0.7 businesses per 10,000 homes, against 0.7 across New Jersey.
Mercer County ranks 12 of 19 counties in New Jersey for businesses per 10,000 homes.
Their payroll averages $98,729 per employee a year.
Across New Jersey, security and fire alarm installers earn a median of $62,900 a year (US Bureau of Labor Statistics, May 2024).
Figures last updated on .
- Businesses with employees
- 11
- Their employees
- 170
- Businesses per 10,000 homes
- 0.7
Security and fire alarm installers in Mercer County: businesses and jobs
| Mercer County | New Jersey | United States | |
|---|---|---|---|
| Businesses with employees | 11 | 283 | 7,151 |
| Their employees | 170 | 3,895 | 128,462 |
| Annual payroll | $16,784,000 | $291,951,000 | — |
| Businesses per 10,000 homes | 0.7 | 0.7 | 0.5 |
The homes behind the work in Mercer County
| Mercer County | New Jersey | United States | |
|---|---|---|---|
| Homes in buildings of 20 or more units | 11.2% (±0.7 points) | 12.3% | 10.3% |
| Detached houses | 47.5% (±1.0 points) | 52.6% | 61.3% |
| Households that rent | 37.8% (±1.2 points) | 36.2% | 34.8% |
| Housing units | 151,138 (±116) | 3,791,354 | 143,775,355 |
Homes in buildings of 20 or more units: 11.2% (±0.7 points) in Mercer County, lower than across New Jersey (12.3%).
Detached houses: 47.5% (±1.0 points) in Mercer County, lower than across New Jersey (52.6%).
Households that rent: 37.8% (±1.2 points) in Mercer County, higher than across New Jersey (36.2%).
Places in Mercer County
| Place | Residents | Built before 1980 | Households that rent |
|---|---|---|---|
| Hamilton Township (Mercer County) | 92,506 | 74.6% | 28.4% |
| Trenton | 90,338 | 79.3% | 62.1% |
| Ewing Township | 35,604 | 71.6% | 33.1% |
| Lawrence Township (Mercer County) | 32,313 | 51.2% | 32.5% |
| Princeton | 30,756 | 63.8% | 44.6% |
| West Windsor Township | 30,479 | 22.7% | 34.8% |
| East Windsor Township | 30,062 | 59.8% | 38.9% |
| Hopewell Township (Mercer County) | 17,595 | 53.0% | 8.8% |
| Robbinsville Township | 15,641 | 18.5% | 20.4% |
| Mercerville | 13,535 | 88.6% | 15.3% |
| Hamilton Square | 11,622 | 74.0% | 4.4% |
| White Horse | 10,507 | 84.3% | 11.0% |
| Twin Rivers | 8,382 | 83.9% | 31.1% |
| Yardville | 6,301 | 87.5% | 20.4% |
| Hightstown Borough | 5,920 | 75.6% | 27.6% |
Counties in New Jersey with a similar number of security and fire alarm system businesses
| County | Businesses with employees | Businesses per 10,000 homes | Difference from Mercer County, per 10,000 homes |
|---|---|---|---|
| Burlington County | 13 | 0.7 | −0.0 |
| Gloucester County | 9 | 0.8 | +0.0 |
| Hunterdon County | 4 | 0.8 | +0.0 |
| Camden County | 14 | 0.7 | −0.1 |
| Ocean County | 25 | 0.8 | +0.1 |
| Morris County | 17 | 0.9 | +0.1 |
Licenses for security and fire alarm installers in New Jersey
Federal rules and model codes for security and fire alarm installers
- OSHA electrical safety in construction (29 CFR part 1926, subpart K)
- National Fire Alarm and Signaling Code (NFPA 72)
- National Electrical Code (NFPA 70)
Jobs and pay are published by state, not by county; the county figures are businesses and their employees.
Business counts are establishments: a company with offices in two counties is counted in each.
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Questions about Mercer County
How many security and fire alarm system businesses are in Mercer County?
The Census Bureau counts 11 security and fire alarm system businesses with employees in Mercer County (2023 County Business Patterns).
How much do security and fire alarm installers make in Mercer County?
Pay is published by state: across New Jersey, security and fire alarm installers earn a median of $62,900 a year (US Bureau of Labor Statistics, May 2024).
Do security and fire alarm installers need a license in Mercer County?
Licenses for this trade are issued by New Jersey, and a city or county in Mercer County may add its own; the US Department of Labor’s License Finder lists the state’s, and the local building department says which permits a job needs.
Sources
- US Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2024
- US Census Bureau, County Business Patterns 2023
- License Finder: security and fire alarm installers in New Jersey (US Department of Labor, CareerOneStop)
- OSHA electrical safety in construction (29 CFR part 1926, subpart K)
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Mercer County, New Jersey
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau and the US Bureau of Labor Statistics; Seayora reproduces them and does not adjust them. Rules are summarized from their official text, which governs; this page is not legal advice, and a state or city may add requirements of its own.
Figures last updated on .