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Electricians in Mercer County, NJ
How Mercer County, NJ compares with other counties and the U.S. for electricians: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 80 out of 100: High
Ranked #48 of 1,160 scored counties
#3 of 21 scored counties in New Jersey
- Listings
- 34
- 0 chain locations (0%)
- Official establishments
- 74
- −6.3% since 2019
- Household spending a year
- $523.8M
- On home repairs, maintenance and insurance · $3,635 a household
- Spending per listing
- $15.4M
- 28% above the U.S.
- Listings per 10k households
- 2.4
- 4% below the U.S.
- Population, 2025
- 399,289
- +3.3% since 2020
See the electricians around any address in Mercer County
The site report maps the electricians on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
For electricians, Mercer County has a Groundwork market score of 80 (high): #48 of 1,160 scored counties and #3 of 21 scored counties in New Jersey. That puts it in the top 10% of counties for electricians.
Household spending on home repairs, maintenance and insurance in Mercer County comes to about $523.8M a year: $3,635 per household, 20% above the U.S. average. That works out to $15.4M per company, 28% above the U.S. figure of $12M. The spending figure covers all home repairs, maintenance and insurance, not only electricians.
Mercer County has 34 electricians on map listings as of September 2026. None of them are chain locations, against 1% across the U.S. That is 2.4 per 10,000 households, 4% below the U.S. rate of 2.5.
Official counts show 74 businesses with payroll classed as electrical contractors in Mercer County in 2023, down 6.3% from 2019. That is one for every 1,947 households, against one for every 1,550 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $4.9M have gone to businesses classed as electrical contractors in Mercer County. Population estimates put the population change in Mercer County from 2020 to 2025 at +3.3%, in step with the U.S. (+3.1%).
How Mercer County compares
The same measures for New Jersey and the whole U.S. Spending per listing divides a year of household spending on all home repairs, maintenance and insurance by the electricians counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Mercer County | New Jersey | U.S. |
|---|---|---|---|
| Listings per 10k households | 2.4 | 2.7 | 2.5 |
| Spending per listing | $15.4M | $13.6M | $12M |
| Households per official establishment | 1,947 | 1,328 | 1,550 |
| Official establishment growth, 2019–2023 | −6.3% | −2.3% | +9.2% |
| Population growth, 2020–2025 | +3.3% | +3.0% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $3,635 | $3,682 | $3,018 |
| Median household income | $100,645 | $103,556 | $80,734 |
| Groundwork market score | 80 | 67 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 79 → 74−6.3% over the period
- Employees, 2023
- 1,040
- Annual payroll, 2023
- $97.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 340 chain locations
- Listings at the U.S. rate for this spending
- 44The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 3
- Amount
- $4.9M
SBA-backed loans to businesses classed as electrical contractors in Mercer County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.
Population and households in Mercer County
- Population, 2025 estimate
- 399,289+3.3% since 2020
- Households
- 144,114
- Median age
- 40.4
- Homes lived in by their owners
- 62%
- Vehicles per household
- 1.6
- Land area
- 225 sq. mi.
- People per square mile
- 1,719
- Median household income
- $100,645+24.2% vs. 2015–2019, before inflation
- Average household income
- $142,372
- Median home value
- $377,700
- Jobs located here
- 262,034
- Daytime population
- 469,892Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Mercer County?
These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the electricians on map listings by name and distance.
Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardElectricians across New Jersey
Every New Jersey market ranked →The highest-scoring counties in New Jersey for electricians, numbered among those based in New Jersey, with Mercer County marked.
Top counties in New Jersey
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hudson County, NJ | 87 | 28 | 0.9 | $37.9M | +1.8% | #12 of 1,160 |
| 2Essex County, NJ | 86 | 56 | 1.8 | $19.3M | +4.2% | #17 of 1,160 |
| 3Mercer County, NJ | 80 | 34 | 2.4 | $15.4M | +3.3% | #48 of 1,160 |
| 4Burlington County, NJ | 79 | 40 | 2.3 | $16.5M | +4.3% | #52 of 1,160 |
| 5Middlesex County, NJ | 77 | 64 | 2.1 | $18.1M | +2.6% | #71 of 1,160 |
| 6Gloucester County, NJ | 73 | 27 | 2.4 | $15.1M | +3.3% | #114 of 1,160 |
| 7Camden County, NJ | 73 | 48 | 2.4 | $13.9M | +2.4% | #117 of 1,160 |
| 8Union County, NJ | 72 | 54 | 2.7 | $14.1M | +5.0% | #135 of 1,160 |
| 9Somerset County, NJ | 70 | 42 | 3.2 | $13.4M | +3.5% | #162 of 1,160 |
| 10Bergen County, NJ | 65 | 94 | 2.6 | $15.3M | +2.4% | #242 of 1,160 |
Other business types in Mercer County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many electricians are in Mercer County, NJ?
Map listings as of September 2026 show 34 electricians in Mercer County. None of them are chain locations. The listings count electricians. Official counts show 74 businesses with payroll classed as electrical contractors in 2023, down 6.3% from 2019.
How much do households in Mercer County, NJ spend on home repairs, maintenance and insurance?
About $523.8M a year, or $3,635 per household. That is 20% above the U.S. average (an index of 120, where 100 is the U.S. average). Spread across the 34 electricians on map listings, it comes to $15.4M per company. That spending covers all home repairs, maintenance and insurance, which electricians share with other businesses in the trade. It is estimated from the incomes of the 144,114 households in Mercer County and national spending patterns by income.
How does Mercer County, NJ compare with the U.S. for electricians?
Mercer County has 2.4 electricians per 10,000 households, 4% below the U.S. rate of 2.5. Spending per company is $15.4M, 28% above the U.S. figure of $12M. At the U.S. ratio of electricians to household spending, Mercer County would have about 44, against 34 on map listings. There is one business with payroll in the industry for every 1,947 households, against one for every 1,550 across the U.S. The official count fell 6.3% from 2019 to 2023, against +9.2% for the U.S.
How fast is Mercer County, NJ growing?
Population estimates put Mercer County at 399,289 people in 2025, up 3.3% since 2020, in step with the U.S. (+3.1%). It has 144,114 households. Median household income in Mercer County is $100,645, 25% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.2%, before inflation.
What is the Groundwork market score?
The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Mercer County scores 80 for electricians (high), #48 of 1,160 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Mercer County. It maps the electricians on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.
How the score works · Top markets for electricians · All 56 business types in Mercer County
Screening a site or an acquisition in Mercer County?
A site report maps the competitors on map listings near an address and sizes the households and spending around it.
The button opens the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are estimates for research only. Not investment or real estate advice.