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Electricians in Jefferson County, MO
Competitor counts, household spending and official business counts for electricians in Jefferson County, MO, set against other counties and the U.S.
Groundwork market score · out of 100
Score 62 out of 100: Upper middle
Ranked #310 of 1,160 scored counties
#7 of 27 scored counties in Missouri
- Listings
- 19
- 0 chain locations (0%)
- Official establishments
- 54
- +1.9% since 2019
- Household spending a year
- $244.4M
- On home repairs, maintenance and insurance · $2,768 a household
- Spending per listing
- $12.9M
- 7% above the U.S.
- Listings per 10k households
- 2.2
- 12% below the U.S.
- Population, 2025
- 233,132
- +2.7% since 2020
See the electricians around any address in Jefferson 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 Jefferson 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
Map listings as of September 2026 show 19 electricians in Jefferson County. None of them are chain locations, against 1% across the U.S. That comes to 2.2 for every 10,000 households, 12% below the U.S. rate of 2.5.
Households in Jefferson County spend about $244.4M a year on home repairs, maintenance and insurance, or $2,768 per household, 8% below the U.S. average. That works out to $12.9M per company, 7% above the U.S. figure of $12M. That spending covers all home repairs, maintenance and insurance, which electricians share with other businesses in the trade.
Official counts show 54 businesses with payroll classed as electrical contractors in Jefferson County in 2023, up 1.9% from 2019. That is one for every 1,635 households, against one for every 1,550 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $3.1M have gone to businesses classed as electrical contractors in Jefferson County.
Population estimates show Jefferson County grew 2.7% from 2020 to 2025, in step with the U.S. (+3.1%). For electricians, Jefferson County has a Groundwork market score of 62 (upper middle): #310 of 1,160 scored counties and #7 of 27 scored counties in Missouri.
How Jefferson County compares
The same measures for Missouri 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 | Jefferson County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 2.2 | 2.3 | 2.5 |
| Spending per listing | $12.9M | $11.7M | $12M |
| Households per official establishment | 1,635 | 1,956 | 1,550 |
| Official establishment growth, 2019–2023 | +1.9% | +13.9% | +9.2% |
| Population growth, 2020–2025 | +2.7% | +1.9% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,768 | $2,667 | $3,018 |
| Median household income | $82,851 | $70,702 | $80,734 |
| Groundwork market score | 62 | 49 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 53 → 54+1.9% over the period
- Employees, 2023
- 468
- Annual payroll, 2023
- $29.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 190 chain locations
- Listings at the U.S. rate for this spending
- 20The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 3
- Amount
- $3.1M
SBA-backed loans to businesses classed as electrical contractors in Jefferson 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 Jefferson County
- Population, 2025 estimate
- 233,132+2.7% since 2020
- Households
- 88,309
- Median age
- 40.8
- Homes lived in by their owners
- 82%
- Vehicles per household
- 2.0
- Land area
- 656 sq. mi.
- People per square mile
- 350
- Median household income
- $82,851+26.6% vs. 2015–2019, before inflation
- Average household income
- $98,813
- Median home value
- $237,200
- Jobs located here
- 48,697
- Daytime population
- 165,339Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Jefferson 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 Jefferson County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardElectricians across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for electricians, numbered among those based in Missouri, with Jefferson County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1St. Charles County, MO | 79 | 34 | 2.1 | $15.1M | +4.9% | #54 of 1,160 |
| 2Platte County, MO | 76 | 12 | 2.7 | $11.4M | +6.7% | #84 of 1,160 |
| 3Cass County, MO | 73 | 6 | 1.4 | $20.8M | +7.1% | #110 of 1,160 |
| 4Boone County, MO | 69 | 17 | 2.2 | $12.2M | +4.2% | #181 of 1,160 |
| 5St. Louis County, MO | 68 | 83 | 2.0 | $14.9M | −1.2% | #191 of 1,160 |
| 6Clay County, MO | 64 | 22 | 2.2 | $13.4M | +4.3% | #265 of 1,160 |
| 7Jefferson County, MO | 62 | 19 | 2.2 | $12.9M | +2.7% | #310 of 1,160 |
| 8St. Louis city, MO | 60 | 18 | 1.2 | $19.5M | −7.4% | #344 of 1,160 |
| 9Jackson County, MO | 55 | 70 | 2.3 | $11.5M | +2.1% | #470 of 1,160 |
| 10Johnson County, MO | 53 | 5 | 2.4 | $10.7M | +4.9% | #516 of 1,160 |
Other business types in Jefferson 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 Jefferson County, MO?
There are 19 electricians on map listings in Jefferson County as of September 2026. None of them are chain locations. The listings count electricians. Official counts show 54 businesses with payroll classed as electrical contractors in 2023, up 1.9% from 2019.
How much do households in Jefferson County, MO spend on home repairs, maintenance and insurance?
About $244.4M a year, or $2,768 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 19 electricians on map listings, it comes to $12.9M per company. The spending figure covers all home repairs, maintenance and insurance, not only electricians. It is estimated from the incomes of the 88,309 households in Jefferson County and national spending patterns by income.
How does Jefferson County, MO compare with the U.S. for electricians?
Jefferson County has 2.2 electricians per 10,000 households, 12% below the U.S. rate of 2.5. Spending per company is $12.9M, 7% above the U.S. figure of $12M. At the national ratio of electricians to household spending, Jefferson County would have about 20, against 19 on map listings. There is one business with payroll in the industry for every 1,635 households, against one for every 1,550 across the U.S. The official count rose 1.9% from 2019 to 2023, against +9.2% for the U.S.
How fast is Jefferson County, MO growing?
Population estimates put Jefferson County at 233,132 people in 2025, up 2.7% since 2020, in step with the U.S. (+3.1%). It has 88,309 households. The median household income in Jefferson County is $82,851 a year, 3% above the U.S. median of $80,734. That rose 26.6% from the 2015–2019 survey, 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. Jefferson County scores 62 for electricians (upper middle), #310 of 1,160 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Jefferson 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 Jefferson County
Screening a site or an acquisition in Jefferson 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 Jefferson 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.