Real estate · County · Illinois
Real estate agents and brokers in Jefferson County, IL
How Jefferson County, IL compares with other counties and the U.S. for real estate agents and brokers: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 36 out of 100: Lower middle
Ranked #1,784 of 2,176 scored counties
#66 of 82 scored counties in Illinois
- Listings
- 27
- 0 chain locations (0%)
- Official establishments
- 8
- Businesses with payroll, 2023
- Household spending a year
- $191.8M
- On rent and homeowner costs · $12,941 a household
- Housing spending per listing (U.S. = 100)
- 130
- 30% above the U.S.
- Listings per 10k households
- 18.2
- 41% below the U.S.
- Population, 2025
- 36,147
- −2.3% since 2020
See the real estate agents and brokers around any address in Jefferson County
The site report maps the real estate agents and brokers 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
Jefferson County scores 36 (lower middle) on the Groundwork market score for real estate agents and brokers, ranking #1,784 of 2,176 scored counties and #66 of 82 scored counties in Illinois. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 27 real estate agents and brokers in Jefferson County. None of them are chain locations, against 4% across the U.S. That comes to 18.2 for every 10,000 households, 41% below the U.S. rate of 30.6.
Household spending on rent and homeowner costs in Jefferson County comes to about $191.8M a year: $12,941 per household, 22% below the U.S. average. Housing spending per office is 30% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money real estate agents and brokers take in.
The official count of businesses with payroll classed as offices of real estate agents and brokers in Jefferson County was 8 in 2023. That is one for every 1,853 households, against one for every 788 across the U.S. Population estimates put the population change in Jefferson County from 2020 to 2025 at −2.3%, against +3.1% for the U.S.
How Jefferson County compares
The same measures for Illinois and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | Jefferson County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 18.2 | 25.5 | 30.6 |
| Housing spending per listing (U.S. = 100) | 130 | 107 | 100 |
| Households per official establishment | 1,853 | 1,021 | 788 |
| Official establishment growth, 2019–2023 | n/a | +10.8% | +20.1% |
| Population growth, 2020–2025 | −2.3% | −0.6% | +3.1% |
| Spending per household on rent and homeowner costs | $12,941 | $14,866 | $16,661 |
| Median household income | $63,118 | $83,390 | $80,734 |
| Groundwork market score | 36 | 41 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 8 → 8
- Employees, 2023
- 17
- Annual payroll, 2023
- $460K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 270 chain locations
- Listings at the U.S. rate for this spending
- 35The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as offices of real estate agents and brokers 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
- 36,147−2.3% since 2020
- Households
- 14,820
- Median age
- 42.2
- Homes lived in by their owners
- 72%
- Vehicles per household
- 1.9
- Land area
- 571 sq. mi.
- People per square mile
- 64
- Median household income
- $63,118+26.5% vs. 2015–2019, before inflation
- Average household income
- $80,324
- Median home value
- $126,000
- Jobs located here
- 20,339
- Daytime population
- 40,708Residents 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 real estate agents and brokers 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 cardReal estate agents and brokers across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for real estate agents and brokers, numbered among those based in Illinois, with Jefferson County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Henry County, IL | 69 | 11 | 5.4 | 468 | −2.2% | #229 of 2,176 |
| 2Woodford County, IL | 69 | 10 | 6.8 | 409 | −0.8% | #232 of 2,176 |
| 3Douglas County, IL | 68 | 7 | 9.0 | 282 | +0.5% | #263 of 2,176 |
| 4Bureau County, IL | 66 | 8 | 5.7 | 430 | −2.1% | #314 of 2,176 |
| 5Clinton County, IL | 65 | 19 | 13.0 | 205 | +0.6% | #355 of 2,176 |
| 6Boone County, IL | 63 | 16 | 8.2 | 328 | +0.4% | #409 of 2,176 |
| 7Randolph County, IL | 62 | 12 | 10.0 | 240 | −0.6% | #457 of 2,176 |
| 8Fulton County, IL | 61 | 11 | 8.0 | 295 | −2.0% | #503 of 2,176 |
| 9Kendall County, IL | 61 | 89 | 19.6 | 153 | +9.9% | #530 of 2,176 |
| 10Jersey County, IL | 60 | 9 | 11.3 | 231 | −1.5% | #548 of 2,176 |
| 66Jefferson County, IL | 36 | 27 | 18.2 | 130 | −2.3% | #1,784 of 2,176 |
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
- Real estate39
- Real estate agents and brokers36
- Property management
- Mortgage brokers and lenders
- Home inspectors
Funeral services
Questions
How many real estate agents and brokers are in Jefferson County, IL?
Jefferson County has 27 real estate agents and brokers on map listings as of September 2026. None of them are chain locations. The listings count real estate agents and brokerages, commercial brokers included. Official counts show 8 businesses with payroll classed as offices of real estate agents and brokers in 2023.
How much do households in Jefferson County, IL spend on rent and homeowner costs?
About $191.8M a year, or $12,941 per household. That is 22% below the U.S. average (an index of 78, where 100 is the U.S. average). For the 27 real estate agents and brokers on map listings, housing spending per office is 30% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate agents and brokers take in. It is estimated from the incomes of the 14,820 households in Jefferson County and national spending patterns by income.
How does Jefferson County, IL compare with the U.S. for real estate agents and brokers?
Jefferson County has 18.2 real estate agents and brokers per 10,000 households, 41% below the U.S. rate of 30.6. The index of housing spending per office is 130, where 100 is the U.S. At the national ratio of real estate agents and brokers to household spending, Jefferson County would have about 35, against 27 on map listings. There is one business with payroll in the industry for every 1,853 households, against one for every 788 across the U.S.
How fast is Jefferson County, IL growing?
Population estimates put Jefferson County at 36,147 people in 2025, down 2.3% since 2020, against +3.1% for the U.S. It has 14,820 households. The median household income in Jefferson County is $63,118 a year, 22% below the U.S. median of $80,734. That rose 26.5% 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 36 for real estate agents and brokers (lower middle), #1,784 of 2,176 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 real estate agents and brokers 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 real estate agents and brokers · 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.