Real estate · County · Illinois
Real estate agents and brokers in Grundy County, IL
The real estate agents and brokers in Grundy County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 49 out of 100: Lower middle
Ranked #1,120 of 2,176 scored counties
#32 of 82 scored counties in Illinois
- Listings
- 53
- 5 chain locations (9%)
- Official establishments
- 14
- Businesses with payroll, 2023
- Household spending a year
- $313.8M
- On rent and homeowner costs · $15,235 a household
- Housing spending per listing (U.S. = 100)
- 109
- 9% above the U.S.
- Listings per 10k households
- 25.7
- 16% below the U.S.
- Population, 2025
- 54,052
- +2.9% since 2020
See the real estate agents and brokers around any address in Grundy 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 Grundy 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
As of September 2026, map listings count 53 real estate agents and brokers in Grundy County. Of those, 5 are chain locations, or 9%, against 4% across the U.S. Per 10,000 households, that is 25.7, 16% below the U.S. rate of 30.6.
At $15,235 per household (9% below the U.S. average), households in Grundy County spend about $313.8M a year on rent and homeowner costs. Housing spending per office is 9% 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.
Official counts show 14 businesses with payroll classed as offices of real estate agents and brokers in Grundy County in 2023. That is one for every 1,471 households, against one for every 788 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $142K has gone to businesses classed as offices of real estate agents and brokers in Grundy County.
Between 2020 and 2025, the population of Grundy County grew 2.9%, in step with the U.S. (+3.1%). For real estate agents and brokers, Grundy County has a Groundwork market score of 49 (lower middle): #1,120 of 2,176 scored counties and #32 of 82 scored counties in Illinois.
How Grundy 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 | Grundy County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 25.7 | 25.5 | 30.6 |
| Housing spending per listing (U.S. = 100) | 109 | 107 | 100 |
| Households per official establishment | 1,471 | 1,021 | 788 |
| Official establishment growth, 2019–2023 | n/a | +10.8% | +20.1% |
| Population growth, 2020–2025 | +2.9% | −0.6% | +3.1% |
| Spending per household on rent and homeowner costs | $15,235 | $14,866 | $16,661 |
| Median household income | $92,235 | $83,390 | $80,734 |
| Groundwork market score | 49 | 41 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 10 → 14
- Employees, 2023
- 22
- Annual payroll, 2023
- $1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 535 chain locations
- Listings at the U.S. rate for this spending
- 58The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $142K
SBA-backed loans to businesses classed as offices of real estate agents and brokers in Grundy 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 Grundy County
- Population, 2025 estimate
- 54,052+2.9% since 2020
- Households
- 20,595
- Median age
- 39.5
- Homes lived in by their owners
- 74%
- Vehicles per household
- 2.1
- Land area
- 418 sq. mi.
- People per square mile
- 127
- Median household income
- $92,235+19.2% vs. 2015–2019, before inflation
- Average household income
- $111,828
- Median home value
- $271,700
- Jobs located here
- 22,659
- Daytime population
- 48,130Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Grundy 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 Grundy 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 Grundy 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 |
| 32Grundy County, IL | 49 | 53 | 25.7 | 109 | +2.9% | #1,120 of 2,176 |
Other business types in Grundy 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 estate50
- Real estate agents and brokers49
- Property management
- Mortgage brokers and lenders51
- Home inspectors
Funeral services
Questions
How many real estate agents and brokers are in Grundy County, IL?
Grundy County has 53 real estate agents and brokers on map listings as of September 2026. 5 of them (9%) are chain locations. The listings count real estate agents and brokerages, commercial brokers included. Official counts show 14 businesses with payroll classed as offices of real estate agents and brokers in 2023.
How much do households in Grundy County, IL spend on rent and homeowner costs?
About $313.8M a year, or $15,235 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). For the 53 real estate agents and brokers on map listings, housing spending per office is 9% 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 20,595 households in Grundy County and national spending patterns by income.
How does Grundy County, IL compare with the U.S. for real estate agents and brokers?
Grundy County has 25.7 real estate agents and brokers per 10,000 households, 16% below the U.S. rate of 30.6. The index of housing spending per office is 109, where 100 is the U.S. At the national ratio of real estate agents and brokers to household spending, Grundy County would have about 58, against 53 on map listings. There is one business with payroll in the industry for every 1,471 households, against one for every 788 across the U.S.
How fast is Grundy County, IL growing?
Population estimates put Grundy County at 54,052 people in 2025, up 2.9% since 2020, in step with the U.S. (+3.1%). It has 20,595 households. The median household income in Grundy County is $92,235 a year, 14% above the U.S. median of $80,734. That rose 19.2% 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. Grundy County scores 49 for real estate agents and brokers (lower middle), #1,120 of 2,176 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Grundy 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 Grundy County
Screening a site or an acquisition in Grundy 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 Grundy 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.