Real estate · County · Tennessee
Real estate businesses in Williamson County, TN
How Williamson County, TN compares with other counties and the U.S. for real estate businesses: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 39 out of 100: Lower middle
Ranked #1,715 of 2,229 scored counties
#73 of 77 scored counties in Tennessee
- Listings
- 1,045
- 63 chain locations (6%)
- Official establishments
- 391
- +27.4% since 2019
- Household spending a year
- $1.8B
- On rent and homeowner costs · $19,639 a household
- Housing spending per listing (U.S. = 100)
- 40
- 60% below the U.S.
- Listings per 10k households
- 113.3
- 2.9 times the U.S.
- Population, 2025
- 272,061
- +9.0% since 2020
See the real estate businesses around any address in Williamson County
The site report maps the real estate businesses 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 Williamson 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
Williamson County scores 39 (lower middle) on the Groundwork market score for real estate businesses, ranking #1,715 of 2,229 scored counties and #73 of 77 scored counties in Tennessee. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 1,045 real estate businesses in Williamson County. 63 of them (6%) are chain locations, against 6% across the U.S. That is 113.3 per 10,000 households, 2.9 times the U.S. rate of 38.5.
At $19,639 per household (18% above the U.S. average), households in Williamson County spend about $1.8B a year on rent and homeowner costs. Housing spending per office is 60% below 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 businesses take in.
Official counts show 391 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in Williamson County in 2023, up 27.4% from 2019. That is one for every 236 households, against one for every 414 across the U.S. Since fiscal 2022, 7 SBA-backed loans worth $3M have gone to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Williamson County. Population estimates put the population change in Williamson County from 2020 to 2025 at +9.0%, faster than the U.S. (+3.1%).
How Williamson County compares
The same measures for Tennessee 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 | Williamson County | Tennessee | U.S. |
|---|---|---|---|
| Listings per 10k households | 113.3 | 36.7 | 38.5 |
| Housing spending per listing (U.S. = 100) | 40 | 93 | 100 |
| Households per official establishment | 236 | 736 | 414 |
| Official establishment growth, 2019–2023 | +27.4% | +19.2% | +15.8% |
| Population growth, 2020–2025 | +9.0% | +5.6% | +3.1% |
| Spending per household on rent and homeowner costs | $19,639 | $14,833 | $16,661 |
| Median household income | $135,594 | $69,595 | $80,734 |
| Groundwork market score | 39 | 55 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 307 → 391+27.4% over the period
- Employees, 2023
- 3,868
- Annual payroll, 2023
- $400M
- One-person businesses, 2023
- 3,269Businesses with no payroll
- Map listings, September 2026
- 1,04563 chain locations
- Listings at the U.S. rate for this spending
- 418The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 7
- Amount
- $3M
SBA-backed loans to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Williamson 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 Williamson County
- Population, 2025 estimate
- 272,061+9.0% since 2020
- Households
- 92,214
- Median age
- 40.9
- Homes lived in by their owners
- 79%
- Vehicles per household
- 2.1
- Land area
- 583 sq. mi.
- People per square mile
- 447
- Median household income
- $135,594+20.0% vs. 2015–2019, before inflation
- Average household income
- $183,026
- Median home value
- $751,900
- Jobs located here
- 159,658
- Daytime population
- 302,594Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Williamson 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 businesses on map listings by name and distance.
Or open the report at the center of Williamson County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardReal estate across Tennessee
Every Tennessee market ranked →The highest-scoring counties in Tennessee for real estate businesses, numbered among those based in Tennessee, with Williamson County marked.
Top counties in Tennessee
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hickman County, TN | 80 | 5 | 5.3 | 620 | +5.0% | #18 of 2,229 |
| 2Hawkins County, TN | 80 | 17 | 7.2 | 430 | +5.0% | #19 of 2,229 |
| 3Union County, TN | 80 | 6 | 7.6 | 421 | +8.1% | #20 of 2,229 |
| 4Fayette County, TN | 80 | 21 | 12.2 | 297 | +7.7% | #25 of 2,229 |
| 5Smith County, TN | 80 | 9 | 11.3 | 295 | +5.1% | #26 of 2,229 |
| 6Bedford County, TN | 77 | 31 | 15.9 | 209 | +9.7% | #74 of 2,229 |
| 7Polk County, TN | 76 | 7 | 9.4 | 343 | +5.9% | #81 of 2,229 |
| 8Gibson County, TN | 75 | 23 | 11.3 | 283 | +2.7% | #104 of 2,229 |
| 9Grainger County, TN | 74 | 7 | 7.2 | 418 | +9.2% | #119 of 2,229 |
| 10Sequatchie County, TN | 74 | 6 | 9.7 | 322 | +12.7% | #123 of 2,229 |
| 73Williamson County, TN | 39 | 1,045 | 113.3 | 40 | +9.0% | #1,715 of 2,229 |
Other business types in Williamson 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 real estate businesses are in Williamson County, TN?
Williamson County has 1,045 real estate businesses on map listings as of September 2026. 63 of them (6%) are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 391 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023, up 27.4% from 2019. Another 3,269 one-person businesses have no payroll, by official counts.
How much do households in Williamson County, TN spend on rent and homeowner costs?
About $1.8B a year, or $19,639 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). For the 1,045 real estate businesses on map listings, housing spending per office is 60% below the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate businesses take in. It is estimated from the incomes of the 92,214 households in Williamson County and national spending patterns by income.
How does Williamson County, TN compare with the U.S. for real estate businesses?
Williamson County has 113.3 real estate businesses per 10,000 households, 2.9 times the U.S. rate of 38.5. The index of housing spending per office is 40, where 100 is the U.S. At the national ratio of real estate businesses to household spending, Williamson County would have about 418, against 1,045 on map listings. There is one business with payroll in the industry for every 236 households, against one for every 414 across the U.S. The official count rose 27.4% from 2019 to 2023, against +15.8% for the U.S.
How fast is Williamson County, TN growing?
Population estimates put Williamson County at 272,061 people in 2025, up 9.0% since 2020, faster than the U.S. (+3.1%). It has 92,214 households. The median household income in Williamson County is $135,594 a year, 68% above the U.S. median of $80,734. That rose 20.0% 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. Williamson County scores 39 for real estate businesses (lower middle), #1,715 of 2,229 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Williamson County. It maps the real estate businesses 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 businesses · All 56 business types in Williamson County
Screening a site or an acquisition in Williamson 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 Williamson 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.