Auto · County · Texas
Insurance agencies in Williamson County, TX
How Williamson County, TX compares with other counties and the U.S. for insurance agencies: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 63 out of 100: Upper middle
Ranked #709 of 2,272 scored counties
#68 of 156 scored counties in Texas
- Listings
- 432
- 113 chain locations (26%)
- Official establishments
- 237
- +10.2% since 2019
- Household spending a year
- $630M
- On vehicle insurance · $2,497 a household
- Spending per listing
- $1.5M
- 16% above the U.S.
- Listings per 10k households
- 17.1
- 10% above the U.S.
- Population, 2025
- 752,827
- +22.3% since 2020
See the insurance agencies around any address in Williamson County
The site report maps the insurance agencies 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
Household spending on vehicle insurance in Williamson County comes to about $630M a year: $2,497 per household, 28% above the U.S. average. Spread across 432 insurance agencies, that is $1.5M per agency, 16% above the U.S. figure of $1.3M.
Williamson County has 432 insurance agencies on map listings as of September 2026. Chain locations make up 26% of them, against 21% across the U.S. Per 10,000 households, that is 17.1, 10% above the U.S. rate of 15.6.
Official counts show 237 businesses with payroll classed as insurance agencies and brokerages in Williamson County in 2023, up 10.2% from 2019. That is one for every 1,065 households, against one for every 966 across the U.S. Since fiscal 2022, 12 SBA-backed loans worth $11.2M have gone to businesses classed as insurance agencies and brokerages in Williamson County.
Population estimates put the population change in Williamson County from 2020 to 2025 at +22.3%, faster than the U.S. (+3.1%). Williamson County scores 63 (upper middle) on the Groundwork market score for insurance agencies, ranking #709 of 2,272 scored counties and #68 of 156 scored counties in Texas.
How Williamson County compares
The same measures for Texas and the whole U.S. Spending per listing divides a year of household spending on all vehicle insurance by the insurance agencies 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 | Williamson County | Texas | U.S. |
|---|---|---|---|
| Listings per 10k households | 17.1 | 20.3 | 15.6 |
| Spending per listing | $1.5M | $1.2M | $1.3M |
| Households per official establishment | 1,065 | 900 | 966 |
| Official establishment growth, 2019–2023 | +10.2% | +4.2% | −1.0% |
| Population growth, 2020–2025 | +22.3% | +8.5% | +3.1% |
| Spending per household on vehicle insurance | $2,497 | $2,466 | $1,957 |
| Median household income | $111,340 | $78,476 | $80,734 |
| Groundwork market score | 63 | 58 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 215 → 237+10.2% over the period
- Employees, 2023
- 1,497
- Annual payroll, 2023
- $96.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 432113 chain locations
- Listings at the U.S. rate for this spending
- 502The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 12
- Amount
- $11.2M
SBA-backed loans to businesses classed as insurance agencies and brokerages 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
- 752,827+22.3% since 2020
- Households
- 252,323
- Median age
- 38.2
- Homes lived in by their owners
- 66%
- Vehicles per household
- 1.9
- Land area
- 1,116 sq. mi.
- People per square mile
- 603
- Median household income
- $111,340+27.5% vs. 2015–2019, before inflation
- Average household income
- $140,407
- Median home value
- $447,000
- Jobs located here
- 238,920
- Daytime population
- 563,844Residents 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 insurance agencies 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 cardInsurance agencies across Texas
Every Texas market ranked →The highest-scoring counties in Texas for insurance agencies, numbered among those based in Texas, with Williamson County marked.
Top counties in Texas
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Waller County, TX | 96 | 11 | 6.0 | $4.8M | +21.9% | #7 of 2,272 |
| 2Bandera County, TX | 95 | 7 | 7.6 | $3.7M | +9.0% | #18 of 2,272 |
| 3Chambers County, TX | 93 | 19 | 11.0 | $2.5M | +22.6% | #29 of 2,272 |
| 4Grimes County, TX | 92 | 8 | 7.8 | $3.5M | +16.3% | #31 of 2,272 |
| 5Caldwell County, TX | 92 | 16 | 9.6 | $2.9M | +20.0% | #37 of 2,272 |
| 6Bastrop County, TX | 92 | 40 | 10.8 | $2.6M | +21.3% | #39 of 2,272 |
| 7Blanco County, TX | 89 | 6 | 11.6 | $2.4M | +18.6% | #77 of 2,272 |
| 8Coryell County, TX | 84 | 20 | 7.4 | $3.4M | +3.0% | #138 of 2,272 |
| 9Wilson County, TX | 83 | 22 | 12.1 | $2.5M | +12.2% | #165 of 2,272 |
| 10Guadalupe County, TX | 83 | 76 | 11.6 | $2.4M | +15.8% | #168 of 2,272 |
| 68Williamson County, TX | 63 | 432 | 17.1 | $1.5M | +22.3% | #709 of 2,272 |
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 insurance agencies are in Williamson County, TX?
Map listings as of September 2026 show 432 insurance agencies in Williamson County. 113 of them (26%) are chain locations. The listings count insurance agencies. Official counts show 237 businesses with payroll classed as insurance agencies and brokerages in 2023, up 10.2% from 2019.
How much do households in Williamson County, TX spend on vehicle insurance?
About $630M a year, or $2,497 per household. That is 28% above the U.S. average (an index of 128, where 100 is the U.S. average). Spread across the 432 insurance agencies on map listings, it comes to $1.5M per agency. It is estimated from the incomes of the 252,323 households in Williamson County and national spending patterns by income.
How does Williamson County, TX compare with the U.S. for insurance agencies?
Williamson County has 17.1 insurance agencies per 10,000 households, 10% above the U.S. rate of 15.6. Spending per agency is $1.5M, 16% above the U.S. figure of $1.3M. At the U.S. ratio of insurance agencies to household spending, Williamson County would have about 502, against 432 on map listings. There is one business with payroll in the industry for every 1,065 households, against one for every 966 across the U.S. The official count rose 10.2% from 2019 to 2023, against −1.0% for the U.S.
How fast is Williamson County, TX growing?
Population estimates put Williamson County at 752,827 people in 2025, up 22.3% since 2020, faster than the U.S. (+3.1%). It has 252,323 households. Median household income in Williamson County is $111,340, 38% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.5%, 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 63 for insurance agencies (upper middle), #709 of 2,272 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 insurance agencies 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 insurance agencies · 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.