Groundwork

Health care · County · Texas

Urgent care and walk-in clinics in Williamson County, TX

Competitor counts, household spending and official business counts for urgent care and walk-in clinics in Williamson County, TX, set against other counties and the U.S.

Groundwork market score · out of 100

Score 65 out of 100: Upper middle

Ranked #65 of 325 scored counties
#3 of 21 scored counties in Texas

Listings
12
2 chain locations (17%)
Official establishments
29
+31.8% since 2019
Household spending a year
$343.1M
On medical and dental services · $1,360 a household
Spending per listing
$28.6M
16% above the U.S.
Listings per 10k households
0.5
In line with the U.S.
Population, 2025
752,827
+22.3% since 2020

See the urgent care and walk-in clinics around any address in Williamson County

The site report maps the urgent care and walk-in clinics 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.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Households in Williamson County spend about $343.1M a year on medical and dental services, or $1,360 per household, 6% above the U.S. average. That is about $28.6M of household spending for each clinic on map listings, 16% above the U.S. figure of $24.5M. The spending figure covers all medical and dental services, not only urgent care and walk-in clinics.

Williamson County has 12 urgent care and walk-in clinics on map listings as of September 2026. Of those, 2 are chain locations, or 17%, against 24% across the U.S. Per 10,000 households, that is 0.5, in line with the U.S. rate of 0.5.

In 2023, official counts showed 29 businesses with payroll in Williamson County classed as freestanding emergency and urgent care centers, up 31.8% from 2019. That is one for every 8,701 households, against one for every 12,867 across the U.S.

Between 2020 and 2025, the population of Williamson County grew 22.3%, faster than the U.S. (+3.1%). The Groundwork market score for urgent care and walk-in clinics in Williamson County is 65 (upper middle), #65 of 325 scored counties and #3 of 21 scored counties in Texas. That puts it in the top quarter of counties.

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 medical and dental services by the urgent care and walk-in clinics counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Urgent care and walk-in clinics in Williamson County, TX compared with Texas and the U.S.
MeasureWilliamson CountyTexasU.S.
Listings per 10k households0.50.50.5
Spending per listing$28.6M$25.6M$24.5M
Households per official establishment8,7019,56712,867
Official establishment growth, 2019–2023+31.8%+28.7%+32.0%
Population growth, 2020–2025+22.3%+8.5%+3.1%
Spending per household on medical and dental services$1,360$1,164$1,288
Median household income$111,340$78,476$80,734
Groundwork market score6541

Official counts and lending

Businesses

Official establishments, 2019 to 2023
22 → 29+31.8% over the period
Employees, 2023
539
Annual payroll, 2023
$35M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
122 chain locations
Listings at the U.S. rate for this spending
14The 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 freestanding emergency and urgent care centers 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 urgent care and walk-in clinics 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.

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Urgent care and walk-in clinics across Texas

Every Texas market ranked →

The highest-scoring counties in Texas for urgent care and walk-in clinics, numbered among those based in Texas, with Williamson County marked.

Top counties in Texas

Counties in Texas ranked for urgent care and walk-in clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Denton County, TX75150.4$33.1M+16.9%#23 of 325
2Travis County, TX69170.3$45.2M+7.2%#47 of 325
3Williamson County, TX65120.5$28.6M+22.3%#65 of 325
4Montgomery County, TX61100.4$32.1M+24.9%#86 of 325
5Bell County, TX6150.4$29.9M+8.0%#88 of 325
6Fort Bend County, TX59160.5$25.2M+17.4%#104 of 325
7Comal County, TX5550.7$18.6M+27.9%#136 of 325
8Hays County, TX5580.8$15.3M+24.8%#138 of 325
9Collin County, TX51310.7$19.2M+20.6%#155 of 325
10Harris County, TX48860.5$23.6M+6.6%#174 of 325

Other business types in Williamson County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many urgent care and walk-in clinics are in Williamson County, TX?

Map listings as of September 2026 show 12 urgent care and walk-in clinics in Williamson County. 2 of them (17%) are chain locations. The listings count urgent care and walk-in clinics. Official counts show 29 businesses with payroll classed as freestanding emergency and urgent care centers in 2023, up 31.8% from 2019.

How much do households in Williamson County, TX spend on medical and dental services?

About $343.1M a year, or $1,360 per household. That is 6% above the U.S. average (an index of 106, where 100 is the U.S. average). Spread across the 12 urgent care and walk-in clinics on map listings, it comes to $28.6M per clinic. That spending covers all medical and dental services, which urgent care and walk-in clinics share with other businesses in the trade. 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 urgent care and walk-in clinics?

Williamson County has 0.5 urgent care and walk-in clinics per 10,000 households, in line with the U.S. rate of 0.5. Spending per clinic is $28.6M, 16% above the U.S. figure of $24.5M. At the U.S. ratio of urgent care and walk-in clinics to household spending, Williamson County would have about 14, against 12 on map listings. There is one business with payroll in the industry for every 8,701 households, against one for every 12,867 across the U.S. The official count rose 31.8% from 2019 to 2023, against +32.0% 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 65 for urgent care and walk-in clinics (upper middle), #65 of 325 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 urgent care and walk-in clinics 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 urgent care and walk-in clinics · 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.