Groundwork

Pets · County · Tennessee

Pet businesses in Williamson County, TN

How Williamson County, TN compares with other counties and the U.S. for pet businesses: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 70 out of 100: Upper middle

Ranked #282 of 2,200 scored counties
#11 of 82 scored counties in Tennessee

Listings
130
37 chain locations (28%)
Official establishments
71
+4.4% since 2019
Household spending a year
$120.4M
On pets · $1,306 a household
Spending per listing
$926K
5% above the U.S.
Listings per 10k households
14.1
36% above the U.S.
Population, 2025
272,061
+9.0% since 2020

See the pet businesses around any address in Williamson County

The site report maps the pet 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 card

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

What this means

Map listings as of September 2026 show 130 pet businesses in Williamson County. Chain locations make up 28% of them, against 17% across the U.S. That comes to 14.1 for every 10,000 households, 36% above the U.S. rate of 10.4.

Household spending on pets in Williamson County comes to about $120.4M a year: $1,306 per household, 44% above the U.S. average. That works out to $926K per business, 5% above the U.S. figure of $878K.

Official counts show 71 businesses with payroll classed as pet care, veterinarians and pet stores in Williamson County in 2023, up 4.4% from 2019. That is one for every 1,299 households, against one for every 1,852 across the U.S. Official counts list 200 one-person businesses without payroll. Since fiscal 2022, 5 SBA-backed loans worth $7.7M have gone to businesses classed as pet care, veterinarians and pet stores 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%). Williamson County scores 70 (upper middle) on the Groundwork market score for pet businesses, ranking #282 of 2,200 scored counties and #11 of 82 scored counties in Tennessee. That puts it in the top quarter of counties.

How Williamson County compares

The same measures for Tennessee and the whole U.S. Spending per listing divides a year of household spending on all pets by the pet businesses counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Pet businesses in Williamson County, TN compared with Tennessee and the U.S.
MeasureWilliamson CountyTennesseeU.S.
Listings per 10k households14.110.710.4
Spending per listing$926K$811K$878K
Households per official establishment1,2991,9901,852
Official establishment growth, 2019–2023+4.4%+16.8%+11.4%
Population growth, 2020–2025+9.0%+5.6%+3.1%
Spending per household on pets$1,306$871$909
Median household income$135,594$69,595$80,734
Groundwork market score7062

Official counts and lending

Businesses

Official establishments, 2019 to 2023
68 → 71+4.4% over the period
Employees, 2023
964
Annual payroll, 2023
$46.3M
One-person businesses, 2023
200Businesses with no payroll
Map listings, September 2026
13037 chain locations
Listings at the U.S. rate for this spending
137The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
5
Amount
$7.7M

SBA-backed loans to businesses classed as pet care, veterinarians and pet stores 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 pet 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 card

Pet businesses across Tennessee

Every Tennessee market ranked →

The highest-scoring counties in Tennessee for pet businesses, numbered among those based in Tennessee, with Williamson County marked.

Top counties in Tennessee

Counties in Tennessee ranked for pet businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Robertson County, TN89269.2$994K+9.9%#9 of 2,200
2Roane County, TN82229.7$885K+7.0%#55 of 2,200
3Rutherford County, TN801158.9$1.1M+12.6%#70 of 2,200
4Franklin County, TN79169.2$878K+6.4%#94 of 2,200
5Tipton County, TN78156.6$1.3M+2.0%#99 of 2,200
6Sumner County, TN778410.7$926K+9.2%#122 of 2,200
7Davidson County, TN762748.4$1.1M+4.2%#139 of 2,200
8Montgomery County, TN76859.7$895K+13.0%#146 of 2,200
9Union County, TN7278.8$885K+8.1%#229 of 2,200
10Hickman County, TN7299.5$841K+5.0%#231 of 2,200
11Williamson County, TN7013014.1$926K+9.0%#282 of 2,200

Other business types in Williamson County

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

Questions

How many pet businesses are in Williamson County, TN?

There are 130 pet businesses on map listings in Williamson County as of September 2026. 37 of them (28%) are chain locations. The listings count vets, groomers, boarding and pet stores. Official counts show 71 businesses with payroll classed as pet care, veterinarians and pet stores in 2023, up 4.4% from 2019. Official counts also show 200 one-person businesses without payroll.

How much do households in Williamson County, TN spend on pets?

About $120.4M a year, or $1,306 per household. That is 44% above the U.S. average (an index of 144, where 100 is the U.S. average). Spread across the 130 pet businesses on map listings, it comes to $926K per business. 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 pet businesses?

Williamson County has 14.1 pet businesses per 10,000 households, 36% above the U.S. rate of 10.4. Spending per business is $926K, 5% above the U.S. figure of $878K. At the national ratio of pet businesses to household spending, Williamson County would have about 137, against 130 on map listings. There is one business with payroll in the industry for every 1,299 households, against one for every 1,852 across the U.S. The official count rose 4.4% from 2019 to 2023, against +11.4% 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 70 for pet businesses (upper middle), #282 of 2,200 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 pet 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 pet 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.