Groundwork

Pets · County · Illinois

Pet businesses in Williamson County, IL

The pet businesses in Williamson County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 32 out of 100: Lower middle

Ranked #1,821 of 2,200 scored counties
#54 of 83 scored counties in Illinois

Listings
44
3 chain locations (7%)
Official establishments
17
Businesses with payroll, 2023
Household spending a year
$22.7M
On pets · $782 a household
Spending per listing
$515K
41% below the U.S.
Listings per 10k households
15.2
46% above the U.S.
Population, 2025
67,225
+0.2% 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

Williamson County scores 32 (lower middle) on the Groundwork market score for pet businesses, ranking #1,821 of 2,200 scored counties and #54 of 83 scored counties in Illinois. That puts it in the bottom quarter of counties.

Map listings as of September 2026 show 44 pet businesses in Williamson County. Of those, 3 are chain locations, or 7%, against 17% across the U.S. That comes to 15.2 for every 10,000 households, 46% above the U.S. rate of 10.4.

At $782 per household (14% below the U.S. average), households in Williamson County spend about $22.7M a year on pets. Spread across 44 pet businesses, that is $515K per business, 41% below the U.S. figure of $878K.

In 2023, official counts showed 17 businesses with payroll in Williamson County classed as pet care, veterinarians and pet stores. That is one for every 1,705 households, against one for every 1,852 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $873K have gone to businesses classed as pet care, veterinarians and pet stores in Williamson County. Between 2020 and 2025, the population of Williamson County grew 0.2%, slower than the U.S. (+3.1%).

How Williamson County compares

The same measures for Illinois 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, IL compared with Illinois and the U.S.
MeasureWilliamson CountyIllinoisU.S.
Listings per 10k households15.29.910.4
Spending per listing$515K$935K$878K
Households per official establishment1,7051,9771,852
Official establishment growth, 2019–2023n/a+7.6%+11.4%
Population growth, 2020–2025+0.2%−0.6%+3.1%
Spending per household on pets$782$925$909
Median household income$65,604$83,390$80,734
Groundwork market score3255

Official counts and lending

Businesses

Official establishments, 2019 to 2023
14 → 17
Employees, 2023
183
Annual payroll, 2023
$6.5M
One-person businesses, 2023
27Businesses with no payroll
Map listings, September 2026
443 chain locations
Listings at the U.S. rate for this spending
26The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$873K

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
67,225+0.2% since 2020
Households
28,983
Median age
42.8
Homes lived in by their owners
71%
Vehicles per household
1.8
Land area
420 sq. mi.
People per square mile
159
Median household income
$65,604+29.3% vs. 2015–2019, before inflation
Average household income
$85,846
Median home value
$156,400
Jobs located here
28,604
Daytime population
68,042Residents 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 Illinois

Every Illinois market ranked →

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

Top counties in Illinois

Counties in Illinois ranked for pet businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Cook County, IL721,5087.2$1.3M−1.3%#214 of 2,200
2Boone County, IL72178.7$1M+0.4%#221 of 2,200
3Will County, IL6627211.1$957K+2.2%#426 of 2,200
4St. Clair County, IL65747.3$1.2M−2.5%#457 of 2,200
5Kendall County, IL655913.0$819K+9.9%#480 of 2,200
6Kane County, IL6421311.5$901K+1.8%#504 of 2,200
7DuPage County, IL6339211.2$989K+0.3%#537 of 2,200
8Piatt County, IL63811.6$803K+0.6%#555 of 2,200
9Ogle County, IL60209.6$891K−0.7%#653 of 2,200
10Jersey County, IL59810.0$863K−1.5%#690 of 2,200
54Williamson County, IL324415.2$515K+0.2%#1,821 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, IL?

There are 44 pet businesses on map listings in Williamson County as of September 2026. 3 of them (7%) are chain locations. The listings count vets, groomers, boarding and pet stores. Official counts show 17 businesses with payroll classed as pet care, veterinarians and pet stores in 2023. Another 27 one-person businesses have no payroll, by official counts.

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

About $22.7M a year, or $782 per household. That is 14% below the U.S. average (an index of 86, where 100 is the U.S. average). Spread across the 44 pet businesses on map listings, it comes to $515K per business. It is estimated from the incomes of the 28,983 households in Williamson County and national spending patterns by income.

How does Williamson County, IL compare with the U.S. for pet businesses?

Williamson County has 15.2 pet businesses per 10,000 households, 46% above the U.S. rate of 10.4. Spending per business is $515K, 41% below the U.S. figure of $878K. At the national ratio of pet businesses to household spending, Williamson County would have about 26, against 44 on map listings. There is one business with payroll in the industry for every 1,705 households, against one for every 1,852 across the U.S.

How fast is Williamson County, IL growing?

Population estimates put Williamson County at 67,225 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 28,983 households. The median household income in Williamson County is $65,604 a year, 19% below the U.S. median of $80,734. That rose 29.3% 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 32 for pet businesses (lower middle), #1,821 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.