Pets · County · Pennsylvania
Pet stores in Mercer County, PA
Competitor counts, household spending and official business counts for pet stores in Mercer County, PA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 23 out of 100: Low
Ranked #878 of 974 scored counties
#31 of 45 scored counties in Pennsylvania
- Listings
- 9
- 4 chain locations (44%)
- Official establishments
- 4
- Businesses with payroll, 2023
- Household spending a year
- $25.1M
- On pets · $540 a household
- Spending per listing
- $2.8M
- 38% below the U.S.
- Listings per 10k households
- 1.9
- 5% below the U.S.
- Population, 2025
- 107,860
- −2.4% since 2020
See the pet stores around any address in Mercer County
The site report maps the pet stores 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 Mercer 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
Mercer County scores 23 (low) on the Groundwork market score for pet stores, ranking #878 of 974 scored counties and #31 of 45 scored counties in Pennsylvania. That puts it in the bottom quarter of counties.
At $540 per household (41% below the U.S. average), households in Mercer County spend about $25.1M a year on pets. That is about $2.8M of household spending for each store on map listings, 38% below the U.S. figure of $4.5M. The spending figure covers all pets, not only pet stores.
There are 9 pet stores on map listings in Mercer County as of September 2026. Chain locations make up 44% of them, against 38% across the U.S. Per 10,000 households, that is 1.9, 5% below the U.S. rate of 2.0.
In 2023, official counts showed 4 businesses with payroll in Mercer County classed as pet and pet supplies stores. That is one for every 11,631 households, against one for every 13,024 across the U.S. Between 2020 and 2025, the population of Mercer County declined 2.4%, against +3.1% for the U.S.
How Mercer County compares
The same measures for Pennsylvania and the whole U.S. Spending per listing divides a year of household spending on all pets by the pet stores 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 | Mercer County | Pennsylvania | U.S. |
|---|---|---|---|
| Listings per 10k households | 1.9 | 2.1 | 2.0 |
| Spending per listing | $2.8M | $3.1M | $4.5M |
| Households per official establishment | 11,631 | 13,701 | 13,024 |
| Official establishment growth, 2019–2023 | n/a | −14.1% | −1.6% |
| Population growth, 2020–2025 | −2.4% | +0.5% | +3.1% |
| Spending per household on pets | $540 | $647 | $909 |
| Median household income | $59,976 | $77,971 | $80,734 |
| Groundwork market score | 23 | 18 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 4
- Employees, 2023
- 62
- Annual payroll, 2023
- $1.6M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 94 chain locations
- Listings at the U.S. rate for this spending
- 6The 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 pet and pet supplies stores in Mercer 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 Mercer County
- Population, 2025 estimate
- 107,860−2.4% since 2020
- Households
- 46,524
- Median age
- 45.1
- Homes lived in by their owners
- 72%
- Vehicles per household
- 1.7
- Land area
- 673 sq. mi.
- People per square mile
- 162
- Median household income
- $59,976+18.3% vs. 2015–2019, before inflation
- Average household income
- $79,358
- Median home value
- $164,000
- Jobs located here
- 42,473
- Daytime population
- 106,817Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Mercer 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 stores on map listings by name and distance.
Or open the report at the center of Mercer County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardPet stores across Pennsylvania
Every Pennsylvania market ranked →The highest-scoring counties in Pennsylvania for pet stores, numbered among those based in Pennsylvania, with Mercer County marked.
Top counties in Pennsylvania
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Philadelphia County, PA | 55 | 66 | 1.0 | $5.9M | −1.6% | #393 of 974 |
| 2Dauphin County, PA | 54 | 19 | 1.6 | $4M | +2.3% | #413 of 974 |
| 3Lycoming County, PA | 51 | 5 | 1.1 | $5.2M | −1.3% | #453 of 974 |
| 4Cumberland County, PA | 50 | 24 | 2.3 | $3M | +6.5% | #489 of 974 |
| 5Lackawanna County, PA | 49 | 12 | 1.4 | $4.3M | +0.5% | #497 of 974 |
| 6Montgomery County, PA | 48 | 74 | 2.2 | $3.7M | +2.4% | #524 of 974 |
| 7Erie County, PA | 46 | 13 | 1.2 | $4.8M | −1.8% | #547 of 974 |
| 8Chester County, PA | 43 | 49 | 2.4 | $3.6M | +4.2% | #604 of 974 |
| 9Adams County, PA | 41 | 7 | 1.7 | $3.8M | +3.6% | #636 of 974 |
| 10Franklin County, PA | 41 | 14 | 2.2 | $2.8M | +3.0% | #641 of 974 |
| 31Mercer County, PA | 23 | 9 | 1.9 | $2.8M | −2.4% | #878 of 974 |
Other business types in Mercer 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
Pets
- Pet businesses10
- Veterinarians13
- Pet grooming and boarding16
- Pet stores23
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many pet stores are in Mercer County, PA?
As of September 2026, map listings count 9 pet stores in Mercer County. 4 of them (44%) are chain locations. The listings count pet stores. Official counts show 4 businesses with payroll classed as pet and pet supplies stores in 2023.
How much do households in Mercer County, PA spend on pets?
About $25.1M a year, or $540 per household. That is 41% below the U.S. average (an index of 59, where 100 is the U.S. average). Spread across the 9 pet stores on map listings, it comes to $2.8M per store. That spending covers all pets, which pet stores share with other businesses in the trade. It is estimated from the incomes of the 46,524 households in Mercer County and national spending patterns by income.
How does Mercer County, PA compare with the U.S. for pet stores?
Mercer County has 1.9 pet stores per 10,000 households, 5% below the U.S. rate of 2.0. Spending per store is $2.8M, 38% below the U.S. figure of $4.5M. At the U.S. ratio of pet stores to household spending, Mercer County would have about 6, against 9 on map listings. There is one business with payroll in the industry for every 11,631 households, against one for every 13,024 across the U.S.
How fast is Mercer County, PA growing?
Population estimates put Mercer County at 107,860 people in 2025, down 2.4% since 2020, against +3.1% for the U.S. It has 46,524 households. The median household income in Mercer County is $59,976 a year, 26% below the U.S. median of $80,734. That rose 18.3% 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. Mercer County scores 23 for pet stores (low), #878 of 974 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Mercer County. It maps the pet stores 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 stores · All 56 business types in Mercer County
Screening a site or an acquisition in Mercer 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 Mercer 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.