Groundwork

Pets · County · Washington

Pet businesses in King County, WA

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

Groundwork market score · out of 100

Score 73 out of 100: Upper middle

Ranked #187 of 2,200 scored counties
#10 of 31 scored counties in Washington

Listings
912
211 chain locations (23%)
Official establishments
613
+8.5% since 2019
Household spending a year
$1.2B
On pets · $1,311 a household
Spending per listing
$1.4M
54% above the U.S.
Listings per 10k households
9.7
7% below the U.S.
Population, 2025
2,344,939
+3.1% since 2020

See the pet businesses around any address in King 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 King 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

King County scores 73 (upper middle) on the Groundwork market score for pet businesses, ranking #187 of 2,200 scored counties and #10 of 31 scored counties in Washington. That puts it in the top 10% of counties for pet businesses.

Households in King County spend about $1.2B a year on pets, or $1,311 per household, 44% above the U.S. average. That works out to $1.4M per business, 54% above the U.S. figure of $878K.

There are 912 pet businesses on map listings in King County as of September 2026. 211 of them (23%) are chain locations, against 17% across the U.S. Per 10,000 households, that is 9.7, 7% below the U.S. rate of 10.4.

Official counts show 613 businesses with payroll classed as pet care, veterinarians and pet stores in King County in 2023, up 8.5% from 2019. That is one for every 1,535 households, against one for every 1,852 across the U.S. Since fiscal 2022, 44 SBA-backed loans worth $34.3M have gone to businesses classed as pet care, veterinarians and pet stores in King County. Population estimates show King County grew 3.1% from 2020 to 2025, in step with the U.S. (+3.1%).

How King County compares

The same measures for Washington 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 King County, WA compared with Washington and the U.S.
MeasureKing CountyWashingtonU.S.
Listings per 10k households9.710.810.4
Spending per listing$1.4M$1M$878K
Households per official establishment1,5351,5541,852
Official establishment growth, 2019–2023+8.5%+10.0%+11.4%
Population growth, 2020–2025+3.1%+3.6%+3.1%
Spending per household on pets$1,311$1,131$909
Median household income$124,746$98,141$80,734
Groundwork market score7369

Official counts and lending

Businesses

Official establishments, 2019 to 2023
565 → 613+8.5% over the period
Employees, 2023
7,132
Annual payroll, 2023
$358.3M
One-person businesses, 2023
2,105Businesses with no payroll
Map listings, September 2026
912211 chain locations
Listings at the U.S. rate for this spending
1,404The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
44
Amount
$34.3M

SBA-backed loans to businesses classed as pet care, veterinarians and pet stores in King 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 King County

Population, 2025 estimate
2,344,939+3.1% since 2020
Households
941,054
Median age
38.8
Homes lived in by their owners
55%
Vehicles per household
1.6
Land area
2,116 sq. mi.
People per square mile
1,081
Median household income
$124,746+31.4% vs. 2015–2019, before inflation
Average household income
$176,807
Median home value
$859,900
Jobs located here
1,503,962
Daytime population
2,645,877Residents who don’t work, plus everyone whose job is here

Looking at a specific site in King 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 King 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 Washington

Every Washington market ranked →

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

Top counties in Washington

Counties in Washington ranked for pet businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Douglas County, WA93116.9$1.5M+8.0%#1 of 2,200
2Franklin County, WA90196.4$1.6M+5.6%#5 of 2,200
3Mason County, WA87249.2$1.1M+7.8%#16 of 2,200
4Walla Walla County, WA79198.1$1.2M−0.4%#84 of 2,200
5Klickitat County, WA791111.1$827K+6.6%#95 of 2,200
6Jefferson County, WA76169.8$977K+2.7%#142 of 2,200
7Grant County, WA75359.9$910K+6.3%#165 of 2,200
8Yakima County, WA74596.7$1.3M+1.0%#172 of 2,200
9Clark County, WA7421310.9$1M+5.3%#177 of 2,200
10King County, WA739129.7$1.4M+3.1%#187 of 2,200

Other business types in King County

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

Questions

How many pet businesses are in King County, WA?

As of September 2026, map listings count 912 pet businesses in King County. 211 of them (23%) are chain locations. The listings count vets, groomers, boarding and pet stores. Official counts show 613 businesses with payroll classed as pet care, veterinarians and pet stores in 2023, up 8.5% from 2019. Official counts list 2,105 one-person businesses without payroll.

How much do households in King County, WA spend on pets?

About $1.2B a year, or $1,311 per household. That is 44% above the U.S. average (an index of 144, where 100 is the U.S. average). Spread across the 912 pet businesses on map listings, it comes to $1.4M per business. It is estimated from the incomes of the 941,054 households in King County and national spending patterns by income.

How does King County, WA compare with the U.S. for pet businesses?

King County has 9.7 pet businesses per 10,000 households, 7% below the U.S. rate of 10.4. Spending per business is $1.4M, 54% above the U.S. figure of $878K. At the U.S. ratio of pet businesses to household spending, King County would have about 1,404, against 912 on map listings. There is one business with payroll in the industry for every 1,535 households, against one for every 1,852 across the U.S. The official count rose 8.5% from 2019 to 2023, against +11.4% for the U.S.

How fast is King County, WA growing?

Population estimates put King County at 2,344,939 people in 2025, up 3.1% since 2020, in step with the U.S. (+3.1%). It has 941,054 households. Median household income in King County is $124,746, 55% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.4%, 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. King County scores 73 for pet businesses (upper middle), #187 of 2,200 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in King 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 King County

Screening a site or an acquisition in King 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 King 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.