Groundwork

Groceries and convenience · County · Washington

Grocery stores in King County, WA

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

Groundwork market score · out of 100

Score 58 out of 100: Upper middle

Ranked #754 of 2,070 scored counties
#11 of 34 scored counties in Washington

Listings
761
209 chain locations (27%)
Official establishments
499
+1.8% since 2019
Household spending a year
$6.6B
On groceries · $7,038 a household
Spending per listing
$8.7M
6% below the U.S.
Listings per 10k households
8.1
19% above the U.S.
Population, 2025
2,344,939
+3.1% since 2020

See the grocery stores around any address in King County

The site report maps the grocery 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 King 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

As of September 2026, map listings count 761 grocery stores in King County. Chain locations make up 27% of them, against 37% across the U.S. That comes to 8.1 for every 10,000 households, 19% above the U.S. rate of 6.8.

Households in King County spend about $6.6B a year on groceries, or $7,038 per household, 11% above the U.S. average. That works out to $8.7M per store, 6% below the U.S. figure of $9.3M. That spending covers all groceries, which grocery stores share with other businesses in the trade.

Official counts show 499 businesses with payroll classed as supermarkets and grocery stores in King County in 2023, up 1.8% from 2019. That is one for every 1,886 households, against one for every 2,053 across the U.S. Since fiscal 2022, 18 SBA-backed loans worth $14.2M have gone to businesses classed as supermarkets and grocery stores in King County.

Population estimates put the population change in King County from 2020 to 2025 at +3.1%, in step with the U.S. (+3.1%). The Groundwork market score for grocery stores in King County is 58 (upper middle), #754 of 2,070 scored counties and #11 of 34 scored counties in Washington.

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 groceries by the grocery 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.

Grocery stores in King County, WA compared with Washington and the U.S.
MeasureKing CountyWashingtonU.S.
Listings per 10k households8.17.16.8
Spending per listing$8.7M$9.1M$9.3M
Households per official establishment1,8861,9312,053
Official establishment growth, 2019–2023+1.8%+5.0%0.0%
Population growth, 2020–2025+3.1%+3.6%+3.1%
Spending per household on groceries$7,038$6,520$6,319
Median household income$124,746$98,141$80,734
Groundwork market score5852

Official counts and lending

Businesses

Official establishments, 2019 to 2023
490 → 499+1.8% over the period
Employees, 2023
20,866
Annual payroll, 2023
$847.6M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
761209 chain locations
Listings at the U.S. rate for this spending
713The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
18
Amount
$14.2M

SBA-backed loans to businesses classed as supermarkets and grocery 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 grocery stores 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

Grocery stores across Washington

Every Washington market ranked →

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

Top counties in Washington

Counties in Washington ranked for grocery stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Clark County, WA81974.9$13.1M+5.3%#169 of 2,070
2Kitsap County, WA71595.4$12.1M+2.7%#377 of 2,070
3Snohomish County, WA701885.9$11.4M+4.9%#408 of 2,070
4Benton County, WA68526.7$9.4M+6.9%#466 of 2,070
5Pierce County, WA671855.3$12.4M+2.5%#477 of 2,070
6Thurston County, WA67705.9$10.8M+2.8%#483 of 2,070
7Spokane County, WA661265.8$10.4M+3.2%#515 of 2,070
8Cowlitz County, WA64225.0$11.8M+3.5%#563 of 2,070
9Douglas County, WA60106.3$9.9M+8.0%#679 of 2,070
10Franklin County, WA59206.7$9.3M+5.6%#722 of 2,070
11King County, WA587618.1$8.7M+3.1%#754 of 2,070

Other business types in King County

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

Questions

How many grocery stores are in King County, WA?

King County has 761 grocery stores on map listings as of September 2026. 209 of them (27%) are chain locations. The listings count grocery stores and supermarkets. Official counts show 499 businesses with payroll classed as supermarkets and grocery stores in 2023, up 1.8% from 2019.

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

About $6.6B a year, or $7,038 per household. That is 11% above the U.S. average (an index of 111, where 100 is the U.S. average). Spread across the 761 grocery stores on map listings, it comes to $8.7M per store. The spending figure covers all groceries, not only grocery stores. 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 grocery stores?

King County has 8.1 grocery stores per 10,000 households, 19% above the U.S. rate of 6.8. Spending per store is $8.7M, 6% below the U.S. figure of $9.3M. At the national ratio of grocery stores to household spending, King County would have about 713, against 761 on map listings. There is one business with payroll in the industry for every 1,886 households, against one for every 2,053 across the U.S. The official count rose 1.8% from 2019 to 2023, against 0.0% 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 58 for grocery stores (upper middle), #754 of 2,070 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 grocery 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 grocery stores · 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.