Groceries and convenience · County · Washington
Convenience stores in King County, WA
Competitor counts, household spending and official business counts for convenience stores in King County, WA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 87 out of 100: High
Ranked #66 of 2,261 scored counties
#2 of 33 scored counties in Washington
- Listings
- 445
- 313 chain locations (70%)
- Official establishments
- 162
- +7.3% since 2019
- Household spending a year
- $6.6B
- On groceries · $7,038 a household
- Spending per listing
- $14.9M
- 89% above the U.S.
- Listings per 10k households
- 4.7
- 41% below the U.S.
- Population, 2025
- 2,344,939
- +3.1% since 2020
See the convenience stores around any address in King County
The site report maps the convenience 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.
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
King County scores 87 (high) on the Groundwork market score for convenience stores, ranking #66 of 2,261 scored counties and #2 of 33 scored counties in Washington. That puts it in the top 10% of counties for convenience stores.
As of September 2026, map listings count 445 convenience stores in King County. Chain locations make up 70% of them, against 60% across the U.S. That is 4.7 per 10,000 households, 41% below the U.S. rate of 8.0.
At $7,038 per household (11% above the U.S. average), households in King County spend about $6.6B a year on groceries. That works out to $14.9M per store, 89% above the U.S. figure of $7.9M. That spending covers all groceries, which convenience stores share with other businesses in the trade.
In 2023, official counts showed 162 businesses with payroll in King County classed as convenience stores, up 7.3% from 2019. That is one for every 5,809 households, against one for every 3,493 across the U.S. Since fiscal 2022, 22 SBA-backed loans worth $20.2M have gone to businesses classed as convenience stores in King County. Between 2020 and 2025, the population of King County grew 3.1%, 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 groceries by the convenience 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 | King County | Washington | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.7 | 5.9 | 8.0 |
| Spending per listing | $14.9M | $11.1M | $7.9M |
| Households per official establishment | 5,809 | 4,520 | 3,493 |
| Official establishment growth, 2019–2023 | +7.3% | +24.6% | +22.0% |
| 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 score | 87 | 73 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 151 → 162+7.3% over the period
- Employees, 2023
- 750
- Annual payroll, 2023
- $25.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 445313 chain locations
- Listings at the U.S. rate for this spending
- 841The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 22
- Amount
- $20.2M
SBA-backed loans to businesses classed as convenience 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 convenience 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 cardConvenience stores across Washington
Every Washington market ranked →The highest-scoring counties in Washington for convenience stores, numbered among those based in Washington, with King County marked.
Top counties in Washington
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Douglas County, WA | 89 | 7 | 4.4 | $14.1M | +8.0% | #42 of 2,261 |
| 2King County, WA | 87 | 445 | 4.7 | $14.9M | +3.1% | #66 of 2,261 |
| 3Kitsap County, WA | 85 | 52 | 4.8 | $13.8M | +2.7% | #87 of 2,261 |
| 4San Juan County, WA | 84 | 5 | 5.5 | $11.2M | +4.2% | #101 of 2,261 |
| 5Thurston County, WA | 82 | 64 | 5.4 | $11.8M | +2.8% | #128 of 2,261 |
| 6Snohomish County, WA | 82 | 194 | 6.1 | $11.1M | +4.9% | #129 of 2,261 |
| 7Benton County, WA | 81 | 59 | 7.6 | $8.3M | +6.9% | #154 of 2,261 |
| 8Clark County, WA | 80 | 105 | 5.4 | $12.1M | +5.3% | #165 of 2,261 |
| 9Pierce County, WA | 79 | 186 | 5.3 | $12.3M | +2.5% | #185 of 2,261 |
| 10Island County, WA | 78 | 8 | 2.2 | $28.3M | −1.5% | #208 of 2,261 |
Other business types in King County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
- Grocery and convenience stores75
- Grocery stores58
- Convenience stores87
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many convenience stores are in King County, WA?
King County has 445 convenience stores on map listings as of September 2026. 313 of them (70%) are chain locations. The listings count convenience stores without fuel. Official counts show 162 businesses with payroll classed as convenience stores in 2023, up 7.3% 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 445 convenience stores on map listings, it comes to $14.9M per store. The spending figure covers all groceries, not only convenience 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 convenience stores?
King County has 4.7 convenience stores per 10,000 households, 41% below the U.S. rate of 8.0. Spending per store is $14.9M, 89% above the U.S. figure of $7.9M. At the national ratio of convenience stores to household spending, King County would have about 841, against 445 on map listings. There is one business with payroll in the industry for every 5,809 households, against one for every 3,493 across the U.S. The official count rose 7.3% from 2019 to 2023, against +22.0% 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 87 for convenience stores (high), #66 of 2,261 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 convenience 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 convenience 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.