Auto · County · Washington
Gas stations in San Juan County, WA
The gas stations in San Juan County, WA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 71 out of 100: Upper middle
Ranked #383 of 2,358 scored counties
#16 of 34 scored counties in Washington
- Listings
- 11
- 8 chain locations (73%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $26.3M
- On gasoline and other fuels · $2,917 a household
- Spending per listing
- $2.4M
- In line with the U.S.
- Listings per 10k households
- 12.2
- 12% above the U.S.
- Population, 2025
- 18,577
- +4.2% since 2020
See the gas stations around any address in San Juan County
The site report maps the gas stations 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 San Juan 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
Household spending on gasoline and other fuels in San Juan County comes to about $26.3M a year: $2,917 per household, 12% above the U.S. average. That works out to $2.4M per station, in line with the U.S. figure of $2.4M.
San Juan County has 11 gas stations on map listings as of September 2026. Of those, 8 are chain locations, or 73%, against 84% across the U.S. That comes to 12.2 for every 10,000 households, 12% above the U.S. rate of 10.9.
The official count of businesses with payroll classed as gasoline stations in San Juan County was 6 in 2023. That is one for every 1,503 households, against one for every 1,184 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $2.5M has gone to businesses classed as gasoline stations in San Juan County.
Population estimates put the population change in San Juan County from 2020 to 2025 at +4.2%, faster than the U.S. (+3.1%). For gas stations, San Juan County has a Groundwork market score of 71 (upper middle): #383 of 2,358 scored counties and #16 of 34 scored counties in Washington. That puts it in the top quarter of counties.
How San Juan County compares
The same measures for Washington and the whole U.S. Spending per listing divides a year of household spending on all gasoline and other fuels by the gas stations 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 | San Juan County | Washington | U.S. |
|---|---|---|---|
| Listings per 10k households | 12.2 | 9.5 | 10.9 |
| Spending per listing | $2.4M | $2.9M | $2.4M |
| Households per official establishment | 1,503 | 1,697 | 1,184 |
| Official establishment growth, 2019–2023 | n/a | −3.9% | −3.1% |
| Population growth, 2020–2025 | +4.2% | +3.6% | +3.1% |
| Spending per household on gasoline and other fuels | $2,917 | $2,729 | $2,595 |
| Median household income | $84,800 | $98,141 | $80,734 |
| Groundwork market score | 71 | 74 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 6
- Employees, 2023
- 33
- Annual payroll, 2023
- $1.5M
- One-person businesses, 2023
- 0Businesses with no payroll
- Map listings, September 2026
- 118 chain locations
- Listings at the U.S. rate for this spending
- 11The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $2.5M
SBA-backed loans to businesses classed as gasoline stations in San Juan 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 San Juan County
- Population, 2025 estimate
- 18,577+4.2% since 2020
- Households
- 9,015
- Median age
- 56.2
- Homes lived in by their owners
- 78%
- Vehicles per household
- 2.1
- Land area
- 174 sq. mi.
- People per square mile
- 106
- Median household income
- $84,800+33.3% vs. 2015–2019, before inflation
- Average household income
- $131,031
- Median home value
- $799,200
- Jobs located here
- 5,552
- Daytime population
- 16,562Residents who don’t work, plus everyone whose job is here
Looking at a specific site in San Juan 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 gas stations on map listings by name and distance.
Or open the report at the center of San Juan County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardGas stations across Washington
Every Washington market ranked →The highest-scoring counties in Washington for gas stations, numbered among those based in Washington, with San Juan County marked.
Top counties in Washington
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Douglas County, WA | 93 | 9 | 5.7 | $5.7M | +8.0% | #9 of 2,358 |
| 2Clark County, WA | 82 | 154 | 7.9 | $3.7M | +5.3% | #112 of 2,358 |
| 3Snohomish County, WA | 81 | 270 | 8.5 | $3.4M | +4.9% | #132 of 2,358 |
| 4Mason County, WA | 81 | 34 | 13.1 | $2.5M | +7.8% | #141 of 2,358 |
| 5Stevens County, WA | 80 | 27 | 13.9 | $2.4M | +6.6% | #158 of 2,358 |
| 6Benton County, WA | 78 | 75 | 9.6 | $3M | +6.9% | #195 of 2,358 |
| 7Pierce County, WA | 76 | 320 | 9.1 | $3.2M | +2.5% | #234 of 2,358 |
| 8Kitsap County, WA | 76 | 107 | 9.9 | $3M | +2.7% | #236 of 2,358 |
| 9Island County, WA | 74 | 21 | 5.8 | $5.1M | −1.5% | #278 of 2,358 |
| 10Skagit County, WA | 74 | 60 | 11.5 | $2.7M | +2.4% | #299 of 2,358 |
| 16San Juan County, WA | 71 | 11 | 12.2 | $2.4M | +4.2% | #383 of 2,358 |
Other business types in San Juan 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
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many gas stations are in San Juan County, WA?
Map listings as of September 2026 show 11 gas stations in San Juan County. 8 of them (73%) are chain locations. The listings count gas stations. Official counts show 6 businesses with payroll classed as gasoline stations in 2023.
How much do households in San Juan County, WA spend on gasoline and other fuels?
About $26.3M a year, or $2,917 per household. That is 12% above the U.S. average (an index of 112, where 100 is the U.S. average). Spread across the 11 gas stations on map listings, it comes to $2.4M per station. It is estimated from the incomes of the 9,015 households in San Juan County and national spending patterns by income.
How does San Juan County, WA compare with the U.S. for gas stations?
San Juan County has 12.2 gas stations per 10,000 households, 12% above the U.S. rate of 10.9. Spending per station is $2.4M, in line with the U.S. figure of $2.4M. The count on map listings matches the U.S. ratio of gas stations to household spending. There is one business with payroll in the industry for every 1,503 households, against one for every 1,184 across the U.S.
How fast is San Juan County, WA growing?
Population estimates put San Juan County at 18,577 people in 2025, up 4.2% since 2020, faster than the U.S. (+3.1%). It has 9,015 households. Median household income in San Juan County is $84,800, 5% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.3%, 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. San Juan County scores 71 for gas stations (upper middle), #383 of 2,358 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in San Juan County. It maps the gas stations 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 gas stations · All 56 business types in San Juan County
Screening a site or an acquisition in San Juan 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 San Juan 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.