Auto · County · Idaho
Gas stations in Washington County, ID
The gas stations in Washington County, ID, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 49 out of 100: Lower middle
Ranked #1,238 of 2,358 scored counties
#23 of 30 scored counties in Idaho
- Listings
- 9
- 7 chain locations (78%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $12.7M
- On gasoline and other fuels · $3,026 a household
- Spending per listing
- $1.4M
- 41% below the U.S.
- Listings per 10k households
- 21.4
- 96% above the U.S.
- Population, 2025
- 11,583
- +9.7% since 2020
See the gas stations around any address in Washington 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 Washington 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 Washington County comes to about $12.7M a year: $3,026 per household, 17% above the U.S. average. Spread across 9 gas stations, that is $1.4M per station, 41% below the U.S. figure of $2.4M.
There are 9 gas stations on map listings in Washington County as of September 2026. 7 of them (78%) are chain locations, against 84% across the U.S. That comes to 21.4 for every 10,000 households, 96% above the U.S. rate of 10.9.
The official count of businesses with payroll classed as gasoline stations in Washington County was 6 in 2023. That is one for every 700 households, against one for every 1,184 across the U.S.
Between 2020 and 2025, the population of Washington County grew 9.7%, faster than the U.S. (+3.1%). Washington County scores 49 (lower middle) on the Groundwork market score for gas stations, ranking #1,238 of 2,358 scored counties and #23 of 30 scored counties in Idaho.
How Washington County compares
The same measures for Idaho 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 | Washington County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 21.4 | 14.1 | 10.9 |
| Spending per listing | $1.4M | $2.2M | $2.4M |
| Households per official establishment | 700 | 1,104 | 1,184 |
| Official establishment growth, 2019–2023 | n/a | −2.4% | −3.1% |
| Population growth, 2020–2025 | +9.7% | +9.8% | +3.1% |
| Spending per household on gasoline and other fuels | $3,026 | $3,067 | $2,595 |
| Median household income | $54,000 | $77,800 | $80,734 |
| Groundwork market score | 49 | 69 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 6 → 6
- Employees, 2023
- 60
- Annual payroll, 2023
- $2M
- One-person businesses, 2023
- 0Businesses with no payroll
- Map listings, September 2026
- 97 chain locations
- Listings at the U.S. rate for this spending
- 5The 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 gasoline stations in Washington 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 Washington County
- Population, 2025 estimate
- 11,583+9.7% since 2020
- Households
- 4,202
- Median age
- 46.3
- Homes lived in by their owners
- 75%
- Vehicles per household
- 2.1
- Land area
- 1,453 sq. mi.
- People per square mile
- 8
- Median household income
- $54,000+31.7% vs. 2015–2019, before inflation
- Average household income
- $77,135
- Median home value
- $278,100
- Jobs located here
- 2,991
- Daytime population
- 9,859Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Washington 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 Washington 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 Idaho
Every Idaho market ranked →The highest-scoring counties in Idaho for gas stations, numbered among those based in Idaho, with Washington County marked.
Top counties in Idaho
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Canyon County, ID | 91 | 87 | 10.1 | $3.2M | +18.1% | #23 of 2,358 |
| 2Ada County, ID | 85 | 141 | 7.0 | $4.1M | +9.6% | #70 of 2,358 |
| 3Gem County, ID | 82 | 10 | 13.1 | $2.5M | +13.0% | #120 of 2,358 |
| 4Jefferson County, ID | 81 | 16 | 15.7 | $2.4M | +13.6% | #143 of 2,358 |
| 5Owyhee County, ID | 80 | 6 | 13.8 | $2.4M | +5.6% | #157 of 2,358 |
| 6Madison County, ID | 77 | 17 | 12.8 | $2.5M | +4.2% | #224 of 2,358 |
| 7Kootenai County, ID | 75 | 92 | 12.9 | $2.3M | +11.0% | #270 of 2,358 |
| 8Latah County, ID | 74 | 17 | 10.4 | $2.7M | +5.6% | #300 of 2,358 |
| 9Elmore County, ID | 72 | 12 | 10.8 | $2.7M | +2.8% | #344 of 2,358 |
| 10Bingham County, ID | 71 | 27 | 16.7 | $2.1M | +6.4% | #391 of 2,358 |
| 23Washington County, ID | 49 | 9 | 21.4 | $1.4M | +9.7% | #1,238 of 2,358 |
Other business types in Washington 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 Washington County, ID?
As of September 2026, map listings count 9 gas stations in Washington County. 7 of them (78%) 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 Washington County, ID spend on gasoline and other fuels?
About $12.7M a year, or $3,026 per household. That is 17% above the U.S. average (an index of 117, where 100 is the U.S. average). Spread across the 9 gas stations on map listings, it comes to $1.4M per station. It is estimated from the incomes of the 4,202 households in Washington County and national spending patterns by income.
How does Washington County, ID compare with the U.S. for gas stations?
Washington County has 21.4 gas stations per 10,000 households, 96% above the U.S. rate of 10.9. Spending per station is $1.4M, 41% below the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Washington County would have about 5, against 9 on map listings. There is one business with payroll in the industry for every 700 households, against one for every 1,184 across the U.S.
How fast is Washington County, ID growing?
Population estimates put Washington County at 11,583 people in 2025, up 9.7% since 2020, faster than the U.S. (+3.1%). It has 4,202 households. Median household income in Washington County is $54,000, 33% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.7%, 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. Washington County scores 49 for gas stations (lower middle), #1,238 of 2,358 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Washington 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 Washington County
Screening a site or an acquisition in Washington 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 Washington 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.