Groceries and convenience · County · Idaho
Grocery stores in Washington County, ID
How Washington County, ID compares with other counties and the U.S. for grocery stores: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 3.
- Listings
- 3
- 1 chain location (33%)
- Official establishments
- 4
- Businesses with payroll, 2023
- Household spending a year
- $22.4M
- On groceries · $5,327 a household
- Spending per listing
- $7.5M
- 20% below the U.S.
- Listings per 10k households
- 7.1
- 4% above the U.S.
- Population, 2025
- 11,583
- +9.7% since 2020
See the grocery stores around any address in Washington 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 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
Map listings as of September 2026 show 3 grocery stores in Washington County. That comes to 7.1 for every 10,000 households, 4% above the U.S. rate of 6.8.
At $5,327 per household (16% below the U.S. average), households in Washington County spend about $22.4M a year on groceries. That works out to $7.5M per store, 20% below the U.S. figure of $9.3M. That spending covers all groceries, which grocery stores share with other businesses in the trade.
The official count of businesses with payroll classed as supermarkets and grocery stores in Washington County was 4 in 2023. That is one for every 1,051 households, against one for every 2,053 across the U.S.
Population estimates put the population change in Washington County from 2020 to 2025 at +9.7%, faster than the U.S. (+3.1%). With 3 grocery stores on map listings, Washington County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
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 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.
| Measure | Washington County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.1 | 5.9 | 6.8 |
| Spending per listing | $7.5M | $10.1M | $9.3M |
| Households per official establishment | 1,051 | 2,565 | 2,053 |
| Official establishment growth, 2019–2023 | n/a | +7.8% | 0.0% |
| Population growth, 2020–2025 | +9.7% | +9.8% | +3.1% |
| Spending per household on groceries | $5,327 | $6,000 | $6,319 |
| Median household income | $54,000 | $77,800 | $80,734 |
| Groundwork market score | Not scored | 67 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 3 → 4
- Employees, 2023
- 72
- Annual payroll, 2023
- $1.9M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 31 chain location
- Listings at the U.S. rate for this spending
- 2The 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 supermarkets and grocery stores 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 grocery stores 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 cardGrocery stores across Idaho
Every Idaho market ranked →The highest-scoring counties in Idaho for grocery stores, 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 |
|---|---|---|---|---|---|---|
| 1Ada County, ID | 91 | 77 | 3.8 | $16.8M | +9.6% | #45 of 2,070 |
| 2Bonneville County, ID | 86 | 15 | 3.4 | $17.8M | +8.9% | #91 of 2,070 |
| 3Canyon County, ID | 86 | 32 | 3.7 | $15.9M | +18.1% | #98 of 2,070 |
| 4Kootenai County, ID | 78 | 41 | 5.8 | $10.5M | +11.0% | #236 of 2,070 |
| 5Jerome County, ID | 68 | 5 | 6.0 | $9.7M | +8.6% | #465 of 2,070 |
| 6Bannock County, ID | 65 | 19 | 5.7 | $10.1M | +4.9% | #545 of 2,070 |
| 7Minidoka County, ID | 59 | 5 | 6.2 | $9.2M | +5.7% | #723 of 2,070 |
| 8Bonner County, ID | 58 | 14 | 6.9 | $8.4M | +14.8% | #759 of 2,070 |
| 9Bingham County, ID | 58 | 13 | 8.1 | $7.4M | +6.4% | #763 of 2,070 |
| 10Twin Falls County, ID | 54 | 23 | 6.6 | $8.7M | +7.9% | #887 of 2,070 |
| Washington County, ID | Not scored | 3 | 7.1 | $7.5M | +9.7% |
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
- Grocery and convenience stores30
- Grocery stores
- Convenience stores
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many grocery stores are in Washington County, ID?
There are 3 grocery stores on map listings in Washington County as of September 2026. The listings count grocery stores and supermarkets. Official counts show 4 businesses with payroll classed as supermarkets and grocery stores in 2023.
How much do households in Washington County, ID spend on groceries?
About $22.4M a year, or $5,327 per household. That is 16% below the U.S. average (an index of 84, where 100 is the U.S. average). Spread across the 3 grocery stores on map listings, it comes to $7.5M per store. The spending figure covers all groceries, not only grocery stores. 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 grocery stores?
Washington County has 7.1 grocery stores per 10,000 households, 4% above the U.S. rate of 6.8. Spending per store is $7.5M, 20% below the U.S. figure of $9.3M. At the national ratio of grocery stores to household spending, Washington County would have about 2, against 3 on map listings. There is one business with payroll in the industry for every 1,051 households, against one for every 2,053 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 has no market score for grocery stores: the score needs at least 5 on map listings, and it has 3.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Washington 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 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.