Groceries and convenience · County · Idaho
Grocery stores in Ada County, ID
The grocery stores in Ada County, ID, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 91 out of 100: Very high
Ranked #45 of 2,070 scored counties
#1 of 25 scored counties in Idaho
- Listings
- 77
- 43 chain locations (56%)
- Official establishments
- 56
- +16.7% since 2019
- Household spending a year
- $1.3B
- On groceries · $6,383 a household
- Spending per listing
- $16.8M
- 81% above the U.S.
- Listings per 10k households
- 3.8
- 44% below the U.S.
- Population, 2025
- 546,141
- +9.6% since 2020
See the grocery stores around any address in Ada 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 Ada 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
For grocery stores, Ada County has a Groundwork market score of 91 (very high): #45 of 2,070 scored counties and #1 of 25 scored counties in Idaho. That puts it in the top 10% of counties for grocery stores.
As of September 2026, map listings count 77 grocery stores in Ada County. Chain locations make up 56% of them, against 37% across the U.S. Per 10,000 households, that is 3.8, 44% below the U.S. rate of 6.8.
At $6,383 per household (in line with the U.S. average), households in Ada County spend about $1.3B a year on groceries. That works out to $16.8M per store, 81% above 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 56 businesses with payroll classed as supermarkets and grocery stores in Ada County in 2023, up 16.7% from 2019. That is one for every 3,617 households, against one for every 2,053 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $1.3M has gone to businesses classed as supermarkets and grocery stores in Ada County. Population estimates show Ada County grew 9.6% from 2020 to 2025, faster than the U.S. (+3.1%).
How Ada 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 | Ada County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.8 | 5.9 | 6.8 |
| Spending per listing | $16.8M | $10.1M | $9.3M |
| Households per official establishment | 3,617 | 2,565 | 2,053 |
| Official establishment growth, 2019–2023 | +16.7% | +7.8% | 0.0% |
| Population growth, 2020–2025 | +9.6% | +9.8% | +3.1% |
| Spending per household on groceries | $6,383 | $6,000 | $6,319 |
| Median household income | $91,502 | $77,800 | $80,734 |
| Groundwork market score | 91 | 67 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 48 → 56+16.7% over the period
- Employees, 2023
- 4,125
- Annual payroll, 2023
- $142.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 7743 chain locations
- Listings at the U.S. rate for this spending
- 139The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $1.3M
SBA-backed loans to businesses classed as supermarkets and grocery stores in Ada 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 Ada County
- Population, 2025 estimate
- 546,141+9.6% since 2020
- Households
- 202,543
- Median age
- 39.5
- Homes lived in by their owners
- 71%
- Vehicles per household
- 2.0
- Land area
- 1,052 sq. mi.
- People per square mile
- 493
- Median household income
- $91,502+38.0% vs. 2015–2019, before inflation
- Average household income
- $124,631
- Median home value
- $512,300
- Jobs located here
- 294,737
- Daytime population
- 566,160Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Ada 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 Ada 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 Ada 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 |
Other business types in Ada County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
- Grocery and convenience stores91
- Grocery stores91
- Convenience stores90
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 Ada County, ID?
Ada County has 77 grocery stores on map listings as of September 2026. 43 of them (56%) are chain locations. The listings count grocery stores and supermarkets. Official counts show 56 businesses with payroll classed as supermarkets and grocery stores in 2023, up 16.7% from 2019.
How much do households in Ada County, ID spend on groceries?
About $1.3B a year, or $6,383 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 77 grocery stores on map listings, it comes to $16.8M per store. The spending figure covers all groceries, not only grocery stores. It is estimated from the incomes of the 202,543 households in Ada County and national spending patterns by income.
How does Ada County, ID compare with the U.S. for grocery stores?
Ada County has 3.8 grocery stores per 10,000 households, 44% below the U.S. rate of 6.8. Spending per store is $16.8M, 81% above the U.S. figure of $9.3M. At the national ratio of grocery stores to household spending, Ada County would have about 139, against 77 on map listings. There is one business with payroll in the industry for every 3,617 households, against one for every 2,053 across the U.S. The official count rose 16.7% from 2019 to 2023, against 0.0% for the U.S.
How fast is Ada County, ID growing?
Population estimates put Ada County at 546,141 people in 2025, up 9.6% since 2020, faster than the U.S. (+3.1%). It has 202,543 households. Median household income in Ada County is $91,502, 13% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 38.0%, 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. Ada County scores 91 for grocery stores (very high), #45 of 2,070 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Ada 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 Ada County
Screening a site or an acquisition in Ada 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 Ada 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.