Groceries and convenience · County · Idaho
Grocery stores in Cassia County, ID
How Cassia County, ID compares with other counties and the U.S. for grocery stores: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 39 out of 100: Lower middle
Ranked #1,411 of 2,070 scored counties
#16 of 25 scored counties in Idaho
- Listings
- 11
- 5 chain locations (45%)
- Official establishments
- 4
- Businesses with payroll, 2023
- Household spending a year
- $48.9M
- On groceries · $5,752 a household
- Spending per listing
- $4.4M
- 52% below the U.S.
- Listings per 10k households
- 12.9
- 90% above the U.S.
- Population, 2025
- 26,397
- +6.6% since 2020
See the grocery stores around any address in Cassia 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 Cassia 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 groceries in Cassia County comes to about $48.9M a year: $5,752 per household, 9% below the U.S. average. That is about $4.4M of household spending for each store on map listings, 52% below the U.S. figure of $9.3M. The spending figure covers all groceries, not only grocery stores.
There are 11 grocery stores on map listings in Cassia County as of September 2026. 5 of them (45%) are chain locations, against 37% across the U.S. Per 10,000 households, that is 12.9, 90% above the U.S. rate of 6.8.
The official count of businesses with payroll classed as supermarkets and grocery stores in Cassia County was 4 in 2023. That is one for every 2,124 households, against one for every 2,053 across the U.S.
Between 2020 and 2025, the population of Cassia County grew 6.6%, faster than the U.S. (+3.1%). For grocery stores, Cassia County has a Groundwork market score of 39 (lower middle): #1,411 of 2,070 scored counties and #16 of 25 scored counties in Idaho.
How Cassia 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 | Cassia County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 12.9 | 5.9 | 6.8 |
| Spending per listing | $4.4M | $10.1M | $9.3M |
| Households per official establishment | 2,124 | 2,565 | 2,053 |
| Official establishment growth, 2019–2023 | n/a | +7.8% | 0.0% |
| Population growth, 2020–2025 | +6.6% | +9.8% | +3.1% |
| Spending per household on groceries | $5,752 | $6,000 | $6,319 |
| Median household income | $70,830 | $77,800 | $80,734 |
| Groundwork market score | 39 | 67 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 4
- Employees, 2023
- 245
- Annual payroll, 2023
- $7.5M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 115 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 supermarkets and grocery stores in Cassia 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 Cassia County
- Population, 2025 estimate
- 26,397+6.6% since 2020
- Households
- 8,495
- Median age
- 34.2
- Homes lived in by their owners
- 69%
- Vehicles per household
- 2.4
- Land area
- 2,566 sq. mi.
- People per square mile
- 10
- Median household income
- $70,830+33.8% vs. 2015–2019, before inflation
- Average household income
- $92,485
- Median home value
- $284,600
- Jobs located here
- 12,719
- Daytime population
- 26,894Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Cassia 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 Cassia 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 Cassia 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 |
| 16Cassia County, ID | 39 | 11 | 12.9 | $4.4M | +6.6% | #1,411 of 2,070 |
Other business types in Cassia County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
- Grocery and convenience stores38
- Grocery stores39
- Convenience stores44
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 Cassia County, ID?
As of September 2026, map listings count 11 grocery stores in Cassia County. 5 of them (45%) are chain locations. 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 Cassia County, ID spend on groceries?
About $48.9M a year, or $5,752 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 11 grocery stores on map listings, it comes to $4.4M per store. That spending covers all groceries, which grocery stores share with other businesses in the trade. It is estimated from the incomes of the 8,495 households in Cassia County and national spending patterns by income.
How does Cassia County, ID compare with the U.S. for grocery stores?
Cassia County has 12.9 grocery stores per 10,000 households, 90% above the U.S. rate of 6.8. Spending per store is $4.4M, 52% below the U.S. figure of $9.3M. At the U.S. ratio of grocery stores to household spending, Cassia County would have about 5, against 11 on map listings. There is one business with payroll in the industry for every 2,124 households, against one for every 2,053 across the U.S.
How fast is Cassia County, ID growing?
Population estimates put Cassia County at 26,397 people in 2025, up 6.6% since 2020, faster than the U.S. (+3.1%). It has 8,495 households. The median household income in Cassia County is $70,830 a year, 12% below the U.S. median of $80,734. That rose 33.8% from the 2015–2019 survey, 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. Cassia County scores 39 for grocery stores (lower middle), #1,411 of 2,070 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Cassia 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 Cassia County
Screening a site or an acquisition in Cassia 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 Cassia 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.