Health care · County · Idaho
Optometrists and eye clinics in Cassia County, ID
How Cassia County, ID compares with other counties and the U.S. for optometrists and eye clinics: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 40 out of 100: Lower middle
Ranked #921 of 1,302 scored counties
#7 of 12 scored counties in Idaho
- Listings
- 5
- 0 chain locations (0%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $10M
- On medical and dental services · $1,182 a household
- Spending per listing
- $2M
- 36% below the U.S.
- Listings per 10k households
- 5.9
- 44% above the U.S.
- Population, 2025
- 26,397
- +6.6% since 2020
See the optometrists and eye clinics around any address in Cassia County
The site report maps the optometrists and eye clinics 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
As of September 2026, map listings count 5 optometrists and eye clinics in Cassia County. None of them are chain locations, against 20% across the U.S. That comes to 5.9 for every 10,000 households, 44% above the U.S. rate of 4.1.
At $1,182 per household (8% below the U.S. average), households in Cassia County spend about $10M a year on medical and dental services. Spread across 5 optometrists and eye clinics, that is $2M per practice, 36% below the U.S. figure of $3.1M. That spending covers all medical and dental services, which optometrists and eye clinics share with other businesses in the trade.
There is no official count of businesses with payroll classed as offices of optometrists in Cassia County: counts under 3 aren’t published.
Between 2020 and 2025, the population of Cassia County grew 6.6%, faster than the U.S. (+3.1%). Cassia County scores 40 (lower middle) on the Groundwork market score for optometrists and eye clinics, ranking #921 of 1,302 scored counties and #7 of 12 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 medical and dental services by the optometrists and eye clinics 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 | 5.9 | 4.2 | 4.1 |
| Spending per listing | $2M | $3M | $3.1M |
| Households per official establishment | n/a | 3,918 | 5,742 |
| Official establishment growth, 2019–2023 | n/a | 0.0% | +0.2% |
| Population growth, 2020–2025 | +6.6% | +9.8% | +3.1% |
| Spending per household on medical and dental services | $1,182 | $1,264 | $1,288 |
| Median household income | $70,830 | $77,800 | $80,734 |
| Groundwork market score | 40 | 42 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 50 chain locations
- Listings at the U.S. rate for this spending
- 3The 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 offices of optometrists 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 optometrists and eye clinics 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 cardOptometrists and eye care across Idaho
Every Idaho market ranked →The highest-scoring counties in Idaho for optometrists and eye clinics, 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 |
|---|---|---|---|---|---|---|
| 1Canyon County, ID | 74 | 25 | 2.9 | $4.2M | +18.1% | #136 of 1,302 |
| 2Kootenai County, ID | 71 | 23 | 3.2 | $3.9M | +11.0% | #186 of 1,302 |
| 3Bonner County, ID | 63 | 6 | 3.0 | $4.1M | +14.8% | #341 of 1,302 |
| 4Ada County, ID | 59 | 90 | 4.4 | $3.1M | +9.6% | #446 of 1,302 |
| 5Bingham County, ID | 56 | 5 | 3.1 | $4M | +6.4% | #509 of 1,302 |
| 6Latah County, ID | 46 | 8 | 4.9 | $2.4M | +5.6% | #782 of 1,302 |
| 7Cassia County, ID | 40 | 5 | 5.9 | $2M | +6.6% | #921 of 1,302 |
| 8Bannock County, ID | 36 | 17 | 5.1 | $2.3M | +4.9% | #989 of 1,302 |
| 9Bonneville County, ID | 33 | 34 | 7.7 | $1.7M | +8.9% | #1,047 of 1,302 |
| 10Twin Falls County, ID | 31 | 23 | 6.6 | $1.8M | +7.9% | #1,079 of 1,302 |
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
Auto
Beauty and personal care
Fitness and classes
Health care
- Doctors, dentists and clinics30
- Dentists and orthodontists27
- Primary care and pediatrics56
- Urgent care and walk-in clinics
- Chiropractors28
- Physical therapy33
- Optometrists and eye care40
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many optometrists and eye clinics are in Cassia County, ID?
Cassia County has 5 optometrists and eye clinics on map listings as of September 2026. None of them are chain locations. The listings count optometrists and eye clinics. No official count is published for offices of optometrists in Cassia County: counts under 3 are left out.
How much do households in Cassia County, ID spend on medical and dental services?
About $10M a year, or $1,182 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 5 optometrists and eye clinics on map listings, it comes to $2M per practice. The spending figure covers all medical and dental services, not only optometrists and eye clinics. 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 optometrists and eye clinics?
Cassia County has 5.9 optometrists and eye clinics per 10,000 households, 44% above the U.S. rate of 4.1. Spending per practice is $2M, 36% below the U.S. figure of $3.1M. At the national ratio of optometrists and eye clinics to household spending, Cassia County would have about 3, against 5 on map listings.
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 40 for optometrists and eye clinics (lower middle), #921 of 1,302 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 optometrists and eye clinics 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 optometrists and eye clinics · 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.