Fitness and classes · County · Iowa
Gyms in Grundy County, IA
How Grundy County, IA compares with other counties and the U.S. for gyms: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 38 out of 100: Lower middle
Ranked #1,308 of 1,792 scored counties
#27 of 48 scored counties in Iowa
- Listings
- 6
- 0 chain locations (0%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $4.8M
- On memberships, classes and admissions · $943 a household
- Spending per listing
- $804K
- 38% below the U.S.
- Listings per 10k households
- 11.7
- 54% above the U.S.
- Population, 2025
- 12,361
- +0.2% since 2020
See the gyms around any address in Grundy County
The site report maps the gyms 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 Grundy 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
Households in Grundy County spend about $4.8M a year on memberships, classes and admissions, or $943 per household, 4% below the U.S. average. Spread across 6 gyms, that is $804K per gym, 38% below the U.S. figure of $1.3M. The spending figure covers all memberships, classes and admissions, not only gyms.
Grundy County has 6 gyms on map listings as of September 2026. None of them are chain locations, against 28% across the U.S. That is 11.7 per 10,000 households, 54% above the U.S. rate of 7.6.
Official counts don’t publish a figure for fitness and recreational sports centers in Grundy County, since they leave out counts under 3.
Population estimates put the population change in Grundy County from 2020 to 2025 at +0.2%, slower than the U.S. (+3.1%). Grundy County scores 38 (lower middle) on the Groundwork market score for gyms, ranking #1,308 of 1,792 scored counties and #27 of 48 scored counties in Iowa.
How Grundy County compares
The same measures for Iowa and the whole U.S. Spending per listing divides a year of household spending on all memberships, classes and admissions by the gyms 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 | Grundy County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 11.7 | 8.5 | 7.6 |
| Spending per listing | $804K | $1M | $1.3M |
| Households per official establishment (all fitness and recreational sports centers) | n/a | 3,306 | 3,109 |
| Official establishment growth, 2019–2023 | n/a | +3.7% | +5.8% |
| Population growth, 2020–2025 | +0.2% | +1.5% | +3.1% |
| Spending per household on memberships, classes and admissions | $943 | $890 | $983 |
| Median household income | $87,205 | $75,059 | $80,734 |
| Groundwork market score | 38 | 39 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/aAll fitness and recreational sports centers
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 60 chain locations
- Listings at the U.S. rate for this spending
- 4The 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 fitness and recreational sports centers in Grundy 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. These official figures cover all fitness and recreational sports centers, not only gyms.
Population and households in Grundy County
- Population, 2025 estimate
- 12,361+0.2% since 2020
- Households
- 5,117
- Median age
- 42.6
- Homes lived in by their owners
- 84%
- Vehicles per household
- 2.2
- Land area
- 502 sq. mi.
- People per square mile
- 25
- Median household income
- $87,205+28.2% vs. 2015–2019, before inflation
- Average household income
- $101,039
- Median home value
- $198,800
- Jobs located here
- 4,124
- Daytime population
- 10,903Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Grundy 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 gyms on map listings by name and distance.
Or open the report at the center of Grundy County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardGyms across Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for gyms, numbered among those based in Iowa, with Grundy County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Warren County, IA | 78 | 15 | 7.3 | $1.4M | +9.0% | #93 of 1,792 |
| 2Dallas County, IA | 70 | 34 | 8.0 | $1.6M | +17.8% | #230 of 1,792 |
| 3Pottawattamie County, IA | 69 | 15 | 4.0 | $2.1M | −0.7% | #238 of 1,792 |
| 4Marshall County, IA | 65 | 5 | 3.2 | $2.4M | −0.5% | #341 of 1,792 |
| 5Madison County, IA | 63 | 6 | 9.0 | $1.1M | +3.8% | #439 of 1,792 |
| 6Jasper County, IA | 61 | 10 | 6.7 | $1.2M | +0.9% | #500 of 1,792 |
| 7Plymouth County, IA | 57 | 7 | 6.8 | $1.3M | 0.0% | #646 of 1,792 |
| 8Washington County, IA | 57 | 6 | 6.7 | $1.3M | +0.6% | #652 of 1,792 |
| 9Cedar County, IA | 56 | 5 | 6.6 | $1.3M | −0.7% | #685 of 1,792 |
| 10Jackson County, IA | 55 | 5 | 6.1 | $1.3M | −0.8% | #719 of 1,792 |
| 27Grundy County, IA | 38 | 6 | 11.7 | $804K | +0.2% | #1,308 of 1,792 |
Other business types in Grundy 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 gyms are in Grundy County, IA?
Map listings as of September 2026 show 6 gyms in Grundy County. None of them are chain locations. The listings count gyms and fitness centers. No official count is published for fitness and recreational sports centers in Grundy County: counts under 3 are left out.
How much do households in Grundy County, IA spend on memberships, classes and admissions?
About $4.8M a year, or $943 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). Spread across the 6 gyms on map listings, it comes to $804K per gym. That spending covers all memberships, classes and admissions, which gyms share with other businesses in the trade. It is estimated from the incomes of the 5,117 households in Grundy County and national spending patterns by income.
How does Grundy County, IA compare with the U.S. for gyms?
Grundy County has 11.7 gyms per 10,000 households, 54% above the U.S. rate of 7.6. Spending per gym is $804K, 38% below the U.S. figure of $1.3M. At the U.S. ratio of gyms to household spending, Grundy County would have about 4, against 6 on map listings.
How fast is Grundy County, IA growing?
Population estimates put Grundy County at 12,361 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 5,117 households. Median household income in Grundy County is $87,205, 8% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 28.2%, 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. Grundy County scores 38 for gyms (lower middle), #1,308 of 1,792 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Grundy County. It maps the gyms 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 gyms · All 56 business types in Grundy County
Screening a site or an acquisition in Grundy 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 Grundy 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.