Groundwork

Fitness and classes · County · South Dakota

Gyms in Marshall County, SD

How Marshall County, SD compares with other counties and the U.S. for gyms: competitors, household spending, official counts and growth.

Groundwork market score

Not scored

Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.

Listings
3
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$1.5M
On memberships, classes and admissions · $902 a household
Spending per listing
$496K
62% below the U.S.
Listings per 10k households
18.2
2.4 times the U.S.
Population, 2025
4,426
+2.9% since 2020

See the gyms around any address in Marshall 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 Marshall County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Households in Marshall County spend about $1.5M a year on memberships, classes and admissions, or $902 per household, 8% below the U.S. average. That works out to $496K per gym, 62% below the U.S. figure of $1.3M. The spending figure covers all memberships, classes and admissions, not only gyms.

There are 3 gyms on map listings in Marshall County as of September 2026. Per 10,000 households, that is 18.2, 2.4 times the U.S. rate of 7.6.

Official counts don’t publish a figure for fitness and recreational sports centers in Marshall County, since they leave out counts under 3.

Population estimates put the population change in Marshall County from 2020 to 2025 at +2.9%, in step with the U.S. (+3.1%). Counties under 10,000 people aren’t given a market score, since a few businesses can swing their figures.

How Marshall County compares

The same measures for South Dakota 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.

Gyms in Marshall County, SD compared with South Dakota and the U.S.
MeasureMarshall CountySouth DakotaU.S.
Listings per 10k households18.28.77.6
Spending per listing$496K$1M$1.3M
Households per official establishment (all fitness and recreational sports centers)n/a3,2073,109
Official establishment growth, 2019–2023n/a−5.0%+5.8%
Population growth, 2020–2025+2.9%+5.3%+3.1%
Spending per household on memberships, classes and admissions$902$876$983
Median household income$78,156$75,081$80,734
Groundwork market scoreNot scored44

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
30 chain locations
Listings at the U.S. rate for this spending
1The 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 Marshall 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 Marshall County

Population, 2025 estimate
4,426+2.9% since 2020
Households
1,651
Median age
42.9
Homes lived in by their owners
80%
Vehicles per household
2.5
Land area
838 sq. mi.
People per square mile
5
Median household income
$78,156
Average household income
$103,822
Median home value
$156,500
Jobs located here
1,817
Daytime population
4,437Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marshall 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 Marshall County. Signed out, you see a blurred preview; on an account, each report is one action.

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Gyms across South Dakota

Every South Dakota market ranked →

The highest-scoring counties in South Dakota for gyms, numbered among those based in South Dakota, with Marshall County marked.

Top counties in South Dakota

Counties in South Dakota ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Union County, SD6479.6$1.1M+3.3%#407 of 1,792
2Pennington County, SD59388.2$1.1M+6.6%#584 of 1,792
3Brookings County, SD56107.2$1.1M+9.6%#695 of 1,792
4Yankton County, SD5566.2$1.3M+1.5%#722 of 1,792
5Meade County, SD53108.4$1M+2.7%#817 of 1,792
6Minnehaha County, SD49779.1$1M+7.6%#965 of 1,792
7Lincoln County, SD483612.9$877K+17.5%#1,006 of 1,792
8Butte County, SD46511.6$766K+5.5%#1,080 of 1,792
9Lawrence County, SD451411.6$715K+14.0%#1,117 of 1,792
10Codington County, SD37129.6$807K+4.3%#1,334 of 1,792
Marshall County, SDNot scored318.2$496K+2.9%

Other business types in Marshall County

None has a Groundwork market score here. Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.

Questions

How many gyms are in Marshall County, SD?

As of September 2026, map listings count 3 gyms in Marshall County. The listings count gyms and fitness centers. No official count is published for fitness and recreational sports centers in Marshall County: counts under 3 are left out.

How much do households in Marshall County, SD spend on memberships, classes and admissions?

About $1.5M a year, or $902 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 3 gyms on map listings, it comes to $496K 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 1,651 households in Marshall County and national spending patterns by income.

How does Marshall County, SD compare with the U.S. for gyms?

Marshall County has 18.2 gyms per 10,000 households, 2.4 times the U.S. rate of 7.6. Spending per gym is $496K, 62% below the U.S. figure of $1.3M. At the U.S. ratio of gyms to household spending, Marshall County would have about 1, against 3 on map listings.

How fast is Marshall County, SD growing?

Population estimates put Marshall County at 4,426 people in 2025, up 2.9% since 2020, in step with the U.S. (+3.1%). It has 1,651 households. Median household income in Marshall County is $78,156, 3% below the U.S. median of $80,734.

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. The score leaves out counties under 10,000 people, where a handful of businesses would swing it.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Marshall 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 Marshall County

Screening a site or an acquisition in Marshall 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 Marshall 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.