Groundwork

Fitness and classes · Small-town market · South Dakota

Gyms in the Spearfish, SD area

Competitor counts, household spending and official business counts for gyms in the Spearfish, SD area, set against other small-town markets and the U.S.

Groundwork market score · out of 100

Score 46 out of 100: Lower middle

Ranked #303 of 506 scored small-town markets
#4 of 7 scored small-town markets based in South Dakota

Listings
14
2 chain locations (14%)
Official establishments
4
All fitness and recreational sports centers
Household spending a year
$10M
On memberships, classes and admissions · $830 a household
Spending per listing
$715K
45% below the U.S.
Listings per 10k households
11.6
53% above the U.S.
Population, 2025
29,459
+14.0% since 2020

See the gyms around any address in the Spearfish area

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 the Spearfish area. 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

Map listings as of September 2026 show 14 gyms in the Spearfish area. Chain locations make up 14% of them, against 28% across the U.S. That is 11.6 per 10,000 households, 53% above the U.S. rate of 7.6.

Household spending on memberships, classes and admissions in the Spearfish area comes to about $10M a year: $830 per household, 16% below the U.S. average. That is about $715K of household spending for each gym on map listings, 45% below the U.S. figure of $1.3M. That spending covers all memberships, classes and admissions, which gyms share with other businesses in the trade.

Official counts show 4 businesses with payroll classed as fitness and recreational sports centers in the Spearfish area in 2023. That is one for every 3,014 households, against one for every 3,109 across the U.S. The official count takes in all fitness and recreational sports centers, not only gyms: yoga, Pilates and fitness studios are counted too. Since fiscal 2022, 2 SBA-backed loans worth $128K have gone to businesses classed as fitness and recreational sports centers in the Spearfish area.

Between 2020 and 2025, the population of the Spearfish area grew 14.0%, faster than the U.S. (+3.1%). The Spearfish area scores 46 (lower middle) on the Groundwork market score for gyms, ranking #303 of 506 scored small-town markets and #4 of 7 scored small-town markets based in South Dakota.

How the Spearfish area 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 Spearfish, SD area compared with South Dakota and the U.S.
MeasureSpearfish areaSouth DakotaU.S.
Listings per 10k households11.68.77.6
Spending per listing$715K$1M$1.3M
Households per official establishment (all fitness and recreational sports centers)3,0143,2073,109
Official establishment growth, 2019–2023n/a−5.0%+5.8%
Population growth, 2020–2025+14.0%+5.3%+3.1%
Spending per household on memberships, classes and admissions$830$876$983
Median household income$73,384$75,081$80,734
Groundwork market score4644

Official counts and lending

Businesses

Official establishments, 2019 to 2023
4All fitness and recreational sports centers
Employees, 2023
12
Annual payroll, 2023
$303K
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
142 chain locations
Listings at the U.S. rate for this spending
8The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$128K

SBA-backed loans to businesses classed as fitness and recreational sports centers in the Spearfish area, 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 the Spearfish area

Population, 2025 estimate
29,459+14.0% since 2020
Households
12,054
Median age
44.5
Homes lived in by their owners
65%
Vehicles per household
2.1
Land area
800 sq. mi.
People per square mile
34
Median household income
$73,384+39.4% vs. 2015–2019, before inflation
Average household income
$94,174
Median home value
$346,500
Jobs located here
13,155
Daytime population
27,824Residents who don’t work, plus everyone whose job is here

Looking at a specific site in the Spearfish area?

These figures cover the whole small-town market. 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 the Spearfish area. 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 small-town markets in South Dakota for gyms, numbered among those based in South Dakota, with the Spearfish area marked.

Top small-town markets in South Dakota

Small-town markets in South Dakota ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yankton, SD6166.2$1.3M+1.5%#133 of 506
2Brookings, SD60107.2$1.1M+9.6%#149 of 506
3Mitchell, SD4798.2$953K+0.6%#287 of 506
4Spearfish, SD461411.6$715K+14.0%#303 of 506
5Watertown, SD41129.6$807K+4.3%#353 of 506
6Aberdeen, SD302212.3$690K−1.5%#439 of 506
7Pierre, SD291214.0$646K−0.5%#448 of 506

Other business types in the Spearfish area

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many gyms are in the Spearfish, SD area?

There are 14 gyms on map listings in the Spearfish area as of September 2026. 2 of them (14%) are chain locations. The listings count gyms and fitness centers. Official counts show 4 businesses with payroll classed as fitness and recreational sports centers in 2023. That count covers all fitness and recreational sports centers (yoga, Pilates and fitness studios included), not only gyms.

How much do households in the Spearfish, SD area spend on memberships, classes and admissions?

About $10M a year, or $830 per household. That is 16% below the U.S. average (an index of 84, where 100 is the U.S. average). Spread across the 14 gyms on map listings, it comes to $715K per gym. The spending figure covers all memberships, classes and admissions, not only gyms. It is estimated from the incomes of the 12,054 households in the Spearfish area and national spending patterns by income.

How does the Spearfish, SD area compare with the U.S. for gyms?

The Spearfish area has 11.6 gyms per 10,000 households, 53% above the U.S. rate of 7.6. Spending per gym is $715K, 45% below the U.S. figure of $1.3M. At the national ratio of gyms to household spending, the Spearfish area would have about 8, against 14 on map listings. There is one business with payroll in the industry for every 3,014 households, against one for every 3,109 across the U.S.

How fast is the Spearfish, SD area growing?

Population estimates put the Spearfish area at 29,459 people in 2025, up 14.0% since 2020, faster than the U.S. (+3.1%). It has 12,054 households. The median household income in the Spearfish area is $73,384 a year, 9% below the U.S. median of $80,734. That rose 39.4% 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. A small-town market is a town of 10,000 to 50,000 people and the county or counties tied to it by commuting. 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 Spearfish area scores 46 for gyms (lower middle), #303 of 506 scored small-town markets.

How can I see the market around a specific site?

Run a Groundwork site report on an address in the Spearfish area. 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 the Spearfish area

Screening a site or an acquisition in the Spearfish area?

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 the Spearfish area. 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.