Groundwork

Fitness and classes · County · New Hampshire

Gyms in Merrimack County, NH

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

Groundwork market score · out of 100

Score 44 out of 100: Lower middle

Ranked #1,140 of 1,792 scored counties
#7 of 10 scored counties in New Hampshire

Listings
70
15 chain locations (21%)
Official establishments
26
All fitness and recreational sports centers · +13.0% since 2019
Household spending a year
$64.6M
On memberships, classes and admissions · $1,061 a household
Spending per listing
$923K
29% below the U.S.
Listings per 10k households
11.5
51% above the U.S.
Population, 2025
158,078
+2.6% since 2020

See the gyms around any address in Merrimack 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 Merrimack 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

Household spending on memberships, classes and admissions in Merrimack County comes to about $64.6M a year: $1,061 per household, 8% above the U.S. average. Spread across 70 gyms, that is $923K per gym, 29% below the U.S. figure of $1.3M. The spending figure covers all memberships, classes and admissions, not only gyms.

Merrimack County has 70 gyms on map listings as of September 2026. 15 of them (21%) are chain locations, against 28% across the U.S. That comes to 11.5 for every 10,000 households, 51% above the U.S. rate of 7.6.

Official counts show 26 businesses with payroll classed as fitness and recreational sports centers in Merrimack County in 2023, up 13.0% from 2019. That is one for every 2,342 households, against one for every 3,109 across the U.S. That count covers all fitness and recreational sports centers (yoga, Pilates and fitness studios included), not only gyms. Since fiscal 2022, 7 SBA-backed loans worth $4.1M have gone to businesses classed as fitness and recreational sports centers in Merrimack County.

Population estimates show Merrimack County grew 2.6% from 2020 to 2025, slower than the U.S. (+3.1%). For gyms, Merrimack County has a Groundwork market score of 44 (lower middle): #1,140 of 1,792 scored counties and #7 of 10 scored counties in New Hampshire.

How Merrimack County compares

The same measures for New Hampshire 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 Merrimack County, NH compared with New Hampshire and the U.S.
MeasureMerrimack CountyNew HampshireU.S.
Listings per 10k households11.59.97.6
Spending per listing$923K$1.1M$1.3M
Households per official establishment (all fitness and recreational sports centers)2,3421,9043,109
Official establishment growth, 2019–2023+13.0%+7.8%+5.8%
Population growth, 2020–2025+2.6%+2.7%+3.1%
Spending per household on memberships, classes and admissions$1,061$1,127$983
Median household income$97,004$99,031$80,734
Groundwork market score4438

Official counts and lending

Businesses

Official establishments, 2019 to 2023
23 → 26All fitness and recreational sports centers · +13.0% over the period
Employees, 2023
384
Annual payroll, 2023
$6.4M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
7015 chain locations
Listings at the U.S. rate for this spending
50The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
7
Amount
$4.1M

SBA-backed loans to businesses classed as fitness and recreational sports centers in Merrimack 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 Merrimack County

Population, 2025 estimate
158,078+2.6% since 2020
Households
60,901
Median age
43.1
Homes lived in by their owners
73%
Vehicles per household
2.0
Land area
933 sq. mi.
People per square mile
167
Median household income
$97,004+28.1% vs. 2015–2019, before inflation
Average household income
$123,673
Median home value
$367,600
Jobs located here
83,058
Daytime population
159,180Residents who don’t work, plus everyone whose job is here

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

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Gyms across New Hampshire

Every New Hampshire market ranked →

The highest-scoring counties in New Hampshire for gyms, numbered among those based in New Hampshire, with Merrimack County marked.

Top counties in New Hampshire

Counties in New Hampshire ranked for gyms by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Sullivan County, NH7684.8$1.9M+2.1%#120 of 1,792
2Cheshire County, NH73175.6$1.6M+2.3%#166 of 1,792
3Strafford County, NH66377.1$1.5M+3.0%#318 of 1,792
4Carroll County, NH61146.4$1.5M+5.0%#485 of 1,792
5Hillsborough County, NH521649.7$1.2M+2.5%#837 of 1,792
6Rockingham County, NH5014911.7$1.1M+3.0%#917 of 1,792
7Merrimack County, NH447011.5$923K+2.6%#1,140 of 1,792
8Belknap County, NH393111.8$864K+2.1%#1,274 of 1,792
9Grafton County, NH364512.1$858K+2.2%#1,355 of 1,792
10Coos County, NH29139.3$715K+0.4%#1,518 of 1,792

Other business types in Merrimack County

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

Questions

How many gyms are in Merrimack County, NH?

Map listings as of September 2026 show 70 gyms in Merrimack County. 15 of them (21%) are chain locations. The listings count gyms and fitness centers. Official counts show 26 businesses with payroll classed as fitness and recreational sports centers in 2023, up 13.0% from 2019. The official count takes in all fitness and recreational sports centers, not only gyms: yoga, Pilates and fitness studios are counted too.

How much do households in Merrimack County, NH spend on memberships, classes and admissions?

About $64.6M a year, or $1,061 per household. That is 8% above the U.S. average (an index of 108, where 100 is the U.S. average). Spread across the 70 gyms on map listings, it comes to $923K 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 60,901 households in Merrimack County and national spending patterns by income.

How does Merrimack County, NH compare with the U.S. for gyms?

Merrimack County has 11.5 gyms per 10,000 households, 51% above the U.S. rate of 7.6. Spending per gym is $923K, 29% below the U.S. figure of $1.3M. At the U.S. ratio of gyms to household spending, Merrimack County would have about 50, against 70 on map listings. There is one business with payroll in the industry for every 2,342 households, against one for every 3,109 across the U.S. The official count rose 13.0% from 2019 to 2023, against +5.8% for the U.S.

How fast is Merrimack County, NH growing?

Population estimates put Merrimack County at 158,078 people in 2025, up 2.6% since 2020, slower than the U.S. (+3.1%). It has 60,901 households. Median household income in Merrimack County is $97,004, 20% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 28.1%, 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. Merrimack County scores 44 for gyms (lower middle), #1,140 of 1,792 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Merrimack 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 Merrimack 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.