Health care · County · New Hampshire
Medical and dental practices in Merrimack County, NH
The medical and dental practices in Merrimack County, NH, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 52 out of 100: Upper middle
Ranked #1,102 of 2,394 scored counties
#6 of 10 scored counties in New Hampshire
- Listings
- 420
- 38 chain locations (9%)
- Official establishments
- 162
- −7.9% since 2019
- Household spending a year
- $79M
- On medical and dental services · $1,298 a household
- Spending per listing
- $188K
- 23% above the U.S.
- Listings per 10k households
- 69.0
- 18% below the U.S.
- Population, 2025
- 158,078
- +2.6% since 2020
See the medical and dental practices around any address in Merrimack County
The site report maps the medical and dental practices 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.
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 420 medical and dental practices in Merrimack County. Of those, 38 are chain locations, or 9%, against 11% across the U.S. That comes to 69.0 for every 10,000 households, 18% below the U.S. rate of 84.5.
Household spending on medical and dental services in Merrimack County comes to about $79M a year: $1,298 per household, in line with the U.S. average. Spread across 420 medical and dental practices, that is $188K per practice, 23% above the U.S. figure of $152K.
Official counts show 162 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Merrimack County in 2023, down 7.9% from 2019. That is one for every 376 households, against one for every 270 across the U.S. Another 102 one-person businesses have no payroll, by official counts. Since fiscal 2022, 3 SBA-backed loans worth $265K have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Merrimack County.
Between 2020 and 2025, the population of Merrimack County grew 2.6%, slower than the U.S. (+3.1%). For medical and dental practices, Merrimack County has a Groundwork market score of 52 (upper middle): #1,102 of 2,394 scored counties and #6 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 medical and dental services by the medical and dental practices 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 | Merrimack County | New Hampshire | U.S. |
|---|---|---|---|
| Listings per 10k households | 69.0 | 76.5 | 84.5 |
| Spending per listing | $188K | $174K | $152K |
| Households per official establishment | 376 | 307 | 270 |
| Official establishment growth, 2019–2023 | −7.9% | −0.2% | +1.5% |
| Population growth, 2020–2025 | +2.6% | +2.7% | +3.1% |
| Spending per household on medical and dental services | $1,298 | $1,333 | $1,288 |
| Median household income | $97,004 | $99,031 | $80,734 |
| Groundwork market score | 52 | 61 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 176 → 162−7.9% over the period
- Employees, 2023
- 2,401
- Annual payroll, 2023
- $231M
- One-person businesses, 2023
- 102Businesses with no payroll
- Map listings, September 2026
- 42038 chain locations
- Listings at the U.S. rate for this spending
- 518The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 3
- Amount
- $265K
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care 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.
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 medical and dental practices 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.
Free10 actions over 3 days, no cardDoctors, dentists and clinics across New Hampshire
Every New Hampshire market ranked →The highest-scoring counties in New Hampshire for medical and dental practices, numbered among those based in New Hampshire, with Merrimack County marked.
Top counties in New Hampshire
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Sullivan County, NH | 65 | 67 | 40.3 | $296K | +2.1% | #533 of 2,394 |
| 2Coos County, NH | 61 | 43 | 30.7 | $336K | +0.4% | #693 of 2,394 |
| 3Cheshire County, NH | 59 | 150 | 49.0 | $246K | +2.3% | #787 of 2,394 |
| 4Belknap County, NH | 54 | 149 | 56.6 | $224K | +2.1% | #1,007 of 2,394 |
| 5Carroll County, NH | 54 | 149 | 68.2 | $182K | +5.0% | #1,022 of 2,394 |
| 6Merrimack County, NH | 52 | 420 | 69.0 | $188K | +2.6% | #1,102 of 2,394 |
| 7Hillsborough County, NH | 46 | 1,337 | 79.2 | $173K | +2.5% | #1,375 of 2,394 |
| 8Strafford County, NH | 45 | 401 | 77.0 | $166K | +3.0% | #1,428 of 2,394 |
| 9Rockingham County, NH | 44 | 1,163 | 91.2 | $160K | +3.0% | #1,490 of 2,394 |
| 10Grafton County, NH | 38 | 375 | 101.1 | $126K | +2.2% | #1,785 of 2,394 |
Other business types in Merrimack 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 clinics52
- Dentists and orthodontists43
- Primary care and pediatrics77
- Urgent care and walk-in clinics
- Chiropractors59
- Physical therapy41
- Optometrists and eye care75
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in Merrimack County, NH?
Merrimack County has 420 medical and dental practices on map listings as of September 2026. 38 of them (9%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 162 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 7.9% from 2019. Official counts list 102 one-person businesses without payroll.
How much do households in Merrimack County, NH spend on medical and dental services?
About $79M a year, or $1,298 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 420 medical and dental practices on map listings, it comes to $188K per practice. 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 medical and dental practices?
Merrimack County has 69.0 medical and dental practices per 10,000 households, 18% below the U.S. rate of 84.5. Spending per practice is $188K, 23% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Merrimack County would have about 518, against 420 on map listings. There is one business with payroll in the industry for every 376 households, against one for every 270 across the U.S. The official count fell 7.9% from 2019 to 2023, against +1.5% 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 52 for medical and dental practices (upper middle), #1,102 of 2,394 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 medical and dental practices 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 medical and dental practices · 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.