Groundwork

Health care · County · Pennsylvania

Physical therapy clinics in Northumberland County, PA

The physical therapy clinics in Northumberland County, PA, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 24 out of 100: Low

Ranked #1,285 of 1,422 scored counties
#46 of 60 scored counties in Pennsylvania

Listings
21
9 chain locations (43%)
Official establishments
18
Businesses with payroll, 2023
Household spending a year
$39.5M
On medical and dental services · $1,043 a household
Spending per listing
$1.9M
22% below the U.S.
Listings per 10k households
5.5
2% above the U.S.
Population, 2025
89,920
−1.8% since 2020

See the physical therapy clinics around any address in Northumberland County

The site report maps the physical therapy clinics 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 Northumberland County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

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

What this means

For physical therapy clinics, Northumberland County has a Groundwork market score of 24 (low): #1,285 of 1,422 scored counties and #46 of 60 scored counties in Pennsylvania. That puts it in the bottom quarter of counties.

At $1,043 per household (19% below the U.S. average), households in Northumberland County spend about $39.5M a year on medical and dental services. Spread across 21 physical therapy clinics, that is $1.9M per clinic, 22% below the U.S. figure of $2.4M. The spending figure covers all medical and dental services, not only physical therapy clinics.

Northumberland County has 21 physical therapy clinics on map listings as of September 2026. 9 of them (43%) are chain locations, against 23% across the U.S. That is 5.5 per 10,000 households, 2% above the U.S. rate of 5.4.

The official count of businesses with payroll classed as physical, occupational and speech therapists in Northumberland County was 18 in 2023. That is one for every 2,105 households, against one for every 2,482 across the U.S. Population estimates put the population change in Northumberland County from 2020 to 2025 at −1.8%, against +3.1% for the U.S.

How Northumberland County compares

The same measures for Pennsylvania and the whole U.S. Spending per listing divides a year of household spending on all medical and dental services by the physical therapy clinics counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Physical therapy in Northumberland County, PA compared with Pennsylvania and the U.S.
MeasureNorthumberland CountyPennsylvaniaU.S.
Listings per 10k households5.56.35.4
Spending per listing$1.9M$1.9M$2.4M
Households per official establishment2,1052,5302,482
Official establishment growth, 2019–2023n/a+3.4%+23.1%
Population growth, 2020–2025−1.8%+0.5%+3.1%
Spending per household on medical and dental services$1,043$1,201$1,288
Median household income$60,583$77,971$80,734
Groundwork market score2431

Official counts and lending

Businesses

Official establishments, 2019 to 2023
17 → 18
Employees, 2023
106
Annual payroll, 2023
$4.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
219 chain locations
Listings at the U.S. rate for this spending
17The 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 physical, occupational and speech therapists in Northumberland 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 Northumberland County

Population, 2025 estimate
89,920−1.8% since 2020
Households
37,886
Median age
44.9
Homes lived in by their owners
75%
Vehicles per household
1.8
Land area
458 sq. mi.
People per square mile
198
Median household income
$60,583+24.5% vs. 2015–2019, before inflation
Average household income
$78,529
Median home value
$162,400
Jobs located here
27,386
Daytime population
78,297Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Northumberland 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 physical therapy clinics on map listings by name and distance.

Or open the report at the center of Northumberland County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Physical therapy across Pennsylvania

Every Pennsylvania market ranked →

The highest-scoring counties in Pennsylvania for physical therapy clinics, numbered among those based in Pennsylvania, with Northumberland County marked.

Top counties in Pennsylvania

Counties in Pennsylvania ranked for physical therapy clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Adams County, PA77143.4$3.5M+3.6%#105 of 1,422
2Lebanon County, PA69193.4$3.5M+2.2%#238 of 1,422
3Mifflin County, PA6552.7$3.8M0.0%#320 of 1,422
4Franklin County, PA63264.1$2.8M+3.0%#370 of 1,422
5Northampton County, PA61766.2$2M+3.7%#423 of 1,422
6Pike County, PA6093.7$3.2M+7.2%#434 of 1,422
7York County, PA58874.8$2.5M+3.6%#506 of 1,422
8Susquehanna County, PA5663.9$2.9M−0.3%#547 of 1,422
9Philadelphia County, PA552523.7$2.9M−1.6%#577 of 1,422
10Tioga County, PA5463.6$3M−1.3%#603 of 1,422
46Northumberland County, PA24215.5$1.9M−1.8%#1,285 of 1,422

Other business types in Northumberland County

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

Questions

How many physical therapy clinics are in Northumberland County, PA?

Map listings as of September 2026 show 21 physical therapy clinics in Northumberland County. 9 of them (43%) are chain locations. The listings count physical therapy and rehabilitation clinics. Official counts show 18 businesses with payroll classed as physical, occupational and speech therapists in 2023.

How much do households in Northumberland County, PA spend on medical and dental services?

About $39.5M a year, or $1,043 per household. That is 19% below the U.S. average (an index of 81, where 100 is the U.S. average). Spread across the 21 physical therapy clinics on map listings, it comes to $1.9M per clinic. That spending covers all medical and dental services, which physical therapy clinics share with other businesses in the trade. It is estimated from the incomes of the 37,886 households in Northumberland County and national spending patterns by income.

How does Northumberland County, PA compare with the U.S. for physical therapy clinics?

Northumberland County has 5.5 physical therapy clinics per 10,000 households, 2% above the U.S. rate of 5.4. Spending per clinic is $1.9M, 22% below the U.S. figure of $2.4M. At the U.S. ratio of physical therapy clinics to household spending, Northumberland County would have about 17, against 21 on map listings. There is one business with payroll in the industry for every 2,105 households, against one for every 2,482 across the U.S.

How fast is Northumberland County, PA growing?

Population estimates put Northumberland County at 89,920 people in 2025, down 1.8% since 2020, against +3.1% for the U.S. It has 37,886 households. Median household income in Northumberland County is $60,583, 25% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.5%, 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. Northumberland County scores 24 for physical therapy clinics (low), #1,285 of 1,422 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Northumberland County. It maps the physical therapy clinics 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 physical therapy clinics · All 56 business types in Northumberland County

Screening a site or an acquisition in Northumberland 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 Northumberland 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.