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Westchester County, NY — Physical therapy Saturation

How many physical therapy exist per person present — residents plus daytime workers — by ZIP code, compared with the U.S. average. Establishment data: Census ZBP 2023. Population: ACS 2024 5-year. 79 ZIP codes analyzed.

Includes: Physical therapy clinics · Occupational therapy offices · Speech therapy offices · Audiology offices. Counted together because official statistics use one 621340 code.

Measured density: Range spans bands — 1.40× the U.S. rate (between 1.40× and 1.87× once withheld ZIP cells are counted)

Why a range: Census does not publish a ZIP-by-industry count when that ZIP has 0–2 businesses. 41 ZIP cells in this county are withheld, 36 of them with residents. Each could hold 0, 1, or 2 businesses: counting them all as 0 gives the low end, counting them all as 2 gives the high end — the data cannot say where the truth sits. The density range uses only the populated cells, since ZIPs without residents are excluded from per-person rates. How ranges work

Range spans the U.S. rate   Westchester County physical therapy — 140–187% of the U.S. rate

215 physical therapy are counted in Westchester County — 1.8 per 10,000 people present (residents + daytime workers), 140% of the U.S. rate of 1.3.

On the comparable ZIP set (ZIPs with a published count in every year), the total has risen 37% between 2015 and 2023 (116 → 159). That set is smaller than today's county total. 2020–2021 were pandemic-distorted, and Census rounds counts, so small moves are within noise.

Measured supply density is highest in 10504 (Armonk), 10502 (Ardsley), 10589 (Somers) — well above the national rate. On measured density alone, the lowest-density residential ZIPs with a published count are 10701 (Yonkers), 10703 (Yonkers), 10552 (Mount Vernon).

Census County Business Patterns (2023) puts the county-wide count at 243 establishments, including locations in ZIP codes that do not map to a ZCTA — so it can run slightly above the sum of the ZIP rows on this page. It is annual, so it lags more than QCEW.

Measured density: Westchester County sits at 140% of the U.S. rate for physical therapy. 36 ZIPs with population have no published count (each 0–2 businesses), so the true per-capita rate is between 140% and 187% of the U.S. rate. Why. The highest measured density is in 10504 and 10502; the lowest measured density is in 10701 and 10703.

This is a supply-side read: it counts existing physical therapy and the people present, not foot traffic, income, rent, or whether locals want more. Treat low density as a question to check, not an answer.

Physical therapy
215–297
published count; upper bound counts each withheld ZIP cell as 2 (41 cells) (2023)
Per 10,000 present
1.8
residents + daytime workers
U.S. average
1.3
per 10,000 present
County index
1.40×
vs. U.S.
Latest year (CBP)
243
2023 — $89M annual payroll
Residents
997,782
74 ZIPs with data
Workers
391,628
jobs located in county

Is the area growing?

Population
1,006,447
Census PEP, July 1 2024
Change since 2020
+0.5%
+4,958 people
Net migration 2024
+6,269
international +10,427, domestic −4,158
Jobs located here
389,868
LODES 2022, −5.8% since 2019

Westchester County had an estimated 1,006,447 residents on July 1, 2024 — 0.5% more than in 2020 (+4,958). In the latest year it gained 9,521 people: births minus deaths +3,202, international migration +10,427, domestic migration −4,158. Components are published separately and may not sum exactly.

389,868 jobs were located in the county in 2022 (−5.8% since 2019), and 426,608 employed residents lived there (−1.5% since 2019). LODES counts wage and salary jobs covered by unemployment insurance plus federal jobs; it excludes the self-employed and military, and counts jobs rather than unique people. 2019→2022 spans the pandemic, so read it as one change, not a trend.

Population and migration say whether the customer base is growing. They do not say whether people want another business of this type. Definitions and limits →  ·  Full county detail →

ZIP gaining residents
2015–19 → 2020–24
Change
10701 Yonkers
+14.7%
10538 Larchmont
+8.9%
10706 Hastings On Hudson
+8.1%
ZIP losing residents
2015–19 → 2020–24
Change

No ZIP had a statistically significant decrease.

ACS 5-year estimates for 2015–2019 and 2020–2024. Only ZIPs with at least 2,000 residents in both windows and a change larger than the survey margin of error (90%) are listed — small ZIPs move a lot on paper without a real signal.

Nonemployer businesses (no paid employees)

Nonemployer businesses
1,100
no paid employees (2024)
Receipts
$96.3M
published gross receipts
Receipts per business
$88K
gross, not profit

Census Nonemployer Statistics counts businesses with no paid employees — a separate universe from the employer establishments counted above; a business is in one or the other, never both. They are not storefronts by definition: many are home-based, mobile, or part-time.

We show them beside the density index, not inside it. In categories such as nail and beauty salons, child care, and pet care, one-person businesses can outnumber employer establishments, so the employer-only count understates how many businesses exist. That is not evidence of higher demand.

Receipts are gross revenue reported for these businesses — not profit, and not the size of the local market. Census publishes this only at county level, so it is not shown on the ZIP map. See methodology.

Saturation map

Each ZIP area is shaded by its density of this business type per person present (residents + workers) vs. the U.S. average. Click any ZIP to zoom to its boundary, see its numbers, and switch to aerial imagery. Individual mapped shops appear as dots at street level — Show locations zooms you in to them (scroll or double-click to zoom).

Basemap:
Under 50% 50–100% 100–150% 150–250% 250%+ 0–2 (not published) / no data ZIP total (dot size) Mapped shop (OpenStreetMap, street level)

Map data © OpenStreetMap contributors, tiles by OpenFreeMap.

White dots are ZIP totals from the official Census count — the bigger the dot, the more physical therapy in that ZIP. They are aggregated, not individual shops. Turquoise dots are individual locations mapped in OpenStreetMap, shown only at street level; they are crowd-sourced and indicative, may be incomplete, and do not equal the official counts. Only the official ZIP totals feed the saturation index.

Market trend — up 37% since 2015

Number of physical therapy in Westchester County across 2015–2023, on a consistent set of ZIP codes present in every year — so changes are real, not ZIP-boundary artifacts. 2015/2018 are pre-pandemic baselines; 2020/2021 are COVID-distorted.

116
2015
128
2018
138
2020
134
2021
151
2022
159
2023

Highest measured density

ZIP
vs. U.S. average
Index
10504 Armonk
570%
10502 Ardsley
556%
10589 Somers
443%
10605 White Plains
361%
10583 Scarsdale
344%
10506 Bedford
336%
10510 Briarcliff Manor
332%
10543 Mamaroneck
320%
10549 Mount Kisco
296%
10707 Tuckahoe
288%
10607 White Plains
288%
10803 Pelham
245%
10532 Hawthorne
237%
10708 Bronxville
237%
10604 West Harrison
217%

Lowest measured density

ZIP
vs. U.S. average
Index
10701 Yonkers
87%
10703 Yonkers
94%
10552 Mount Vernon
99%
10591 Tarrytown
112%
10704 Yonkers
123%
10801 New Rochelle
124%
10804 New Rochelle
135%
10567 Cortlandt Manor
137%
10570 Pleasantville
145%
10530 Hartsdale
147%
10538 Larchmont
157%
10573 Port Chester
165%
10710 Yonkers
170%
10595 Valhalla
178%
10598 Yorktown Heights
186%
Low measured density is not evidence of opportunity. A ZIP with few physical therapy may simply lack foot traffic, retail space, or demand. We rank only residential and mixed ZIPs here; employment hubs and visitor destinations are listed separately below. ZIPs where Census did not publish a count (0–2 businesses) are not ranked: they may be the least served of all, but the data cannot tell 0 from 1 or 2. Verify those locally.

Employment hubs & destinations

These ZIPs have far more workers (or visitors) than residents, so their counts are driven by daytime and visitor demand — not a place to read "shortage" from resident numbers alone.

ZIPNeighborhoodType ResidentsWorkersPhysical therapyIndex
10535Jefferson Valley Employment hub 392907 3 2759%
10601White Plains Employment hub 11,93031,532 7 197%
10577Purchase Employment hub 5,94513,705 3 182%
10519Croton Falls Employment hub 99241 0–2 —
10540Lincolndale Employment hub 108418 0–2 —
10545Maryknoll Employment hub 185461 0–2 —

Scroll the table sideways to see all columns.

All ZIP codes

Click a column header to sort. Index = physical therapy per 10,000 people present (residents + 0.5×workers) ÷ the U.S. average. 100% = exactly average.

ZIPNeighborhood ResidentsWorkersPhysical therapy Per 10kIndexStatus
10535Jefferson Valley 392907 3 35.5 2759% Very high density
10546Millwood 1,392839 3 16.6 1288% Very high density
10504Armonk 7,66511,979 10 7.3 570% Very high density
10502Ardsley 6,1971,599 5 7.1 556% Very high density
10589Somers 7,6042,355 5 5.7 443% Very high density
10605White Plains 19,4938,356 11 4.6 361% Very high density
10583Scarsdale 40,20710,027 20 4.4 344% Very high density
10506Bedford 6,2441,404 3 4.3 336% Very high density
10510Briarcliff Manor 10,2262,973 5 4.3 332% Very high density
10543Mamaroneck 20,9896,602 10 4.1 320% Very high density
10549Mount Kisco 16,13514,985 9 3.8 296% Very high density
10707Tuckahoe 9,6882,233 4 3.7 288% Very high density
10607White Plains 6,4663,292 3 3.7 288% Very high density
10803Pelham 13,0725,571 5 3.2 245% High density
10532Hawthorne 5,3479,011 3 3.0 237% High density
10708Bronxville 22,4827,642 8 3.0 237% High density
10604West Harrison 12,51710,831 5 2.8 217% High density
10522Dobbs Ferry 11,5026,597 4 2.7 210% High density
10709Eastchester 10,3522,195 3 2.6 204% High density
10601White Plains 11,93031,532 7 2.5 197% High density
10536Katonah 10,6693,077 3 2.5 191% High density
10528Harrison 14,0914,876 4 2.4 188% High density
10598Yorktown Heights 28,8219,391 8 2.4 186% High density
10577Purchase 5,94513,705 3 2.3 182% High density
10595Valhalla 7,24311,727 3 2.3 178% High density
10710Yonkers 25,85512,232 7 2.2 170% High density
10573Port Chester 40,78612,944 10 2.1 165% High density
10538Larchmont 17,7604,138 4 2.0 157% High density
10530Hartsdale 13,8923,918 3 1.9 147% Above average
10570Pleasantville 13,2895,548 3 1.9 145% Above average
10567Cortlandt Manor 19,9765,490 4 1.8 137% Above average
10804New Rochelle 16,1082,245 3 1.7 135% Above average
10801New Rochelle 42,75415,053 8 1.6 124% Above average
10704Yonkers 31,92111,758 6 1.6 123% Above average
10591Tarrytown 23,92621,632 5 1.4 112% Above average
10552Mount Vernon 22,3412,307 3 1.3 99% Below average
10703Yonkers 22,5864,400 3 1.2 94% Below average
10701Yonkers 70,67618,791 9 1.1 87% Below average
10501Amawalk 1,72746 0–2 — — Not published
10503Ardsley On Hudson 13290 0–2 — — Not published
10505Baldwin Place 1,119532 0–2 — — Not published
10507Bedford Hills 6,1092,234 0–2 — — Not published
10511Buchanan 2,397727 0–2 — — Not published
10514Chappaqua 11,7903,374 0–2 — — Not published
10517Crompond 58436 0–2 — — Not published
10518Cross River 992305 0–2 — — Not published
10519Croton Falls 99241 0–2 — — Not published
10520Croton On Hudson 12,3683,020 0–2 — — Not published
10523Elmsford 9,45011,034 0–2 — — Not published
10526Goldens Bridge 2,128261 0–2 — — Not published
10527Granite Springs 418116 0–2 — — Not published
10533Irvington 7,3621,701 0–2 — — Not published
10540Lincolndale 108418 0–2 — — Not published
10545Maryknoll 185461 0–2 — — Not published
10547Mohegan Lake 7,2052,807 0–2 — — Not published
10548Montrose 4,2541,845 0–2 — — Not published
10550Mount Vernon 38,97213,661 0–2 — — Not published
10553Mount Vernon 11,0111,795 0–2 — — Not published
10560North Salem 4,9181,041 0–2 — — Not published
10562Ossining 33,7934,811 0–2 — — Not published
10566Peekskill 25,6255,527 0–2 — — Not published
10576Pound Ridge 4,891840 0–2 — — Not published
10578Purdys 1,780466 0–2 — — Not published
10580Rye 18,3917,222 0–2 — — Not published
10587Shenorock —10 0–2 — — Not published
10588Shrub Oak 2,783396 0–2 — — Not published
10590South Salem 6,989713 0–2 — — Not published
10594Thornwood 5,1101,497 0–2 — — Not published
10596Verplanck 65090 0–2 — — Not published
10597Waccabuc 67979 0–2 — — Not published
10602White Plains —482 0–2 — — Not published
10603White Plains 18,9105,785 0–2 — — Not published
10606White Plains 17,3415,128 0–2 — — Not published
10610White Plains —34 0–2 — — Not published
10702Yonkers —534 0–2 — — Not published
10705Yonkers 38,8874,627 0–2 — — Not published
10706Hastings On Hudson 9,1831,504 0–2 — — Not published
10802New Rochelle —46 0–2 — — Not published
10805New Rochelle 20,9033,036 0–2 — — Not published

Scroll the table sideways to see all columns.

Find an actual space in White Plains

The numbers above tell you how the market looks. To find a specific storefront, these marketplaces list available retail space for lease.

LoopNet
Largest commercial marketplace
Browse White Plains retail space →
Crexi
Free listings + market data
Browse White Plains retail space →
CityFeet
Retail space for lease
Browse White Plains retail space →

Open vacancy data (actual empty units) is only published by some cities; where it exists we show it directly. Listings above are third-party.

Census withholds some ZIP-by-industry cells to protect small businesses. 0–2 means the cell was not published (Census publishes industry counts only at 3+ per ZIP), so the ZIP is left unranked rather than counted as zero. ~ means the count is estimated from the broader industry group and can be off by a business or two.

Follow Westchester County and physical therapy

When a data vintage changes or a section of this report is revised, we post it to a public update feed. No email address, no account, no tracking — and nothing is sent unless something actually changed.

Subscribe to updates (RSS) How these numbers are built →

Methodology & sources

Establishments. U.S. Census ZIP Code Business Patterns (ZBP 2023), NAICS 621340 — offices of physical, occupational and speech therapists, and audiologists. Counts establishments with paid employees. ZBP is published annually with a ~2-year lag.

Fresh county signal. This industry has no clean QCEW series, so the freshest county signal is Census County Business Patterns 2023: 243 establishments and $89M in annual payroll county-wide. This count includes locations in ZIP codes that do not map to a ZCTA, so it can be slightly higher than the sum of the ZIP rows. CBP is annual and slower than QCEW. It cannot be broken down by ZIP.

Population. U.S. Census American Community Survey 2024 5-year ZCTA population (table B01003). Workers are the ZIP's total employment from the same 2023 ZBP file.

Demand ("people present"). Demand comes from residents and daytime workers: residents + 0.5 × workers. This is the single documented assumption in the model and can be tuned.

Index. index = (ZIP establishments ÷ ZIP demand × 10,000) ÷ the U.S. average for this industry (1.29 per 10,000 present). It is a supply-side density measure; it does not capture income, rent, tourism, or whether locals actually want more.

Read the full methodology →  ·  Data sources & vintages →

BizGapMap — free, no-login small-business saturation reports for major U.S. counties. Built entirely from public U.S. Census, BLS, and IRS data (ZBP 2023, ACS 2024 5-year, PEP 2024, LODES, QCEW, IRS SOI). No forecasts, no revenue guesses — withheld cells are marked, and the few derived counts are labelled as estimates.