Health care · County · Delaware
Medical and dental practices in New Castle County, DE
The medical and dental practices in New Castle County, DE, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 34 out of 100: Lower middle
Ranked #1,949 of 2,394 scored counties
#3 of 3 scored counties in Delaware
- Listings
- 2,204
- 254 chain locations (12%)
- Official establishments
- 801
- +0.1% since 2019
- Household spending a year
- $277.4M
- On medical and dental services · $1,237 a household
- Spending per listing
- $126K
- 17% below the U.S.
- Listings per 10k households
- 98.3
- 16% above the U.S.
- Population, 2025
- 588,026
- +3.0% since 2020
See the medical and dental practices around any address in New Castle 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 New Castle 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
New Castle County scores 34 (lower middle) on the Groundwork market score for medical and dental practices, ranking #1,949 of 2,394 scored counties and #3 of 3 scored counties in Delaware. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 2,204 medical and dental practices in New Castle County. 254 of them (12%) are chain locations, against 11% across the U.S. Per 10,000 households, that is 98.3, 16% above the U.S. rate of 84.5.
Household spending on medical and dental services in New Castle County comes to about $277.4M a year: $1,237 per household, 4% below the U.S. average. That works out to $126K per practice, 17% below the U.S. figure of $152K.
The official count of businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in New Castle County was 801 in 2023, up 0.1% from 2019. That is one for every 280 households, against one for every 270 across the U.S. Since fiscal 2022, 8 SBA-backed loans worth $5.3M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in New Castle County. Population estimates put the population change in New Castle County from 2020 to 2025 at +3.0%, in step with the U.S. (+3.1%).
How New Castle County compares
The same measures for Delaware 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 | New Castle County | Delaware | U.S. |
|---|---|---|---|
| Listings per 10k households | 98.3 | 86.1 | 84.5 |
| Spending per listing | $126K | $139K | $152K |
| Households per official establishment | 280 | 300 | 270 |
| Official establishment growth, 2019–2023 | +0.1% | +3.2% | +1.5% |
| Population growth, 2020–2025 | +3.0% | +6.9% | +3.1% |
| Spending per household on medical and dental services | $1,237 | $1,194 | $1,288 |
| Median household income | $91,166 | $84,954 | $80,734 |
| Groundwork market score | 34 | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 800 → 801+0.1% over the period
- Employees, 2023
- 10,559
- Annual payroll, 2023
- $910.2M
- One-person businesses, 2023
- 382Businesses with no payroll
- Map listings, September 2026
- 2,204254 chain locations
- Listings at the U.S. rate for this spending
- 1,819The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 8
- Amount
- $5.3M
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in New Castle 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 New Castle County
- Population, 2025 estimate
- 588,026+3.0% since 2020
- Households
- 224,173
- Median age
- 40.7
- Homes lived in by their owners
- 69%
- Vehicles per household
- 1.7
- Land area
- 426 sq. mi.
- People per square mile
- 1,356
- Median household income
- $91,166+23.4% vs. 2015–2019, before inflation
- Average household income
- $120,517
- Median home value
- $352,200
- Jobs located here
- 298,174
- Daytime population
- 607,117Residents who don’t work, plus everyone whose job is here
Looking at a specific site in New Castle 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 New Castle 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 Delaware
Every Delaware market ranked →The highest-scoring counties in Delaware for medical and dental practices, numbered among those based in Delaware, with New Castle County marked.
Top counties in Delaware
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Sussex County, DE | 50 | 722 | 67.8 | $172K | +16.1% | #1,193 of 2,394 |
| 2Kent County, DE | 42 | 535 | 74.9 | $146K | +6.8% | #1,602 of 2,394 |
| 3New Castle County, DE | 34 | 2,204 | 98.3 | $126K | +3.0% | #1,949 of 2,394 |
Other business types in New Castle 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 clinics34
- Dentists and orthodontists46
- Primary care and pediatrics39
- Urgent care and walk-in clinics45
- Chiropractors44
- Physical therapy40
- Optometrists and eye care62
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in New Castle County, DE?
New Castle County has 2,204 medical and dental practices on map listings as of September 2026. 254 of them (12%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 801 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 0.1% from 2019. Official counts also show 382 one-person businesses without payroll.
How much do households in New Castle County, DE spend on medical and dental services?
About $277.4M a year, or $1,237 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). Spread across the 2,204 medical and dental practices on map listings, it comes to $126K per practice. It is estimated from the incomes of the 224,173 households in New Castle County and national spending patterns by income.
How does New Castle County, DE compare with the U.S. for medical and dental practices?
New Castle County has 98.3 medical and dental practices per 10,000 households, 16% above the U.S. rate of 84.5. Spending per practice is $126K, 17% below the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, New Castle County would have about 1,819, against 2,204 on map listings. There is one business with payroll in the industry for every 280 households, against one for every 270 across the U.S. The official count rose 0.1% from 2019 to 2023, against +1.5% for the U.S.
How fast is New Castle County, DE growing?
Population estimates put New Castle County at 588,026 people in 2025, up 3.0% since 2020, in step with the U.S. (+3.1%). It has 224,173 households. Median household income in New Castle County is $91,166, 13% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 23.4%, 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. New Castle County scores 34 for medical and dental practices (lower middle), #1,949 of 2,394 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in New Castle 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 New Castle County
Screening a site or an acquisition in New Castle 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 New Castle 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.