Groundwork

Health care · County · Delaware

Dentists and orthodontists in New Castle County, DE

Competitor counts, household spending and official business counts for dentists and orthodontists in New Castle County, DE, set against other counties and the U.S.

Groundwork market score · out of 100

Score 46 out of 100: Lower middle

Ranked #1,095 of 1,886 scored counties
#3 of 3 scored counties in Delaware

Listings
246
18 chain locations (7%)
Official establishments
213
+11.5% since 2019
Household spending a year
$277.4M
On medical and dental services · $1,237 a household
Spending per listing
$1.1M
15% above the U.S.
Listings per 10k households
11.0
16% below the U.S.
Population, 2025
588,026
+3.0% since 2020

See the dentists and orthodontists around any address in New Castle County

The site report maps the dentists and orthodontists 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.

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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

At $1,237 per household (4% below the U.S. average), households in New Castle County spend about $277.4M a year on medical and dental services. Spread across 246 dentists and orthodontists, that is $1.1M per practice, 15% above the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.

New Castle County has 246 dentists and orthodontists on map listings as of September 2026. Of those, 18 are chain locations, or 7%, against 12% across the U.S. That comes to 11.0 for every 10,000 households, 16% below the U.S. rate of 13.1.

The official count of businesses with payroll classed as offices of dentists in New Castle County was 213 in 2023, up 11.5% from 2019. That is one for every 1,052 households, against one for every 952 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $5.2M have gone to businesses classed as offices of dentists 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%). For dentists and orthodontists, New Castle County has a Groundwork market score of 46 (lower middle): #1,095 of 1,886 scored counties and #3 of 3 scored counties in Delaware.

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 dentists and orthodontists counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Dentists and orthodontists in New Castle County, DE compared with Delaware and the U.S.
MeasureNew Castle CountyDelawareU.S.
Listings per 10k households11.08.913.1
Spending per listing$1.1M$1.3M$984K
Households per official establishment1,0521,367952
Official establishment growth, 2019–2023+11.5%+10.9%−0.5%
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 score4679

Official counts and lending

Businesses

Official establishments, 2019 to 2023
191 → 213+11.5% over the period
Employees, 2023
2,065
Annual payroll, 2023
$151.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
24618 chain locations
Listings at the U.S. rate for this spending
282The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
5
Amount
$5.2M

SBA-backed loans to businesses classed as offices of dentists 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 dentists and orthodontists 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 card

Dentists and orthodontists across Delaware

Every Delaware market ranked →

The highest-scoring counties in Delaware for dentists and orthodontists, numbered among those based in Delaware, with New Castle County marked.

Top counties in Delaware

Counties in Delaware ranked for dentists and orthodontists by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Sussex County, DE84605.6$2.1M+16.1%#31 of 1,886
2Kent County, DE66507.0$1.6M+6.8%#382 of 1,886
3New Castle County, DE4624611.0$1.1M+3.0%#1,095 of 1,886

Other business types in New Castle County

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

Questions

How many dentists and orthodontists are in New Castle County, DE?

Map listings as of September 2026 show 246 dentists and orthodontists in New Castle County. 18 of them (7%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 213 businesses with payroll classed as offices of dentists in 2023, up 11.5% from 2019.

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 246 dentists and orthodontists on map listings, it comes to $1.1M per practice. That spending covers all medical and dental services, which dentists and orthodontists share with other businesses in the trade. 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 dentists and orthodontists?

New Castle County has 11.0 dentists and orthodontists per 10,000 households, 16% below the U.S. rate of 13.1. Spending per practice is $1.1M, 15% above the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, New Castle County would have about 282, against 246 on map listings. There is one business with payroll in the industry for every 1,052 households, against one for every 952 across the U.S. The official count rose 11.5% from 2019 to 2023, against −0.5% 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 46 for dentists and orthodontists (lower middle), #1,095 of 1,886 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 dentists and orthodontists 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 dentists and orthodontists · 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.